Roger Wiens has been a Mars explorer since he was 11 years old. He now leads the SuperCam instrument team on NASA’s Mars Perseverance Rover.

NASA has found potential signs of life on Mars, the agency said last Wednesday. Although additional scientific study is ...

NASA's search for evidence of past life on Mars just produced an exciting update. On Sept. 10, 2025, a team of scientists ...

The big question will be whether or not scientists can demonstrate that greigite and vivianite need biological life to form.

Last week NASA announced the "clearest sign of life that we've ever found on Mars". Amazing news, or a "crushing blow" for humanity?

After a year of scientific scrutiny, a rock sample collected by the Perseverance rover has been confirmed to contain a potential biosignature. The sample is the best candidate so far to provide ...

Investigating megabreccia, Perseverance seeks to unravel Mars's deep history, focusing on ancient rocks that may reveal clues to past life and water presence.

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

As a new paper in Nature reports, a sample Perseverance drilled from the rock may contain potential biosignatures of long ago microbial life.“This finding by Perseverance…is the closest we have ever ...

NASA’s Perseverance rover may have found ancient life on Mars—echoing decades of alien movies warning us not to underestimate ...

Researchers who examined data from Perseverance found that the rocks contained organics that could have been the precursors ...