Because all earthly life shares a common origin, finding a second tree of life would forever change humanity’s understanding of ourselves.

Researchers who examined data from Perseverance found that the rocks contained organics that could have been the precursors ...

Scientists have found strong evidence that Mars was inhabited multiple times. The team identified 24 minerals that pointed to ...

NASA announced in September 2025 that it had found life on Mars. Rating: False (About this rating?) Context: NASA announced it found promising potential biosignatures on Mars. Potential biosignatures ...

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

A biosignature is any characteristic, element, molecule, substance or feature that serves as evidence for past or present ...

"The results reported here can be crucial when down-selecting which samples, if not all, are returned to Earth." ...

“The presence of this mineral puts a lot more nuance on what was going on,” said Mario Parente, an associate professor of ...

A new study used mathematical formulas and demonstrated that it’s highly unlikely life began on Earth. Instead, the ...

NASA’s Perseverance Mars rover collected a rock sample that NASA leaders say offers the best signs yet that ancient Mars harbored some form of life.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

A mudstone sample from Jezero Crater shows textures and minerals that on Earth often form through microbial activity. Scientists caution that nonbiological processes could also explain the features, ...