On January 28, 1986, Space Shuttle Challenger broke apart just 73 seconds after liftoff. Pilot Michael Smith's final words ...

The Space Shuttle Challenger exploded 73 seconds into flight on January 28, 1986, killing all seven crew members. Evidence ...

Add Yahoo as a preferred source to see more of our stories on Google. Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air, killing all seven crew members ...

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 ...

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty years ago Space Shuttle Challenger climbed into the clear amid blue skies over ...

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CAPE CANAVERAL, Fla. (KSWO) - Wednesday, Jan. 28, marks the 40th anniversary of the Space Shuttle Challenger explosion off the coast of Cape Canaveral in Florida. The spacecraft broke apart 73 seconds ...

Add Yahoo as a preferred source to see more of our stories on Google. Just over a minute after liftoff from Kennedy Space Center in Florida, an O-ring seal on one of the solid rocket boosters ruptured ...

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 ...

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty years ago Space Shuttle Challenger climbed into the clear amid blue skies over ...

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty years ago Space Shuttle Challenger climbed into the clear amid blue skies over ...