Samuel McKee does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Astronauts train to scale a Mars volcano at an analogue site in France. Lava tubes that crisscross the Martian surface might provide sanctuaries for the first human explorers on the Red Planet. (Photo ...

NASA 's Perseverance rover has discovered a highly unusual rock lying on the surface of Mars. The lumpy boulder, which has a metal-rich composition, is most likely a meteorite that crash-landed on the ...