Strange, sinuous gullies etched into the dunes of Mars are finally giving up their secrets. These gouges, new experiments reveal, are carved by the explosive sublimation of dry ice, burrowing down the ...

NASA's Curiosity rover has discovered more building blocks of life on Mars after carrying out a chemistry experiment never before conducted on another planet, scientists said Tuesday. The organic ...

A radio glitch Tuesday between the Phoenix Mars Lander and a Mars orbiter delayed the start of planned science experiments on the red planet. Mission leaders at the University of Arizona had hoped to ...

NASA's Perseverance rover has uncovered its strongest evidence yet that Mars may once have supported life, and in rocks younger than scientists expected. A paper published Wednesday in Nature details ...

NASA's Curiosity rover has discovered more building blocks of life on Mars after carrying out a chemistry experiment never before conducted on another planet, scientists said Tuesday. The organic ...