A Year in Space

Space Twins

Clip: Season 1 | 2m 11s Video has closed captioning.

Using data from identical twin astronauts Mark and Scott Kelly, NASA’s twin study is investigating the long-term effects of space travel on the human body. The results will be used to help get humans to Mars.

Aired: 03/02/16

Rating: TV-PG

Problems Playing Video? | Closed Captioning

Meet the Crew Members of Expedition 46


Meet the Crew Members of Expedition 46

Want to know more about Expedition 46 and its crew members from Beyond A Year in Space? Visit the official website now for exclusive details on the mission, its objectives, and its members.