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Press Release
read the article 'NASA Selects Investigations for the Mars Science Laboratory'
December 14, 2004
Source: Jet Propulsion Laboratory

NASA has selected eight proposals to provide instrumentation and associated science investigations for the mobile Mars Science Laboratory rover, scheduled for launch in 2009. Proposals selected today were submitted to NASA in response to an announcement of opportunity released in April.
read the article 'NASA Selects Investigations for the Mars Science Laboratory' Read More
Press Release
read the article 'Mars Rovers Spot Water-Clue Mineral, Frost, Clouds'
December 13, 2004
Source: Jet Propulsion Laboratory

Scientists have identified a water-signature mineral called goethite in bedrock that the NASA's Mars rover Spirit examined in the "Columbia Hills," one of the mission's surest indicators yet for a wet history on Spirit's side of Mars.
read the article 'Mars Rovers Spot Water-Clue Mineral, Frost, Clouds' Read More
Press Release
read the article 'Reports Detail Rover Discoveries of Wet Martian History'
December 2, 2004
Source: Jet Propulsion Laboratory

The most dramatic findings so far from NASA's twin Mars rovers -- telltale evidence for a wet and possibly habitable environment in the arid planet's past -- passed rigorous scientific scrutiny for publication in a major research journal.
read the article 'Reports Detail Rover Discoveries of Wet Martian History' Read More
Press Release
read the article 'Mars Exploration Rover Mission Status'
November 11, 2004
Source: Jet Propulsion Laboratory

Operators of NASA's Mars Exploration Rover Opportunity have determined that a proposed route eastward out of "Endurance Crater" is not passable, so the rover will backtrack to leave the crater by a southward route, perhaps by retracing its entry path.
read the article 'Mars Exploration Rover Mission Status' Read More
Press Release
read the article 'Spirit Adds Clues About History of Rocks in Martian Hills'
November 4, 2004
Source: Jet Propulsion Laboratory

All the scientific tools on NASA's two Mars Exploration Rovers are still working well, a full 10 months after Spirit's dramatic landing.
read the article 'Spirit Adds Clues About History of Rocks in Martian Hills' Read More
Press Release
read the article 'NASA's Mars Rovers Pass the 50,000-Picture Mark'
October 29, 2004
Source: Jet Propulsion Laboratory

A view of the sundial-like calibration target on NASA's Mars Exploration Rover Spirit, with a bit of martian terrain in the background, is the 50,000th image from the twin rovers that have been exploring Mars since January.
read the article 'NASA's Mars Rovers Pass the 50,000-Picture Mark' Read More
Press Release
read the article 'Mars Exploration Rover Mission Status'
October 21, 2004
Source: Jet Propulsion Laboratory

A problem that affects the steering on NASA's Mars Exploration Rover Spirit has recurred after disappearing for nearly two weeks.
read the article 'Mars Exploration Rover Mission Status' Read More
Press Release
read the article 'Free Programs Will Preview NASA's Next Mars Mission'
October 13, 2004
Source: Jet Propulsion Laboratory

Two free public programs in Pasadena this week will introduce NASA's next Mars mission, a multipurpose orbiter under assembly for launch next August.
read the article 'Free Programs Will Preview NASA's Next Mars Mission' Read More
Press Release
read the article 'Mars Rovers Probing Water History at Two Sites'
October 7, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit and Opportunity have been exploring Mars about three times as long as originally scheduled. The more they look, the more evidence of past liquid water on Mars these robots discover. Team members reported the new findings at a news briefing today.
read the article 'Mars Rovers Probing Water History at Two Sites' Read More
Press Release
read the article 'Mars Orbiter Sees Rover Tracks Among Thousands of New Images'
September 27, 2004
Source: Jet Propulsion Laboratory

NASA's Mars Global Surveyor, starting its third mission extension this week after seven years of orbiting Mars, is using an innovative technique to capture pictures even sharper than most of the more than 170,000 it has already produced.
read the article 'Mars Orbiter Sees Rover Tracks Among Thousands of New Images' Read More
Press Release
read the article 'Rover Missions Renewed as Mars Emerges from Behind Sun'
September 21, 2004
Source: Jet Propulsion Laboratory

As NASA's Spirit and Opportunity rovers resumed reliable contact with Earth, after a period when Mars passed nearly behind the Sun, the space agency extended funding for an additional six months of rover operations, as long as they keep working.
read the article 'Rover Missions Renewed as Mars Emerges from Behind Sun' Read More
Press Release
read the article 'Mars Exploration Rover Mission Status'
September 1, 2004
Source: Jet Propulsion Laboratory

