Seven American spacefarers were killed in a tragic event 40 years ago today that has become widely known as the Challenger disaster.

On this day in 1986, millions watched on live TV as the Space Shuttle Challenger exploded moments after launch, Eliot Wilson ...

Forty years ago, the Challenger space shuttle disintegrated just after lift-off. A small team of engineers tried to prevent ...

Add Yahoo as a preferred source to see more of our stories on Google. Discovery's days of spaceflight may long be over, but the historic NASA space shuttle may soon be on the move again – just not in ...

NASA's Space Shuttle Program, which ran from 1981 to 2011, was a complex and ambitious project that pushed the boundaries of ...