The space shuttle Challenger explosion was a defining moment of the 1980s. Whether you were watching on TV or in person, ...

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

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

The rollout on Saturday, Jan. 17, of the Space Launch System (SLS) rocket is a crucial step signaling that NASA is in the ...