NASA's Mars Exploration Rover Opportunity has resumed using its rock abrasion tool after a pebble fell out that had jammed the tool's rotors two weeks ago.
read the article 'Mars Exploration Rover Mission Status' Read More
Press Release
read the article 'Mars Odyssey Begins Overtime After Successful Mission'
August 25, 2004
Source: Jet Propulsion Laboratory

NASA's Mars Odyssey orbiter begins working overtime today after completing a prime mission that discovered vast supplies of frozen water, ran a safety check for future astronauts, and mapped surface textures and minerals all over Mars, among other feats.
read the article 'Mars Odyssey Begins Overtime After Successful Mission' Read More
Press Release
read the article 'Bedrock in Mars' Gusev Crater Hints at Watery Past'
August 18, 2004
Source: Jet Propulsion Laboratory

Now that NASA's Mars Exploration Rover Spirit is finally examining bedrock in the "Columbia Hills," it is finding evidence that water thoroughly altered some rocks in Mars' Gusev Crater.
read the article 'Bedrock in Mars' Gusev Crater Hints at Watery Past' Read More
Press Release
read the article 'Mars Software Honored by NASA'
August 12, 2004
Source: Jet Propulsion Laboratory

NASA has selected a data visualization and simulation software package used by Mars rovers and landers, and a software package that can be used in aerospace and industrial flow fluid applications, as the "best of the best" software developed by the agency this year.
read the article 'Mars Software Honored by NASA' Read More
Press Release
read the article 'Relays from Mars Show International Interplanetary Networking'
August 10, 2004
Source: Jet Propulsion Laboratory

One of NASA's Mars rovers has sent pictures relayed by the European Space Agency's Mars Express orbiter for the first time, demonstrating that the orbiter could serve as a communications link if needed.
read the article 'Relays from Mars Show International Interplanetary Networking' Read More
Press Release
read the article 'Mars Reconnaissance Orbiter Mission Status'
August 9, 2004
Source: Jet Propulsion Laboratory

With one very busy year remaining before launch, the team preparing NASA's next mission to Mars has begun integrating and testing the spacecraft's versatile payload.
read the article 'Mars Reconnaissance Orbiter Mission Status' Read More
Press Release
read the article 'Rocks Tell Stories in Reports of Spirit's First 90 Martian Days'
August 5, 2004
Source: Jet Propulsion Laboratory

Scientific findings from the NASA rover Spirit's first three months on Mars will be published Friday, marking the start of a flood of peer-reviewed discoveries in scientific journals from the continuing two-rover adventure.
read the article 'Rocks Tell Stories in Reports of Spirit's First 90 Martian Days' Read More
Press Release
read the article 'Mars Exploration Rover Mission Status'
August 4, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit rover has climbed higher into rocky hills on Mars, and its twin, Opportunity, has descended deeper into a crater, but both rovers, for the time being, are operating with some restrictions while team members diagnose unexpected behavior.
read the article 'Mars Exploration Rover Mission Status' Read More
Press Release
read the article 'NASA's Mars Rovers Roll Into Martian Winter'
July 6, 2004
Source: Jet Propulsion Laboratory

As winter approaches on Mars, NASA's Opportunity rover continues to inch deeper into the stadium-sized crater dubbed "Endurance." On the other side of the planet, the Spirit rover found an intriguing patch of rock outcrop while preparing to climb up the "Columbia Hills" backward. This unusual approach to driving is part of a creative plan to accommodate Spirit's aging front wheel.
read the article 'NASA's Mars Rovers Roll Into Martian Winter' Read More
Press Release
read the article 'Mars Rover Surprises Continue; Spirit, Too, Finds Hematite'
June 25, 2004
Source: Jet Propulsion Laboratory

On challenging slopes that NASA's Mars rovers began exploring this month, both Spirit and Opportunity have found new surprises for the folks back home.
read the article 'Mars Rover Surprises Continue; Spirit, Too, Finds Hematite' Read More
Press Release
read the article 'Whatever happened to ... Virtual Reality?'
June 21, 2004
Source: Jet Propulsion Laboratory

Twenty years after the first wave of hype, VR is making a comeback in NASA laboratories.
read the article 'Whatever happened to ... Virtual Reality?' Read More
Press Release
read the article 'Mars Rovers Going the Extra Mile'
June 16, 2004
Source: Jet Propulsion Laboratory

NASA's Mars rovers are delighting scientists with their extra credit assignments. Both rovers successfully completed their primary three-month missions in April.
read the article 'Mars Rovers Going the Extra Mile' Read More
Press Release
read the article 'Erickson Takes Rover Reins as Cook Joins 2009 Mission'
June 14, 2004
Source: Jet Propulsion Laboratory

