Forty years after the Challenger disaster, the tragedy is remembered not only for the seven lives lost, but for the engineer ...

Forty years after the space shuttle Challenger disintegrated shortly after liftoff, the disaster remains one of the most consequential tragedies in U.S. spaceflight history.

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 ...

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 ...

Forty years later, Cheryl McNair remembers the shock of watching the Challenger space shuttle fall to pieces with her husband, astronaut Ronald McNair, onboard. “Now what?” Cheryl McNair, now in her ...

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 ...