"If you guys don't give me a chance to repair my instrument, I'm not going back."

An engineer for the company responsible for the shuttle’s booster rockets, he opposed letting it take off, concerned that cold weather might affect them. He was right.

Find out what launch feels like—from astronauts! Drawn from interviews filmed inside space shuttle Endeavour, Launch features shuttle astronauts Mike Fincke, Rick Searfoss, Garrett Reisman, Sandra

On Jan. 28,1986, the space shuttle Challenger stunned the nation when it broke apart 73 seconds into flight. This is the story of the soccer ball that survived -- and the family that sent it into space, twice.

Fantastic 20-minute video that examines the organizational politics and lessons from NASA in the Challenger and Columbia accidents.