Seven astronauts aboard the Space Shuttle Challenger died 40 years ago today in a disaster watched by millions ...
The Space Shuttle Challenger broke apart 73 seconds after launch on January 28, 1986, killing all seven crew members ...
Forty years ago, the Challenger space shuttle disintegrated just after lift-off, killing its crew and changing the history of spaceflight. A small team of engineers tried to prevent the tragedy — but ...