A newly discovered mechanism could explain the shock finding last year that oxygen is produced by metallic nodules on the ...

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not ...

In the next decade, space agencies plan to bring rock samples from Mars to Earth. But what if these rocks contain alien ...

That gap includes any really ancient microbes that might have otherwise been fossilized. Luckily, though, there's Mars. "Mars ...

Their discovery showed that even tucked away in our innards – in the walls of our stomachs, subjected to vinegar-like pH ...

If Mars ever hosted microorganisms in its bygone oceans, their fossils might still be preserved in minerals—and now, we have ...

Researchers have developed a promising technique to identify potential microbial fossils on Mars. Sulfate minerals like gypsum, abundant on the Martian surface, may hold clues to ancient life.

That gap includes any really ancient microbes that might have otherwise been fossilized. Luckily, though, there's Mars. "Mars is a screenshot of the early Earth," Sellam says. "Basically ...

Searching for small fossils in big rocks requires specialized tools --tools that scientists could also use to look for evidence of life on Mars in... An Algerian scientist splits his gaze between ...