At NASA's Jet Propulsion Laboratory in Pasadena, Calif., James K. Erickson becomes project manager for the Mars Exploration Rover Project today as his predecessor, Richard A. Cook, switches to the development of an even more capable Mars rover for launch in 2009.
read the article 'Erickson Takes Rover Reins as Cook Joins 2009 Mission' Read More
Press Release
read the article 'Mars Rovers Continue Unique Exploration of Mars'
June 8, 2004
Source: Jet Propulsion Laboratory

NASA's Mars Opportunity rover began its latest adventure today inside the martian crater informally called Endurance. Opportunity will roll in with all six wheels, then back out to the rim to check traction by looking at its own track marks.
read the article 'Mars Rovers Continue Unique Exploration of Mars' Read More
Press Release
read the article 'Mars Rover Opportunity Gets Green Light To Enter Crater'
June 4, 2004
Source: Jet Propulsion Laboratory

NASA has decided the potential science value gained by sending Opportunity into a martian impact crater likely outweighs the risk of the intrepid explorer not being able to get back out.
read the article 'Mars Rover Opportunity Gets Green Light To Enter Crater' Read More
Press Release
read the article 'Rovers Examining Hills And Crater In Bonus-Time Mission'
June 2, 2004
Source: Jet Propulsion Laboratory

More than a month into bonus time after a successful primary mission on Mars, NASA's Spirit rover has sighted possibly layered rock in hills just ahead, while twin Opportunity has extended its arm to pockmarked stones on a crater rim to gather clues of a watery past.
read the article 'Rovers Examining Hills And Crater In Bonus-Time Mission' Read More
Press Release
read the article 'Mars Rover Inspects Stone Ejected From Crater'
May 17, 2004
Source: Jet Propulsion Laboratory

NASA's Mars Exploration Rover Opportunity has begun sampling rocks blasted out from a stadium-sized impact crater the rover is circling, and the very first one may extend our understanding about the region's wet past.
read the article 'Mars Rover Inspects Stone Ejected From Crater' Read More
Press Release
read the article 'Mars Exploration Rover Mission Status'
May 16, 2004
Source: Jet Propulsion Laboratory

NASA's Mars Exploration Rover Opportunity is beginning on Thursday what controllers expect to be frequent use of an overnight "deep sleep" mode to conserve energy.
read the article 'Mars Exploration Rover Mission Status' Read More
Press Release
read the article 'Mars Rover Arrival at Deeper Crater Provides a Tempting Eyeful'
May 6, 2004
Source: Jet Propulsion Laboratory

Scientists and engineers celebrated when they saw the first pictures NASA's Opportunity sent from the rim of a stadium-sized crater that the rover reached after a six-week trek across martian flatlands.
read the article 'Mars Rover Arrival at Deeper Crater Provides a Tempting Eyeful' Read More
Press Release
read the article 'Mars Rovers Finish Primary Mission and Roll Onward'
April 28, 2004
Source: Jet Propulsion Laboratory

Both of NASA's Mars Exploration Rovers have completed their originally planned mission and are tackling extra-credit assignments.
read the article 'Mars Rovers Finish Primary Mission and Roll Onward' Read More
Press Release
read the article 'Mars Rover Finds Rock Resembling Meteorites That Fell to Earth'
April 15, 2004
Source: Jet Propulsion Laboratory

NASA's Opportunity rover has examined an odd volcanic rock on the plains of Mars' Meridiani Planum region with a composition unlike anything seen on Mars before, but scientists have found similarities to meteorites that fell to Earth.
read the article 'Mars Rover Finds Rock Resembling Meteorites That Fell to Earth' Read More
Press Release
read the article 'NASA Extends Mars Rovers' Mission'
April 4, 2004
Source: Jet Propulsion Laboratory

NASA has approved an extended mission for the Mars Exploration Rovers, handing them up to five months of overtime assignments as they finish their three-month prime mission.
read the article 'NASA Extends Mars Rovers' Mission' Read More
Press Release
read the article 'Spirit Finds Multi-Layer Hints of Past Water at Mars' Gusev Site'
April 1, 2004
Source: Jet Propulsion Laboratory

Clues from a wind-scalloped volcanic rock on Mars investigated by NASA's Spirit rover suggest repeated possible exposures to water inside Gusev Crater, scientists said Thursday.
read the article 'Spirit Finds Multi-Layer Hints of Past Water at Mars' Gusev Site' Read More
Press Release
read the article 'New Phase of Exploration Beginning for Mars Rovers'
March 26, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit will begin trekking toward hills on its eastern horizon in the next few days, entering a new phase of the rover's exploration of Mars just before its prime three-month mission ends and its extended mission begins, rover team members said today.
read the article 'New Phase of Exploration Beginning for Mars Rovers' Read More
Press Release
read the article 'Standing Body of Water Left Its Mark in Mars Rocks'
March 23, 2004
Source: Jet Propulsion Laboratory

