NASA's Perseverance rover discovered rocks on Mars, providing new evidence the red planet was once a wet, habitable world ...

The current image of Mars as an arid and hostile desert contrasts sharply with the history revealed by its surface. Channels, ...

Perchlorate, a toxic substance found in Mars dirt, could help the bacterium Sporosarcina pasteurii strengthen bonds between particles of regolith.

Wringing out clues that could change everything.

Bright white rocks found by NASA’s Perseverance rover hint at ancient Martian rain lasting millions of years, raising new questions about how wet Mars once was and what those conditions might mean.

NASA's Viking missions to Mars may have discovered evidence for life on the Red Planet after all, according to scientists who ...