Viking consisted of two twin orbiters and landers, with experimental chambers in the landers to conduct three biology ...

Has NASA's Perseverance rover at long last found evidence that life did indeed once exist on Mars? Here's what we know.

As NASA's Perseverance rover, a car-sized robotic explorer, looks for signs of possible ancient life on Mars, it has stumbled ...

In fairness to the Perseverance rover, this is exactly what it was built for. Nicknamed Percy, the machine was sent to Jezero ...

“This finding by Perseverance …is the closest we have ever come to discovering life on Mars,” said acting NASA administrator ...

Rovers explore distant planets for decades, where humans can't yet go. Here's how NASA sends updates to these rovers from miles away to keep them running.

HOUSTON—NASA has selected four crewmembers for its second 378-day simulation of living and working on the surface of Mars.

Did NASA find life on Mars? What NASA has found may be the strongest evidence yet that ancient microbial life once existed on ...

New research using NASA's Perseverance rover has uncovered strong evidence that Mars' Jezero Crater experienced multiple ...

Scientists reported the findings Wednesday, but stressed that an in-depth analysis of the sample gathered there last summer ...

Four researchers will spend more than a year in a 3D-printed habitat, acting as though they're eating, sleeping and living on ...

NASA has found “the clearest sign yet” that life once existed on Mars, the agency announced on Wednesday. After a ...