While surveying the site of an ancient channel on Mars, the Curiosity rover ran over a rock and discovered pure sulfur on the red planet for the first time.

While surveying the site of an ancient channel on Mars, the Curiosity rover ran over a rock and discovered pure sulfur on the ...

NASA's Perseverance rover has spotted an oddball rock in an ancient river channel on Mars. Deputy project scientist Katie Stack Morgan explains. Credit: NASA/JPL-Caltech/ASU/MSSS ...

A white, speckled rock on Mars. The Perseverance Rover came across this bizarre rock in a field of blue boulders; it's called "Atoko Point." NASA/JPL-Caltech/ASU ...

The Perseverance rover found a rock on Mars that scientists think could show evidence that life once existed on the Red Planet. The rock – nicknamed "Cheyava Falls" after a waterfall in the ...

Valleys on Mars suggest the Red Planet was once covered in flowing water — but it's still a mystery how that could have been.

Present-day Mars is a barren and inhospitable planet, but it may have once had sandy beaches and tranquil ocean vistas.According to findings published on February 24 in the Proceedings of the ...

Scientists announced Monday that for the first time, they've found evidence of liquid water on Mars – which they say is buried in cracks several miles under the Red Planet's surface. This is the ...