New images from the Mars Express spacecraft show ancient volcanic ash spreading across the Red Planet.

New images released by the European Space Agency that were taken by its Mars Express orbiter show a rapid transformation ...

Slices from the edge of Mars reveal a layered atmosphere of delicate complexity. A European spacecraft has captured a luminous mille-feuille of dust enveloping the red planet in unprecedented detail.

The ground looks gently rippled and worn, with subtle colour variations giving the surface a mottled, almost velvet-like ...

A new image shows a striking contrast between Mars' desert-like terrain against dark deposits of volcanic ash.

Noticeable change on Mars often takes millions of years—but the European Space Agency's Mars Express has captured a blanket ...

Perceptible geological changes on the surface of Mars are usually measured on timescales spanning millions of years, a pace ...

This illustration shows NASA's InSight spacecraft with its instruments deployed on the Martian surface. NASA/JPL-Caltech That wasn’t quite the end of the story for InSight, though, as it is still ...