As space agencies race to set foot on the Moon, Mars, and elsewhere, a not-so-glamorous problem could be the key to success: ...

The idea of using artificial gravity isn't new. In fact, we've seen it as a staple of science fiction entertainment for years. But Elon Musk says he wants to take the sci-fi notion and make it real by ...

Four volunteers will spend the next 378 days in a simulation of Mars, facing harsh, realistic challenges in tight quarters under NASA’s watchful eye in preparation for a real-life mission to the red ...