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

Let’s face it – you’ve thought about it at least once. Maybe twice. Maybe you were inspired by Katy Perry’s venture out to (not really) space, or loved Dune so much you want to swap your three bed ...

Mars looks familiar from afar, but surviving there means creating a protective oasis in a hostile world. Instead of shipping construction materials from Earth, researchers are exploring how to use ...