The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.

A rather outlandish claim that an alien gun was spotted in a photo taken on Mars 12 years ago has drawn attention.

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

The Exploration Rover for Navigating Extreme Sloped Terrain (ERNEST) test rover has been put through its paces with great ...

NASA's Mars Reconnaissance Orbiter took this photo as Perseverance crossed the 42-kilometer finish line—or is it a starting ...

In 1988, the Soviet Union launched two of its most ambitious spacecraft ever built not toward Mars itself, but toward one of ...

NASA’s Perseverance rover has uncovered the most extensive evidence yet of complex organic molecules on Mars, detecting ...

NASA officials said Tuesday that they are seriously considering sending the full-scale engineering model of the Perseverance ...

As part of plans to establish a lunar base, the space agency may send to the moon a spare test version of the rover — as well ...

An engineering development version of the NASA rovers currently operating on Mars takes a spin at the Jet Propulsion ...