With its daily supply of solar energy increasing, NASA's durable Mars Exploration Rover Opportunity has driven off the sunward-tilted outcrop, called Greeley Haven, where it worked during its fifth Martian winter.
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NASA's Mars Reconnaissance Orbiter has revealed that movement in sand dune fields on the Red Planet occurs on a surprisingly large scale, about the same as in dune fields on Earth.
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A crater NASA's Mars rover Opportunity drove for years to reach is paying off with evidence about wet environments older than any recorded at sites the rover has seen before.
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What's it like inside Curiosity's cruise vehicle? Well, it's a bit dark but the Mars Hand Lens Imager (MAHLI) camera on the rover arm has a built-in LED light or flashlight, used to light up the dark space inside the cruise vehicle and aeroshell to take this full-color test image.
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A group of journalists take part in a field trip to learn about clues hidden in the rock layers with Curiosity Project Scientist, John Grotzinger.
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At 10:31 p.m. PDT today, April 27, (1:31 p.m. EDT), NASA's Mars Science Laboratory, carrying the one-ton Curiosity rover, will be within 100 days from its appointment with the Martian surface.
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A Martian dust devil roughly 12 miles high (20 kilometers) was captured whirling its way along the Amazonis Planitia region of Northern Mars on March 14.
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A stack of geological chapters in the history book of Mars has attracted NASA's big new rover and takes an informal name from a geologist with early Mars missions.
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NASA's Mars Science Laboratory spacecraft, halfway to Mars, adjusted its flight path today for delivery of the one-ton rover Curiosity to the surface of Mars in August.
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A towering dust devil casts a serpentine shadow over the Martian surface in a new image from the high-resolution camera on NASA's Mars Reconnaissance Orbiter.
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NASA's Mars Odyssey, the longest-working spacecraft ever sent to Mars, has now been sending home images for 10 years.
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With a pair of bug-eyes swiveling on a stalk nearly 8 feet off the ground, the 6-wheeled, 1800-lb Mars rover Curiosity doesn't look much like a human being. Yet, right now, the mini-Cooper-sized rover is playing the role of stunt double for NASA astronauts.
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This self-portait from NASA's Mars Exploration Rover Opportunity shows dust accumulation on the rover's solar panels as the mission approached its fifth Martian winter. The dust reduces the rover's power supply, and the rover's mobility is limited until the winter is over or wind cleans the panels.
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Engineers have found the root cause of a computer reset that occurred two months ago on NASA's Mars Science Laboratory and have determined how to correct it.
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New color images from NASA's Mars Reconnaissance Orbiter show the agency's 2008 Phoenix Mars Lander and the lander that carried its rover Spirit to Mars in 2004.
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At least one object in photos NASA's Curiosity rover will transmit from Mars later this year will look familiar to all Americans: a Lincoln penny sent as a camera reference.
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This week's solar storm is giving a NASA Mars-bound spacecraft a chance to gauge how such events would affect radiation exposure of future astronauts flying to Mars.
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Martian dunes and sand ripples of mixed shapes and sizes form a striking pattern in a recent image from the high-resolution camera on NASA's Mars Reconnaissance Orbiter.
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On the eighth anniversary of starting to explore Mars, NASA's rover Opportunity remains busy with new investigations.
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NASA's Mars Science Laboratory spacecraft successfully refined its flight path Wednesday with the biggest maneuver planned for the mission's journey between Earth and Mars.
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An engine firing on Jan. 11 will be the biggest maneuver that NASA's Mars Science Laboratory spacecraft will perform on its flight between Earth and Mars.
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Researchers plan to keep NASA's Opportunity rover busy through Martian winter at a sun-facing site, "Greeley Haven," where a study of the planet's core has begun.
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