December 12, 2014
High-resolution geological mapping based on images from NASA's Mars Reconnaissance Orbiter suggests lakes and "marsquakes" were part of the vast Valles Marineris canyon system.
November 21, 2014
Jim Watzin has been named the new director for NASA's Mars Exploration Program at NASA Headquarters in Washington.
November 7, 2014
Two NASA and one European spacecraft that obtained the first up-close observations of a comet flyby of Mars on Oct. 19, have gathered new information about the basic properties of the comet's nucleus and directly detected the effects on the Martian atmosphere.
November 5, 2014
A NASA media telecon on Friday, Nov. 7, will provide initial science observations of comet C/2013 A1 Siding Spring's close flyby of Mars and the impact on the Martian atmosphere.
October 24, 2014
The imaging spectrometer on NASA's Mars Reconnaissance Orbiter has provided an image of the coma surrounding a comet that flew near Mars this week.
October 20, 2014
A camera on NASA's Mars Reconnaissance Orbiter has taken the highest-resolution image ever made of an Oort Cloud comet, taking advantage of the comet's Mars flyby.
October 19, 2014
All three NASA orbiters around Mars confirmed their healthy status Sunday after each took shelter behind Mars during a period of risk from dust released by a passing comet.
October 19, 2014
NASA's Mars Reconnaissance Orbiter, which has sent home more data about Mars than all other missions combined, is also now providing data about a comet that buzzed The Red Planet today (Oct. 19).
October 9, 2014
NASA's extensive fleet of science assets, particularly those orbiting and roving Mars, have front row seats to image and study a once-in-a-lifetime comet flyby on Sunday, Oct. 19.
October 6, 2014
NASA will host a briefing at 11 a.m. PDT (2 p.m. EDT) Thursday, Oct. 9, to outline the space and Earth-based assets that will have extraordinary opportunities to image and study a comet from relatively close range to Mars on Sunday, Oct. 19.
August 13, 2014
A new photo from NASA's Mars Reconnaissance Orbiter shows an oblong boulder about 20 feet (6 meters) tall standing upright on Mars after tumbling downhill, leaving a trail.
July 25, 2014
NASA is taking steps to protect its Mars orbiters, while preserving opportunities to gather valuable scientific data, as Comet C/2013 A1 Siding Spring heads toward a close flyby of Mars on Oct. 19.
July 15, 2014
NASA marks the 45th anniversary of the first moon landing this month while it takes the steps needed for America's next giant leap to send astronauts to Mars.
July 10, 2014
Repeated high-resolution observations made by NASA's Mars Reconnaissance Orbiter (MRO) indicate the gullies on Mars' surface are primarily formed by the seasonal freezing of carbon dioxide, not liquid water.
July 8, 2014
A recent image from a telescopic camera orbiting Mars caught NASA's Curiosity Mars rover reaching the edge of its landing ellipse.
May 22, 2014
Researchers have discovered on the Red Planet the largest fresh meteor-impact crater ever firmly documented with before-and-after images. The images were captured by NASA's Mars Reconnaissance Orbiter.
April 16, 2014
Scientists using NASA's Curiosity Mars rover are eyeing a rock layer surrounding the base of a small butte, called "Mount Remarkable," as a target for investigating with tools on the rover's robotic arm.
April 11, 2014
In support of the President's initiative to graduate one million STEM students over the next decade, NASA is the anchor exhibit in the Aerospace Pavilion on the second floor of the Washington Convention Center, April 25-27. NASA's 60' x 60' booth will feature thirty different hands-on demonstrations designed to engage families and students in fun science and engineering activities.
March 19, 2014
Before-and-after observations by NASA's Mars Reconnaissance Orbiter document the formation of a new gully channel, which likely resulted from action of dry-ice frost.
March 11, 2014
Engineers have restored NASA's Mars Reconnaissance Orbiter to full operations, following a March 9 unplanned swap of duplicate computers aboard the spacecraft.
February 19, 2014
A new image from a telescopic camera orbiting Mars shows NASA's Mars Exploration Rover Opportunity at work on "Murray Ridge," without any new impact craters nearby.
February 10, 2014
NASA spacecraft orbiting Mars have returned clues for understanding seasonal features that are the strongest indication of possible liquid water that may exist today on the Red Planet.
February 5, 2014
Space rocks hitting Mars excavate fresh craters at a pace of more than 200 per year, but few new Mars scars pack as much visual punch as one seen in a NASA image released today.
January 28, 2014
A close flyby of Mars in 2014 by comet Siding Spring could deliver opportunities for learning, but also possible hazards for orbiting spacecraft. NASA is preparing for both.
January 9, 2014
An observation made last month by NASA's Mars Reconnaissance Orbiter shows the Curiosity rover and its tracks on the Martian surface.