The space shuttle Challenger explosion was a defining moment of the 1980s. Whether you were watching on TV or in person, chances are, you remember exactly where you were and how you felt.

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all 7 crew members. Among the seven crew members were 5 NASA astronauts, as well as a payload specialist ...

Forty years on, the Challenger disaster remains a case study in what happens when organizations fail to allow for dissent and ...

Challenger exploded 73 seconds after liftoff while carrying seven people, including "Teacher in Space" participant Christa McAuliffe. Nobody survived the launch on Jan. 28, 1986 from NASA's Kennedy ...

Read about the tragic Challenger space shuttle disaster and the story of Christa McAuliffe, a teacher who dreamed of going to space.

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

Forty years ago today, Americans were stunned, shocked and saddened when the Challenger space shuttle exploded 73 seconds after liftoff on a cold, cloudless day in Florida. A booster leak ignited the ...