(Phys.org)—Spring is a dynamic season on the dunes surrounding Mars' north pole. When frozen carbon dioxide, or dry ice, deposited as a winter ice cap on Mars sublimates – changes directly from a solid to a gas – in ...
Space Exploration
Jan 24, 2013
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The HiRISE camera on NASA's Mars Reconnaissance Orbiter recently sent home eye-catching views of the agency's InSight lander and its Curiosity rover.
Space Exploration
Oct 17, 2019
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Volcanoes erupted beneath an ice sheet on Mars billions of years ago, far from any ice sheet on the Red Planet today, new evidence from NASA's Mars Reconnaissance Orbiter suggests.
Space Exploration
May 3, 2016
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(PhysOrg.com) -- Dunes of sand-sized materials have been trapped on the floors of many Martian craters. This view shows dunes inside a crater in Noachis Terra, west of the giant Hellas impact basin in Mars' southern hemisphere.
Space Exploration
Jan 14, 2010
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Could water have carved channels on Mars as recently as 500,000 years ago? If that's the case, it would boost the case for relatively recent life on the red planet.
Space Exploration
Mar 19, 2015
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NASA's long-lived Opportunity Mars rover has accomplished what absolutely no one expected.
Space Exploration
Jan 20, 2014
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The moon put on a rare cosmic show Wednesday: a red blue moon, super big and super bright.
Space Exploration
Jan 31, 2018
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Every Mars landing is a knuckle-whitening feat of engineering. But each attempt has its own quirks based on where a spacecraft is going and what kind of science the mission intends to gather.
Space Exploration
Nov 1, 2018
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Spewing out material from deep underground, geological structures on Mars thought to be mud volcanoes could give scientists the clues they need to determine if life exists, or ever existed, on the Red Planet.
Space Exploration
Aug 19, 2010
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Three Irish scientists have discovered how winds shape sand dunes on Mars by using image data from the HiRISE camera on the Mars Reconnaissance Orbiter and then comparing patterns with wind models that were tested on dunes ...
Space Exploration
Nov 5, 2015
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