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

A pair of NASA spacecraft know as the Escape and Plasma Acceleration and Dynamics Explorers (ESCAPADE) to be launched to Mars ...

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

Bruno Mars' debut full-length Doo-Wops And Hooligans soars to a never-before-seen peak on the U.K.'s albums streaming chart ...

A Mars spacecraft has now been AWOL for more than a month. But NASA hasn't given up hope of restoring contact with the MAVEN ...

For anyone curious about what it's like to stand on another planet, Earth offers a few convincing previews. Mars may be 140 ...