NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

Mars, long admired for its rusty hue and alien deserts, may play a far greater role in shaping life on Earth than once ...

NASA is spending this week trying to rouse a veteran Mars orbiter that has not answered a single call in more than a month, a ...

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

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

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 ...

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 ...

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

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

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 ...