Mars

  • Liquid water at and beneath frozen Alaskan sand dunes during Arctic winter suggests that liquid water could also be temporarily stable at frost-covered sand dunes on Mars.
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  • NASA's MAVEN mission to Mars will carry a sensitive magnetic-field instrument that will help reveal new information about the evolution of Mars' atmosphere.
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  • Curiosity's ChemCam has identified what might be chemical similarities on the surface of very different martian rocks. Could the chemical signatures be attributed to dust that settled on the rocks... or might it be something else?
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  • Billions of years ago, the site on Mars where Curiosity analyzed its first rock sample had the conditions necessary to support life on Mars. John Grotzinger, project scientist for the mission, spoke with Astrobiology Magazine about the mission and the new results.
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  • Scientists have used date from the Mars Reconnaissance Orbiter to create a 3-D reconstruction of ancient water channels below the surface of the red planet.
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  • When Curiosity drilled into a mudstone rock, the rover found evidence that past environmental conditions on Mars could have been favorable for life. New data from Curiosity shows that these conditions extended beyond the site of the drilling.
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  • New research has revealed key features in proteins needed for life to function on Mars and other extreme environments. Scientists found subtle but significant differences between the core proteins in ordinary organisms and organisms that survive in the extreme conditions of Antarctica.
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  • An analysis of a rock sample collected by NASA's Curiosity rover shows ancient Mars could have supported living microbes. The sample came from sedimentary rock near an ancient stream bed and contained some of the key chemical ingredients for life.
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  • Due to a fast approaching solar storm, NASA has temporarily shut down surface operations of the Curiosity Mars Science Lab (MSL) rover.
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  • NASA's Mars rover Curiosity has switched to a redundant onboard computer in response to a memory issue on the computer that had been active.
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