NASA's Opportunity rover has demonstrated some rocks on Mars probably formed as deposits at the bottom of a body of gently flowing saltwater.
read the article 'Standing Body of Water Left Its Mark in Mars Rocks' Read More
Press Release
read the article 'Mineral in Mars 'Berries' Adds to Water Story'
March 18, 2004
Source: Jet Propulsion Laboratory

A major ingredient in small mineral spheres analyzed by NASA's Mars Exploration Rover Opportunity furthers understanding of past water at Opportunity's landing site and points to a way of determining whether the vast plains surrounding the site also have a wet history.
read the article 'Mineral in Mars 'Berries' Adds to Water Story' Read More
Press Release
read the article 'Spirit Looks Down Into Crater After Reaching Rim'
March 11, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit has begun looking down into a crater it has been approaching for several weeks, providing a view of what's below the surrounding surface.
read the article 'Spirit Looks Down Into Crater After Reaching Rim' Read More
Press Release
read the article 'Volcanic Rock in Mars' Gusev Crater Hints at Past Water'
March 5, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit has found hints of a water history in a rock at Mars' Gusev Crater, but it is a very different type of rock than those in which NASA's Opportunity found clues to a wet past on the opposite side of the planet.
read the article 'Volcanic Rock in Mars' Gusev Crater Hints at Past Water' Read More
Press Release
read the article 'Opportunity Rover Finds Strong Evidence Meridiani Planum Was Wet'
March 2, 2004
Source: Jet Propulsion Laboratory

Scientists have concluded the part of Mars that NASA's Opportunity rover is exploring was soaking wet in the past.
read the article 'Opportunity Rover Finds Strong Evidence Meridiani Planum Was Wet' Read More
Press Release
read the article 'Mars Sunset Clip from Opportunity Tells Dusty Tale'
February 26, 2004
Source: Jet Propulsion Laboratory

Dust gradually obscures the Sun during a blue-sky martian sunset seen in a sequence of newly processed frames from NASA's Mars Exploration Rover Opportunity.
read the article 'Mars Sunset Clip from Opportunity Tells Dusty Tale' Read More
Press Release
read the article 'Innovative Web Site Brings Mars Exploration to Desktops'
February 20, 2004
Source: Jet Propulsion Laboratory

NASA’s Jet Propulsion Laboratory, Pasadena, Calif., is enhancing the availability of all Mars rover images for students and the public by distributing them via the Internet. The images can be viewed on the NASA Web site at http://marsrovers.jpl.nasa.gov as well as the educational Web site MarsQuest Online at http://www.marsquestonline.org/mer.
read the article 'Innovative Web Site Brings Mars Exploration to Desktops' Read More
Press Release
read the article 'Opportunity Examines Trench As Spirit Prepares To Dig One'
February 19, 2004
Source: Jet Propulsion Laboratory

By inspecting the sides and floor of a hole it dug on Mars, NASA's Opportunity rover is finding some things it did not see beforehand, including round pebbles that are shiny and soil so fine-grained that the rover's microscope can't make out individual particles.
read the article 'Opportunity Examines Trench As Spirit Prepares To Dig One' Read More
Press Release
read the article 'Opportunity Digs; Spirit Advances'
February 17, 2004
Source: Jet Propulsion Laboratory

NASA's Mars Exploration Rover Opportunity has scooped a trench with one of its wheels to reveal what is below the surface of a selected patch of soil.
read the article 'Opportunity Digs; Spirit Advances' Read More
Press Release
read the article 'International Interplanetary Networking Succeeds'
February 13, 2004
Source: Jet Propulsion Laboratory

A pioneering demonstration of communications between NASA's Mars Exploration Rover Spirit and the European Space Agency Mars Express orbiter succeeded.
read the article 'International Interplanetary Networking Succeeds' Read More
Press Release
read the article 'Student Programs Tap Into Mars Rover Adventures'
February 12, 2004
Source: Jet Propulsion Laboratory

