Jezero Crater’s rocks reveal three stages of water activity, shifting from hostile acidic fluids to more life-friendly ...

NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the ...

Unusual chemical compounds found on rocks on Mars could be a sign that life once existed on the red planet, though ...

The most enthralling rock yet found on Mars—a speckled hunk of mudstone that just may contain evidence of ancient alien ...

Minerals in the rock might have been produced by microbes in chemical reactions, but researchers say they’ll need to examine ...

Scientists believe intriguing leopard spots on a rock sampled by the Perseverance rover on Mars may have potentially been ...

The search for life on Mars reached its most promising breakthrough yet after NASA revealed new findings of possible ancient ...

Prize: NASA could offer a prize—say $3 billion to the first company and $1 billion to a second company—for delivering ...

Detailed analysis of images of speckled rocks found by NASA’s Perseverance rover has found a “potential biosignature.” ...

Martian mudstones contain features that NASA says are the "clearest sign of life" yet on Mars, according to new findings from ...

NASA's hosting a teleconference on Wednesday (Sept. 10) to discuss a new rock analysis from the Perseverance Mars rover. Here ...

A new study in the journal Nature detailing chemicals found in rocks on the surface of Mars could be among the strongest evidence for life having been on the surface.