NASA Eyes Crew Deep Sleep Option for Mars Mission

A NASA-backed study explores an innovative way to dramatically cut the cost of a human expedition to Mars -- put the crew in stasis.

October 3, 2014
12:00 PM EDT
Mars, the Red Planet, in a view from NASA's Hubble Space Telescope in 2003. To get there, it could take a crew 180 days to travel the interplanetary expanse, so NASA is looking at putting a crew into a deep sleep, or torpor, state. | NASA