Even though the Red Planet's atmosphere is thin, wind is still one of Mars' most relentless sculptors.

ESA's first mission to another world, the Mars Express orbiter, began circling the Red Planet on June 2, 2003. Ever since, ...

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.

When you buy through links on our articles, Future and its syndication partners may earn a commission. The Mars Express orbiter captures a sweeping view of Idaeus Fossae in Mars' northern lowlands, ...

A new view of Mars showcases a dramatic impact crater on the Red Planet with its debris wings unfurling across the surface like a butterfly in flight. The dazzling image, captured by the European ...