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 ...

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

A planetary scientist walks through the sensors and systems that went into the recent detection of potential biosignatures.

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 ...