The Space Shuttle Challenger disaster on January 28, 1986, killed all seven astronauts on board, but disturbing details later ...

Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades ...

NASA's space shuttle Challenger completed 10 missions before it broke apart during a launch in 1986, killing seven astronauts.

Ad astra per aspera” is an ancient Latin phrase meaning “to the stars through hardships.” Forty years ago, the harrowing hardships of questing for the stars were seen in cold Florida skies when the ...

The Space Shuttle Columbia disaster saw the spacecraft disintegrate during re-entry into Earth's atmosphere, killing all seven crew members in a tragic and preventable incident ...

Seven astronauts were killed in the 1986 space shuttle Challenger disaster. Because a teacher was aboard, millions of schoolchildren watched the event live in school. Forty years later, many of those ...

(CNN) - Wednesday marks the 40th anniversary of the Challenger space shuttle explosion. It was a moment of collective grief on Jan. 28, 1986, when the space shuttle exploded during a live broadcast.