NASA's Mars Exploration Rovers are not only providing scientists a flood of information about Mars -- including new insights today about winds -- they are also adding excitement to classrooms throughout the nation.
read the article 'Student Programs Tap Into Mars Rover Adventures' Read More
Press Release
read the article 'Mars Rover Pictures Raise 'Blueberry Muffin' Questions'
February 9, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit rover has begun making some of its own driving decisions while its twin, Opportunity, is presenting scientists with decisions to make about studying small spheres embedded in bedrock, like berries in a muffin.
read the article 'Mars Rover Pictures Raise 'Blueberry Muffin' Questions' Read More
Press Release
read the article 'Healthy Spirit Cleans a Mars Rock; Opportunity Rolls'
February 6, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit has returned to full health and resumed doing things never attempted on Mars before.
read the article 'Healthy Spirit Cleans a Mars Rock; Opportunity Rolls' Read More
Press Release
read the article 'Mars Exploration Rover Mission Status'
February 5, 2004
Source: Jet Propulsion Laboratory

NASA's Opportunity rover drove about 3.5 meters (11 feet) early Thursday toward a rock outcrop in the wall of a small crater on Mars, and mission controllers plan to send it the rest of the way to the outcrop late Thursday.
read the article 'Mars Exploration Rover Mission Status' Read More
Press Release
read the article 'Opportunity Sees Tiny Spheres In Martian Soil'
February 4, 2004
Source: Jet Propulsion Laboratory

NASA's Opportunity has examined its first patch of soil in the small crater where the rover landed on Mars and found strikingly spherical pebbles among the mix of particles there.
read the article 'Opportunity Sees Tiny Spheres In Martian Soil' Read More
Press Release
read the article 'NASA Dedicates Mars Landmarks To Columbia Crew'
February 2, 2004
Source: Jet Propulsion Laboratory

NASA Administrator Sean O'Keefe today announced the martian hills, located east of the Spirit Mars Exploration Rover's landing site, would be dedicated to the Space Shuttle Columbia STS-107 crew.
read the article 'NASA Dedicates Mars Landmarks To Columbia Crew' Read More
Press Release
read the article 'Opportunity And Spirit Reach Out'
February 2, 2004
Source: Jet Propulsion Laboratory

Each of NASA's two Mars Exploration Rovers is using its versatile robotic arm for positioning tools at selected targets on the red planet.
read the article 'Opportunity And Spirit Reach Out' Read More
Press Release
read the article 'Mars Rover Spirit Restored To Health'
February 1, 2004
Source: Jet Propulsion Laboratory

NASA's Mars Exploration Rover Spirit is healthy again, the result of recovery work by mission engineers since the robot developed computer-memory and communications problems 10 days ago.
read the article 'Mars Rover Spirit Restored To Health' Read More
Press Release
read the article 'Opportunity Rolls Onto Martian Ground'
January 31, 2004
Source: Jet Propulsion Laboratory

NASA's Mars Exploration Rover Opportunity drove down a reinforced fabric ramp at the front of its lander platform and onto the soil of Mars' Meridiani Planum this morning.
read the article 'Opportunity Rolls Onto Martian Ground' Read More
Press Release
read the article 'Two Working Rovers on Martian Soil Expected by Saturday Morning'
January 30, 2004
Source: Jet Propulsion Laboratory

Ground controllers plan to tell Opportunity to drive off its lander early Saturday, and with Spirit now back in working order, NASA should soon have two healthy rovers loose on Mars.
read the article 'Two Working Rovers on Martian Soil Expected by Saturday Morning' Read More
Press Release
read the article 'Healthier Spirit Gets Back to Work While Opportunity Prepares to Roll'
January 29, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit rover on Mars has resumed taking pictures as engineers continue work on restoring its health. Meanwhile, Spirit's twin, Opportunity, extended its rear wheels backward to driving position last night as part of preparations to roll off its lander, possibly as early as overnight Saturday-to-Sunday.
read the article 'Healthier Spirit Gets Back to Work While Opportunity Prepares to Roll' Read More
Press Release
read the article 'Opportunity Rover Begins Standing Up'
January 28, 2004
Source: Jet Propulsion Laboratory

NASA's Opportunity rover has untucked its front wheels and latched its suspension system in place, key steps in preparing to drive off its lander and onto martian soil.
read the article 'Opportunity Rover Begins Standing Up' Read More
Press Release
read the article 'Space Shuttle Challenger Crew Memorialized on Mars'
January 28, 2004
Source: Jet Propulsion Laboratory

NASA announced plans to name the landing site of the Mars Opportunity rover in honor of the Space Shuttle Challenger's final crew. The area in the vast flatland called Meridiani Planum, where Opportunity landed this weekend, will be called the Challenger Memorial Station.
read the article 'Space Shuttle Challenger Crew Memorialized on Mars' Read More
Press Release
read the article 'Martian Landmarks Dedicated to Apollo 1 Crew'
January 27, 2004
Source: Jet Propulsion Laboratory

