Tardigrades have a reputation for being nearly indestructible. These microscopic animals, often nicknamed water bears, can dry out and slip into a dormant state.

You’ve probably followed the Mars rover missions on and off for years, watching those red-dust landscapes scroll across your TV screen and wondering: Could something have lived there once? Now, after ...

Spiderweb-shaped rock patterns on Mars may rewrite the timeline of when water disappeared from the Red Planet.

New research shows that an intense regional dust storm transported unusually high amounts of water vapor into Mars’ upper atmosphere, boosting hydrogen escape. The discovery reshapes understanding of ...

Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...

NASA's Curiosity rover discovered strange mineral nodules on massive spiderweb formations on Mars.

TUSCON, Ariz. — Researchers working on the Phoenix Mars Mission say they've found evidence that liquid water exists on the red planet, though some mission scientists remain skeptical of the conclusion ...

NASA's Curiosity rover just found bizarre nodules on giant Martian "spiderwebs." Scientists are puzzled.

Learn how water bears (tardigrades) reacted to simulated Martian regolith, what the results reveal about toxic compounds in ...

Strange spiderweb-like ridges on Mars may reveal groundwater lasted longer than scientists thought.