NASA wanted to know if humans could handle life on Mars. Four volunteers just put it to the test
One of NASA’s strangest, most daunting missions just wrapped up – and its crew didn’t even leave Earth’s atmosphere. Four crew members emerged over the weekend after spending a full year cooped up inside a 1,700-square-foot habitat designed to perfectly simulate life on Mars. The mission, s

<p>One of NASA’s strangest, most daunting missions just wrapped up – and its crew didn’t even leave Earth’s atmosphere.
Four crew members emerged over the weekend after spending a full year cooped up inside a 1,700-square-foot habitat designed to perfectly simulate life on Mars. The mission, s</p>