The Mars Express orbiter launched to the Red Planet. Twenty years later, ESA has delivered a high resolution color image of ...

Observations by the Mars Express orbiter reveal rapid changes on the Red Planet’s surface from windblown volcanic ash ...

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

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

CNBC's Investing in Space newsletter offers a view into the business of space exploration and privatization, delivered straight to your inbox. Sign up to receive future editions. It was a matter of ...

Volcanic ash is creeping across the surface of Mars with startling speed. The European Space Agency’s (ESA’s) Mars Express ...

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

This picture of Phobos near the limb of Mars was captured in 2010 by Mars Express currently orbiting Mars. Phobos is a heavily cratered and barren moon, with its largest crater located on the far side ...

The European Space Agency (ESA) has uncovered new evidence of a dark ash blanket slowly spreading across Mars, an occurrence ...