NASA lost contact with MAVEN on Dec. 6, after the spacecraft passed behind Mars — a routine maneuver during which the planet ...

Long thought of as a dry, barren world, Mars may once have shimmered with shades of blue. A new study reveals the discovery ...

NASA says it is “very unlikely” the agency will be able to recover a Mars spacecraft that has been out of contact for more ...

A study by scientists at Penn State and NASA shows that intact biomolecules from dormant microbes break down much more slowly ...

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...

Mars, often depicted as a barren red planet, is far from lifeless. With its thin atmosphere and dusty surface, it is an ...

NASA’s Mars Sample Return program faces opposition from planetary scientists following proposed cancellation, with concerns raised over Perseverance samples, future Mars missions, and international ...

Researchers worked out the ocean's size by finding how high the water level got in the Solar System’s largest canyon system.

Mars looks familiar from afar, but surviving there means creating a protective oasis in a hostile world. Instead of shipping ...

A Congressional bill restores funding for most NASA space science missions, but there is no money for returning samples ...

Researchers discovered Mars subtly affects Earth’s orbit and axial tilt. These small changes help trigger ice ages and ...

Mars had an Arctic-sized ocean, and scientists are only now beginning to see the outline of it. For a long time, the planet ...