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 ...

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

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

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

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 ...

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

Mars, the Red Planet, has long captured our imagination as a possible home for life. Recently, a team of scientists uncovered ...

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

A new study identifies eight Martian caves that scientists say should be prioritized in future life-search missions.

Gamma Ray Spectrometer measurements from Mars Odyssey added another hint: Elevated “water-equivalent hydrogen” in the same ...