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 ...

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 over Florida, killing all seven ...

Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air, killing all seven crew members aboard. The disaster occurred at what was then the pinnacle of the U.S.

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all 7 crew members. Among the seven crew members were 5 NASA astronauts, as well as a payload specialist ...

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 ...