NASA memorialized the Apollo 1 crew -- Gus Grissom, Ed White and Roger Chaffee -- by dedicating the hills surrounding the Mars Exploration Rover Spirit's landing site to the astronauts. The crew of Apollo 1 perished in flash fire during a launch pad test of their Apollo spacecraft at Kennedy Space Center, Fla., 37 years ago today.
read the article 'Martian Landmarks Dedicated to Apollo 1 Crew' Read More
Press Release
read the article 'Scientists Thrilled To See Layers in Mars Rocks Near Opportunity'
January 27, 2004
Source: Jet Propulsion Laboratory

New pictures from NASA's Mars Exploration Rover Opportunity reveal thin layers in rocks just a stone's throw from the lander platform where the rover temporarily sits.
read the article 'Scientists Thrilled To See Layers in Mars Rocks Near Opportunity' Read More
Press Release
read the article 'Gear On Opportunity Rover Passes Martian Health Check'
January 26, 2004
Source: Jet Propulsion Laboratory

During the second day on Mars for NASA's Opportunity rover, key science instruments passed health tests and the rover made important steps in communicating directly with Earth.
read the article 'Gear On Opportunity Rover Passes Martian Health Check' Read More
Press Release
read the article 'Opportunity Sits In A Small Crater, Near A Bigger One'
January 25, 2004
Source: Jet Propulsion Laboratory

A small impact crater on Mars is the new home for NASA's Opportunity rover, and a larger crater lies nearby. Scientists value such crater locations as a way to see what's beneath the surface without needing to dig.
read the article 'Opportunity Sits In A Small Crater, Near A Bigger One' Read More
Press Release
read the article 'First Images Of Opportunity Site Show Bizarre Landscape'
January 25, 2004
Source: Jet Propulsion Laboratory

NASA's Opportunity rover returned the first pictures of its landing site early today, revealing a surreal, dark landscape unlike any ever seen before on Mars.
read the article 'First Images Of Opportunity Site Show Bizarre Landscape' Read More
Press Release
read the article 'NASA Hears From Opportunity Rover On Mars'
January 25, 2004
Source: Jet Propulsion Laboratory

NASA's second Mars Exploration Rover successfully sent signals to Earth during its bouncy landing and after it came to rest on one of the three side petals of its four-sided lander.
read the article 'NASA Hears From Opportunity Rover On Mars' Read More
Press Release
read the article 'Spirit Condition Upgraded As Twin Rover Nears Mars'
January 24, 2004
Source: Jet Propulsion Laboratory

Hours before NASA's Opportunity rover will reach Mars, engineers have found a way to communicate reliably with its twin, Spirit, and to get Spirit's computer out of a cycle of rebooting many times a day.
read the article 'Spirit Condition Upgraded As Twin Rover Nears Mars' Read More
Press Release
read the article 'Mars Exploration Rover Mission Status'
January 23, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit rover did not go to sleep today even after ground controllers sent commands twice for it to do so.
read the article 'Mars Exploration Rover Mission Status' Read More
Press Release
read the article 'Rover Team Readies for Second Landing While Trying to Mend Spirit'
January 23, 2004
Source: Jet Propulsion Laboratory

Some members of the flight team for NASA's Mars Exploration Rovers are preparing for this weekend's landing of the second rover, Opportunity, while others are focused on trying to restore the first rover, Spirit, to working order.
read the article 'Rover Team Readies for Second Landing While Trying to Mend Spirit' Read More
Press Release
read the article 'Mars Exploration Rover Updated Mission Status'
January 23, 2004
Source: Jet Propulsion Laboratory

The flight team for NASA's Spirit received data from the rover in a communication session that began at 13:26 Universal Time (5:26 a.m. PST) and lasted 20 minutes at a data rate of 120 bits per second.
read the article 'Mars Exploration Rover Updated Mission Status' Read More
Press Release
read the article 'Mars Exploration Rover Mission Status'
January 23, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit rover communicated with Earth in a signal detected by NASA's Deep Space Network antenna complex near Madrid, Spain, at 12:34 Universal Time (4:34 a.m. PST) this morning.
read the article 'Mars Exploration Rover Mission Status' Read More
Press Release
read the article 'Mars Exploration Rover Mission Status'
January 22, 2004
Source: Jet Propulsion Laboratory

Flight-team engineers for NASA's Mars Exploration Rover Mission were encouraged this morning when Spirit sent a simple radio signal acknowledging that the rover had received a transmission from Earth.
read the article 'Mars Exploration Rover Mission Status' Read More
Press Release
read the article 'Mars Exploration Rover Mission Status'
January 21, 2004
Source: Jet Propulsion Laboratory

