The images, captured by the Mars Express orbiter, reveal the volcano's southeast flank with hundreds of overlapping lava ...

New images from ESA's Mars Express reveal Olympus Mons' colossal scale and intriguing features. Frozen lava tongues cascade ...

If there is, or ever has been, life on Mars, the chances are it would exist in caves protected from the severe dust storms, ...

Scientists have identified several caves carved by water and they may have held or have evidence of extraterrestrial life.

A large subterranean liquid water reservoir located deep within the Martian crust was previously found by scientists ...

More than five years into its mission, NASA's Mars Perseverance rover is still ambling across the surface of the red planet, ...

New research indicates that early Martian volcanoes may have emitted reactive sulfur gases that warmed the planet and supported conditions suitable for microbial life. Although scientists are still ...

On Christmas Eve in 2023, a European Space Agency (ESA) spacecraft captured what looks like a barcode etched into the rusty ...

Coloe Fossae was shaped by powerful tectonics, which stretched and cracked Mars's crust, causing chunks of ground to collapse ...

Interest in Martian life had been spurred by a now infamous announcement from the White House lawn in 1996, when President ...

Scientists discovered caves on Mars likely formed by water, offering new hope in the search for signs of past life.