Space shuttle Challenger disaster remembered 40 years later

Forty years ago, the space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members aboard in a tragedy that shocked the nation and reshaped NASA's approach to space flight ...

Remembering ‘Challenger’ space shuttle explosion 40 years later

NASA’s Space Shuttle Challenger exploded in mid-air. All seven crew members on board were killed—including a teacher who was ...

Astronaut Had a Close Call Before His Friends Died in the Challenger Explosion. What He Remembers (Exclusive)

Former astronaut and professor Terry Hart is opening up 40 years later about the friends and colleagues he lost on board the ...
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Challenger at 40: How a Tragedy Reshaped Spaceflight’s Culture and Ethics

Four decades after Challenger, the disaster’s lessons continue to guide how humanity explores space responsibly.