(Phys.org) —Researchers using NASA's Mars Reconnaissance Orbiter have found that temperatures in the Martian atmosphere regularly rise and fall not just once each day, but twice.
Space Exploration
Jun 12, 2013
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Scientists using images from NASA's Mars Reconnaissance Orbiter, or MRO, have estimated that the planet is bombarded by more than 200 small asteroids or bits of comets per year forming craters at least 12.8 feet (3.9 meters) ...
Space Exploration
May 15, 2013
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Over the years, the spacefaring nations of Earth have sent dozens of probes and rovers to explore Mars. Today there are three active satellites circling the red planet while two rovers, Opportunity and Curiosity, wheel across ...
Space Exploration
Mar 28, 2013
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When the Mars Atmosphere and Volatile Evolution (MAVEN) mission begins its journey to the Red Planet in 2013, it will carry a sensitive magnetic-field instrument built and tested by a team at NASA's Goddard Space Flight Center ...
Space Exploration
Mar 26, 2013
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(Phys.org)—A regional dust storm on Mars, tracked from orbit since Nov. 10, appears to be abating rather than going global.
Space Exploration
Nov 28, 2012
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(Phys.org)—NASA's Mars Reconnaissance Orbiter data have given scientists the clearest evidence yet of carbon-dioxide snowfalls on Mars. This reveals the only known example of carbon-dioxide snow falling anywhere in our ...
Space Exploration
Sep 12, 2012
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On Mars's poles there are ice caps of ice and dust with layers that reflect to past climate variations on Mars. Researchers from the Niels Bohr Institute have related the layers in the ice cap on Mars's north pole to variations ...
Space Exploration
Sep 6, 2012
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(PhysOrg.com) -- In preparation for NASA's next rover landing on the Red Planet, one Mars year away, an instrument studying the Martian atmosphere from orbit has begun a campaign.
Space Exploration
Sep 30, 2010
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(PhysOrg.com) -- This image from NASA's Mars Reconnaissance Orbiter shows channels to the southeast of Hale crater on southern Mars. Taken by the orbiter's High Resolution Imaging Science Experiment (HiRISE) camera, this ...
Space Exploration
Oct 28, 2009
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(PhysOrg.com) -- New, three-dimensional imaging of Martian north-polar ice layers by a radar instrument on NASA's Mars Reconnaissance Orbiter is consistent with theoretical models of Martian climate swings during the past ...
Space Exploration
Sep 22, 2009
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