Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...

NASA’s Curiosity rover has discovered tiny mineral nodules on Mars that suggest groundwater persisted on the planet much longer than previously believed, expanding the window during which microbial ...

NASA’s Curiosity rover has spent six months exploring the site to investigate if they are a clue to the presence of water.

NASA’s Curiosity rover has spent about six months studying unusual geological formations called boxwork — a network of low ...

A new NASA analysis concludes that it is "reasonable to hypothesize" that living things could have formed the odd organic ...

“This finding by Perseverance …is the closest we have ever come to discovering life on Mars,” said acting NASA administrator ...

Samples taken from an ancient Mars rock may indicate that ancient life once existed on the Red Planet, according to a study ...

Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find.

Mars’ frozen ice caps may be time capsules for ancient life. Lab experiments show that key building blocks of proteins can survive tens of millions of years in pure ice, even under relentless cosmic ...

The discovery is based on previous Curiosity findings revealed since 2018 about basic organics found on Mars though the ...

In a quiet corner of an ancient riverbed on Mars, a speckled rock has pushed the search for extraterrestrial life into its most tantalizing phase yet. NASA now says the layered stone, drilled by the ...