Mars is about half Earth’s size and roughly a tenth its mass — not really the sort of planet you’d expect to leave ...

Mars is not the dead planet it is often imagined to be: intense electrical activity is constantly sculpting its landscape.

Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, ...

New simulations show red planet affects Milankovitch cycles that shape how solar energy is distributed on Earth over millions ...

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

MAVEN has remained silent since Dec. 6 despite repeated attempts to contact it, according to NASA. As part of the recovery ...

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

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

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

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 ...