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 ...

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?

NASA’s search for evidence of past life on Mars just produced an exciting update. On Sept. 10, 2025, a team of scientists published a paper detailing the Perseverance rover’s investigation of a ...

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 ...

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

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

In fairness to the Perseverance rover, this is exactly what it was built for. Nicknamed Percy, the machine was sent to Jezero ...

But the claim that NASA announced found life on Mars was false. NASA announced it found promising evidence of potential ...

NASA rover Perseverance collected evidence being considered by agency officials as 'the closest we have ever come to ...

NASA’s Perseverance rover detects potential biosignatures in Jezero Crater sample Discovery published in Nature marks closest ...