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 ...

A 2025 satellite photo captures the stark contrast between the barren Poás volcano and the surrounding Costa Rican jungle.

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

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

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 ...

Future Martian tourists could explore Mount Mons, colorful crater regions, and the largest canyon in the solar system while searching for signs of microbial life.

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, ...

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