Mars News

Martian Meteorites Yield Clues to the Planet’s Early Atmosphere

April 17, 2014

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Using data from meteorites that fell to Earth from Mars, scientists investigate the chemical composition of the Martian atmosphere throughout history, and learn whether the planet has ever been hospitable to life. Geologists who analyzed 40 meteorites that fell to Earth from Mars unlocked secrets of the Martian atmosphere hidden in the chemical signatures of […]

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ASU Research Shows Gusev Crater on Mars Once Held a Lake

April 10, 2014

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New research from Arizona State University shows evidence that the Gusev Crater on Mars once held a lake. If desert mirages occur on Mars, “Lake Gusev” belongs among them. This come-and-go body of ancient water has come and gone more than once, at least in the eyes of Mars scientists. Now, however, it’s finally shifting […]

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Curiosity Image Captures Mysterious Bright Spot

April 9, 2014

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A newly released Curiosity image shows a bright spot on the surface of Mars, which was possibly caused by the sun glinting off a rock or cosmic rays striking the camera’s detector. Images taken by NASA’s Curiosity Mars rover on April 2 and April 3 include bright spots, which might be due to the sun […]

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New ScienceCast Video Previews the ‘Opposition of Mars’

March 31, 2014

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A new three minute ScienceCast video previews the April 14th close approach of Mars, when Earth and Mars are at their minimum distance from each other. By the time you finish reading this story, you’ll be about 1,000 km closer to the planet Mars. Earth and Mars are converging for a close encounter. As March […]

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Curiosity Rover Drives Through and Past “Dingo Gap” Inside Gale Crater

February 12, 2014

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This new series of images shows NASA’s Curiosity Rover driving through and past “Dingo Gap” inside Gale Crater. NASA’s Curiosity Mars rover is continuing its traverse toward enticing science destinations after climbing over a dune spanning a gap in a ridge. The rover covered 135 feet (41.1 meters) on February 9, in its first drive […]

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Orbiter Examines Clues to Possible Water Flows on Mars

February 11, 2014

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Using images from NASA’s Mars Reconnaissance Orbiter, several new studies examine recurring slope lineae on Mars and possible water flows. 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. The features are dark, finger-like markings that […]

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Mars Reconnaissance Orbiter Examines a New Impact Crater

February 6, 2014

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This new image from NASA’s Mars Reconnaissance Orbiter shows an impact crater about 100 feet (30 meters) in diameter that appeared at some time between July 2010 and May 2012. 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 […]

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NASA Preparing for Comet Siding Spring’s “Close” Flyby of Mars

January 29, 2014

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Astronomers are preparing for Comet Siding Spring, which will pass Mars at a distance 10 times closer than any identified comet has ever flown past Earth. This spring, NASA will be paying cautious attention to a comet that could put on a barnstorming show at Mars on October 19, 2014. On that date, comet C/2013 […]

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NASA’s Opportunity Reveals That Mars Could Have Supported Life

January 24, 2014

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New findings from NASA’s Mars Exploration Rover Opportunity reveal that Mars had an ancient wet environment that was milder and could have supported life. Some of the oldest minerals ever analyzed by NASA’s Mars Opportunity Rover show that around four billion years ago Mars had liquid water so fresh it could have supported life. The […]

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Rock “Appears” in Front of Opportunity Rover

January 22, 2014

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This before and after view from NASA’s Mars Exploration Rover Opportunity shows the rock that scientists believe was likely knocked into position from one of Opportunity’s wheels. This before-and-after pair of images of the same patch of ground in front of NASA’s Mars Exploration Rover Opportunity 13 days apart documents the arrival of a bright […]

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New Fly-Through Video of the Ancient Flood Plain Kasei Valles

January 14, 2014

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The European Space Agency has released a new five minute fly-through movie of the ancient flood plain Kasei Valles based on the 67-image mosaic from Mars Express. Travel across the dramatic flood plains of Mars to celebrate ten years of imaging the Red Planet with Mars Express. Ten years ago, on 14 January 2004, Mars […]

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Study Shows Ancient Fresh Water Lake on Mars Could Have Sustained Life

December 9, 2013

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Newly published research shows that an ancient lake on Mars had fresh water and contained key biological elements such as carbon, hydrogen, oxygen, nitrogen and sulphur, which would have provided perfect conditions for simple microbial life such as chemolithoautotrophs to thrive in. A team of researchers from NASA’s Mars Science Laboratory (MSL) Curiosity rover mission, […]

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