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

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

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 ...

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