Ground controllers were able to send commands to the Mars Exploration Rover Spirit early Wednesday and received a simple signal acknowledging that the rover heard them, but they did not receive expected scientific and engineering data during scheduled communication passes during the rest of that martian day.
read the article 'Mars Exploration Rover Mission Status' Read More
Press Release
read the article 'NASA Mars Rover’s First Soil Analysis Yields Surprises'
January 20, 2004
Source: Jet Propulsion Laboratory

The first use of the tools on the arm of NASA's Mars Exploration Rover Spirit reveals puzzles about the soil it examined and raises anticipation about what the tool will find during its studies of a martian rock.
read the article 'NASA Mars Rover’s First Soil Analysis Yields Surprises' Read More
Press Release
read the article 'Spirit Drives to a Rock Called ‘Adirondack’ for Close Inspection'
January 19, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit rover has successfully driven to its first target on Mars, a football-sized rock that scientists have dubbed Adirondack.
read the article 'Spirit Drives to a Rock Called ‘Adirondack’ for Close Inspection' Read More
Press Release
read the article 'Joining forces around Mars'
January 16, 2004
Source: Jet Propulsion Laboratory

Today, ESA?s Mars Express orbiter flies almost directly over the NASA Spirit rover at Gusev Crater at an altitude of about 300 kilometres. Mars Express uses four instruments to look down, while Spirit looks up.
read the article 'Joining forces around Mars' Read More
Press Release
read the article 'Mars Rover Opportunity Mission Status'
January 16, 2004
Source: Jet Propulsion Laboratory

With barely a week before reaching Mars, NASA's Opportunity spacecraft adjusted its trajectory, or flight path, today for the first time in four months.
read the article 'Mars Rover Opportunity Mission Status' Read More
Press Release
read the article 'Spirit Flexes Its Arm to Use Microscope on Mars' Soil'
January 16, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit rover reached out with its versatile robotic arm early today and examined a patch of fine-grained martian soil with a microscope at the end of the arm.
read the article 'Spirit Flexes Its Arm to Use Microscope on Mars' Soil' Read More
Press Release
read the article 'Science from orbit'
January 15, 2004
Source: Jet Propulsion Laboratory

Mars Express carries one of the most exciting packages of instruments in the history of Martian exploration. Using the flood of data expected from the spacecraft, scientists will be able to unlock the composition of the surface and the present-day workings of the atmosphere.
read the article 'Science from orbit' Read More
Press Release
read the article 'Spirit Rolls All Six Wheels Onto Martian Soil'
January 15, 2004
Source: Jet Propulsion Laboratory

NASA's Mars Exploration Rover Spirit successfully drove off its lander platform and onto the soil of Mars early today.
read the article 'Spirit Rolls All Six Wheels Onto Martian Soil' Read More
Press Release
read the article 'Spirit Ready to Drive onto Mars Surface'
January 14, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit completed a three-stage turn early today, the last step before a drive planned early Thursday to take the rover off its lander platform and onto martian soil for the first time.
read the article 'Spirit Ready to Drive onto Mars Surface' Read More
Press Release
read the article 'Go To That Crater And Turn Right: Spirit Gets A Travel Itinerary'
January 13, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit has begun pivoting atop its lander platform on Mars, and the robot's human partners have announced plans to send it toward a crater, then toward some hills, during the mission.
read the article 'Go To That Crater And Turn Right: Spirit Gets A Travel Itinerary' Read More
Press Release
read the article 'Spirit's Surroundings Beckon in Color Panorama'
January 12, 2004
Source: Jet Propulsion Laboratory

The first 360-degree color view from NASA's Spirit Mars Exploration Rover presents a range of tempting targets from nearby rocks to hills on the horizon.
read the article 'Spirit's Surroundings Beckon in Color Panorama' Read More
Press Release
read the article 'Spirit Rover Nearly Ready to Roll'
January 11, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit rover now has its arm and all six of its wheels free, and only a single cable must be cut before it can turn and roll off its lander onto the soil of Mars. As that milestone is completed, scientists are taking opportunities to take extra pictures and other data.
read the article 'Spirit Rover Nearly Ready to Roll' Read More
Press Release
read the article 'NASA's Spirit Stages Martian Stand-up Performance'
January 10, 2004
Source: Jet Propulsion Laboratory

