On the chilly Tuesday morning of January 28, 1986, seven American astronauts climbed on board the Space Shuttle Challenger for an 11:37 a.m. launch into space. Just 73 seconds after liftoff, their ...

The two solid rocket boosters flew in different directions as the external fuel tank became a fireball.(AP: Bruce Weaver / File) Forty years ago, the Challenger space shuttle disintegrated just after ...

Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air, killing all seven crew members aboard. The disaster occurred at what was then the pinnacle of the U.S.

WASHINGTON — It's been 39 years since the Challenger space shuttle explosion, one of NASA's most devastating tragedies. NASA's Challenger shuttle exploded 73 seconds after lifting off on Jan. 28, 1986 ...

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 ...

William Lucas, a key NASA figure during the 1986 Space Shuttle Challenger disaster, has passed away in Alabama at the age of ...

HOUSTON -- NASA will observe a solemn anniversary today. The Challenger accident happened 30 years ago today. NASA is set to honor the victims of that accident across multiple states today. It is hard ...

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members. Among the seven crew members were five NASA astronauts, as well as a payload ...