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NASA’s Curiosity Mars rover recorded this view of the sun setting at the close of the mission’s 956th Martian day, or sol (April 15, 2015), from the rover’s location in Gale Crater. Image credit: NASA/JPL-Caltech/MSSS/Texas A&M University NASA’s...

Astrobiology Magazine: Geochemist Matt Jackson finds the hottest, most buoyant mantle plumes draw from a primordial reservoir deep in the Earth.

astroengine writes Mars may be a frigid desert, but perchlorate salts in the planet's soil are lowering the freezing temperature of water, setting up conditions for liquid brines to form at equatorial regions, new research from NASA's Curiosity rover...

NASA’s Curiosity Mars rover completed the fourth year of its original two-year mission today and is looking forward to another two-year extension beginning in October. When the US$2.5 billion unmanned explorer landed on the Red Planet on August 6, 2...

The dark band near the top of this Nov. 18 image from Curiosity’s navigation camera is part of the Bagnold Dunes. Credit: NASA/JPL-Caltech The Curiosity rover’s next destination is a moving mound of wind-blown dark sand blanketing the base of Mount...