Long before SpaceX, long before Apollo, NASA had already imagined something far more permanent — a fully self sustaining colony on Mars. The plan called for a fleet of massive spacecraft and a ...

SpaceX CEO Elon Musk announced Sunday that his company had “shifted focus” from taking humans to Mars to building a ...

NASA and the Department of Energy have just tested a small fission nuclear reactor named KRUSTY (Kilowatt Reactor Using Stirling Technology) in the Nevada desert, in what could be a way to provide ...

NASA has lost contact with one of its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars orbiter is perilously close to running out of fuel, and the third mission ...