The idea that life can spread from world to world dates as far back as ancient Greece and the philosopher Anaxagoras.

Hardy bacteria in a lab survived pressures comparable to an asteroid strike on the red planet, suggesting a hypothetical scenario in which our planet was seeded with life.

The way this document is written suggests that when NASA scores bidders for the Mars Telecommunications Network, the addition ...

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 ...

While sifting through the extensive data collected by NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft over the last decade, scientists discovered a familiar type of electromagnetic ...

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 ...

Following a thorough evaluation, NASA has extended the planetary science missions of eight of its spacecraft due to their scientific productivity and potential to deepen our knowledge and ...

Arnie said, "Get your a* to Mars", but is it really a good idea? We asked the experts about our Martian future.