Taking a new look at a very old mudstone on Mars, scientists believe they have found a potential biosignature, indicating ...

"The idea was for our payload to get us just up to the potential biosignature designation and have the rest of the story told ...

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

"When we see features like this in sediment on Earth, these minerals are often the byproduct of microbial metabolisms that ...

NASA’s famous Mars rover Perseverance, which landed on the red planet back in 2021, has been quiet for a long time—but now ...

The Perseverance rover on Mars has obtained rock samples. Researchers have stated these samples contain biomarkers that ...

NASA’s Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient ...

NASA's Perseverance rover captured a solar eclipse on Mars. In this case it was the moon Phobos completing a transit of the ...

Published in Nature, the study stresses that the evidence remains preliminary. NASA noted that the same mineral and chemical ...

This animation depicts water disappearing over time in the Martian river valley Neretva Vallis, where NASA’s Perseverance ...

Minerals in the rock might have been produced by microbes in chemical reactions, but researchers say they’ll need to examine the sample more closely to know for sure ...

A biosignature is any characteristic, element, molecule, substance or feature that serves as evidence for past or present life. It must be something that cannot be produced without life. Some examples ...