NASA's Mars Exploration Rover Spirit has successfully completed its stand-up activities by extending the rear wheels. This puts the rover into a fully opened configuration for the first time since pre-launch testing in Florida last spring.
read the article 'NASA's Spirit Stages Martian Stand-up Performance' Read More
Press Release
read the article 'Spirit Lowers Front Wheels, Looks Around in Infrared'
January 9, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit, the first of two Mars Exploration Rovers on the martian surface, has stood up and extended its front wheels while continuing to delight its human partners with new information about its neighborhood within Mars' Gusev Crater.
read the article 'Spirit Lowers Front Wheels, Looks Around in Infrared' Read More
Press Release
read the article 'High School Students Land on Mars'
January 8, 2004
Source: Jet Propulsion Laboratory

While their peers sweat out their next geometry quiz, high school students Courtney Dressing and Rafael Morozowski are sweating out the commencement of surface activities with the rest of the Mars Exploration Rover team.
read the article 'High School Students Land on Mars' Read More
Press Release
read the article 'Mars Express: No Signal From Beagle 2 So Far'
January 7, 2004
Source: Jet Propulsion Laboratory

ESA's Mars Express orbiter made its first attempt to establish contact with the Beagle 2 lander, after the two spacecraft separated on 19 December 2003.
read the article 'Mars Express: No Signal From Beagle 2 So Far' Read More
Press Release
read the article 'Rover Airbag to Get Another Tug'
January 7, 2004
Source: Jet Propulsion Laboratory

The engineers and scientists for NASA's Spirit are eager to get the rover off its lander and out exploring the terrain that Spirit's pictures are revealing, but caution comes first.
read the article 'Rover Airbag to Get Another Tug' Read More
Press Release
read the article 'Mars Express attempts to ‘talk’ to Beagle 2 – press briefing'
January 6, 2004
Source: Jet Propulsion Laboratory

As of Wednesday 7 January 2004, and for the following three days, ESA?s Mars Express orbiter will be as little as 315 kilometres above the landing area of the still-silent Beagle 2.
read the article 'Mars Express attempts to ‘talk’ to Beagle 2 – press briefing' Read More
Press Release
read the article 'Color Picture from Spirit is Most Detailed View of Mars Ever Seen'
January 6, 2004
Source: Jet Propulsion Laboratory

The people operating NASA's Spirit have received the first color pictures from the rover and a congratulatory call from the president.
read the article 'Color Picture from Spirit is Most Detailed View of Mars Ever Seen' Read More
Press Release
read the article 'Space Shuttle Columbia Crew Memorialized On Mars'
January 6, 2004
Source: Jet Propulsion Laboratory

NASA Administrator Sean O'Keefe today announced plans to name the landing site of the Mars Spirit rover in honor of the astronauts who died in the tragic accident of the Space Shuttle Columbia in February. The area in the vast flatland of the Gusev Crater where Spirit landed this weekend will be called the Columbia Memorial Station.
read the article 'Space Shuttle Columbia Crew Memorialized On Mars' Read More
Press Release
read the article 'Mars Mania Lands Online'
January 6, 2004
Source: Jet Propulsion Laboratory

As the spacecraft flies, Mars is millions of miles away. Thanks to the Internet, NASA can bring it into your living room, to a local Internet cafe, or anywhere else with access to the World Wide Web.
read the article 'Mars Mania Lands Online' Read More
Press Release
read the article 'Mars Team Energized About 'Sleepy Hollow' Near Rover'
January 5, 2004
Source: Jet Propulsion Laboratory

"Sleepy Hollow," a shallow depression in the Mars ground near NASA's Spirit rover, may become an early destination when the rover drives off its lander platform in a week or so.
read the article 'Mars Team Energized About 'Sleepy Hollow' Near Rover' Read More
Press Release
read the article 'Healthy Rover Shows Its New Neighborhood on Mars'
January 4, 2004
Source: Jet Propulsion Laboratory

NASA's Spirit Rover is starting to examine its new surroundings, revealing a vast flatland well suited to the robot's unprecedented mobility and scientific toolkit.
read the article 'Healthy Rover Shows Its New Neighborhood on Mars' Read More
Press Release
read the article 'Spirit Lands On Mars and Sends Postcards'
January 4, 2004
Source: Jet Propulsion Laboratory

A traveling robotic geologist from NASA has landed on Mars and returned stunning images of the area around its landing site in Gusev Crater.
read the article 'Spirit Lands On Mars and Sends Postcards' Read More
Press Release
read the article 'Mars Exploration Rover Mission Status'
January 3, 2004
Source: Jet Propulsion Laboratory

Navigators for NASA's Spirit Mars Exploration Rover put the spacecraft so close to a bull's-eye with earlier maneuvers that mission managers chose to skip the final two optional maneuvers for adjusting course before arrival at Mars.
read the article 'Mars Exploration Rover Mission Status' Read More

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