Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades ...
The Register on MSN
Challenger at 40: The disaster that changed NASA
How a cold morning, failed O-rings, and flawed decision-making led to tragedy Forty years ago, Space Shuttle Challenger ...
Seven astronauts aboard the Space Shuttle Challenger died 40 years ago today in a disaster watched by millions ...
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