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STS-51L

Every story about STS-51L, updated as news breaks.

1 stories·Updated Jan 28

What to know

The Space Shuttle Challenger exploded 73 seconds into its STS-51L mission on January 28, 1986, killing all seven crew members. Jan 28
The Rogers Commission identified O-ring failures and ignored engineer warnings as key factors in the disaster. Jan 28

Timeline

Jan 28, 2026

Science
Challenger explosion 40 years later: lessons in space safety

Jan 28·2 min read