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.

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 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 ...

Sometimes, it's really hard to see the volcanoes for the rocks, especially if you're just a one-ton rover all alone in a remote crater on Mars. Nevertheless, a bump on the rim of Jezero Crater is ...

“Dust, wind and sand dynamics appear to be the main seasonal drivers of slope streak formation,” Bickel said in a statement. ...

This global view of Jupiter's moon, Io, was obtained during the tenth orbit of Jupiter by NASA's Galileo spacecraft. Io, ...

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