A rock shaped like an arrowhead on Mars, displaying intriguing features, could reveal clues about ancient microbial activity. Scientists remain puzzled by these discoveries. A close-up of the Martian ...

The idea of an ancient Martian ocean has fascinated scientists for decades. Now, groundbreaking research based on radar scans ...

Rocks loafing about on the surface of Mars have been harboring secrets about the red planet's mysterious past.

NASA’s Perseverance rover found large crystals of quartz with a high purity on Mars, which probably had to have formed in the ...

Fluid-rock interactions on ancient Mars may have produced abundant magnetic minerals that preserved unusually intense records ...

Although the announcement might have space tourism proponents salivating, the more immediate significance lies in helping focus the search for signs of ancient Martian life. Plans to settle on ...

"The Martian surface has changed dramatically over ... and study co-author Benjamin Cardenas said. "We also considered ancient rivers, which exist in some nearby locations on Mars, but we rejected ...

“The Martian surface has changed dramatically over ... “We also considered ancient rivers, which exist in some nearby locations on Mars, but we rejected that hypothesis for similar reasons ...