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

On Jan. 28, 1986, America witnessed a tragedy: the explosion of Space Shuttle Challenger in the blue skies over Florida. The ...

TODAY marks four decades since the Challenger space shuttle exploded just 73 seconds into its flight. Millions watched the ...

On Jan. 28, 1986, the Space Shuttle Challenger exploded 73 seconds after takeoff. All seven crew members on board were killed ...

Forty years ago, Americans were shocked when the space shuttle Challenger exploded 73 seconds after it launched on a chilly ...