Water found an inch beneath the Martian surface could help future astronauts

By Ashley Strickland, CNN

Updated 2210 GMT (0610 HKT) December 11, 2019

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This artist's illustration shows the ExoMars Trace Gas Orbiter as it orbits Mars. The orbiter detected a layer of glowing green oxygen in Mars' atmosphere.
Photos: The best moments on Mars
This artist's illustration shows the ExoMars Trace Gas Orbiter as it orbits Mars. The orbiter detected a layer of glowing green oxygen in Mars' atmosphere.
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NASA's Curiosity Mars rover took a selfie shortly before completing its steepest climb yet on Mars up the Greenheugh Pediment, which tilted the rover 31 degrees.
Photos: The best moments on Mars
NASA's Curiosity Mars rover took a selfie shortly before completing its steepest climb yet on Mars up the Greenheugh Pediment, which tilted the rover 31 degrees.
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NASA's Curiosity rover captured its highest-resolution panorama, including more than a thousand images and 1.8 billion pixels, of the Martian surface between November 24 and December 1, 2019.
Photos: The best moments on Mars
NASA's Curiosity rover captured its highest-resolution panorama, including more than a thousand images and 1.8 billion pixels, of the Martian surface between November 24 and December 1, 2019.
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