Planetary geologists reply that these impressions usually result from pareidolia, the tendency for the brain to see familiar shapes in random patterns, a tendency Carl Sagan long ago called an ...

The barren red deserts of Mars might not be as lifeless as they seem. A growing number of researchers are pointing to strange ...

NASA's Perseverance rover has added to its trove of curious finds, as the space agency published a photo of a rock on the surface of Mars that looks like a centuries-old helmet. The rock has a pointed ...

The agency’s scientists are still not saying they found fossils of Martian microbes, but analysis of the specimen collected ...

The odds for life existing on other planets has just skyrocketed after a NASA rover unearthed new evidence on Mars. The odds ...

Was there ever life on Mars? Planetary scientists think there could have been but there hasn’t been any direct evidence.

Ancient organisms may have left microscopic "biosignatures" on Mars. That's according to NASA scientists, who say a rock ...

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

Has NASA's Perseverance rover at long last found evidence that life did indeed once exist on Mars? Here's what we know.

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

Potential signs of microbial life were found in a rock sample collected by the rover in 2024 from an ancient dry riverbed on ...