The catastrophic loss of the Space Shuttle Challenger on Jan. 28, 1986, stands as a haunting reminder of the immense risks and complexities involved in humanity's exploration of space. This event, ...

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 ...

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 ...

Forty years ago on Wednesday, the world witnessed one of the worst space tragedies. The Challenger mission exploded, and weather was partly to blame. The same cold weather is happening as NASA preps ...

Forty years ago, Space Shuttle Challenger disintegrated 73 seconds into its flight, killing its crew of seven and exposing the management culture and decision-making process that led NASA to launch on ...

Add Yahoo as a preferred source to see more of our stories on Google. It started like any other day off from school. But I had no idea how a sick day would become a date that would stick in my memory ...

Main engine exhaust, solid rocket booster plume and an expanding ball of gas from the external tank is visible seconds after the space shuttle Challenger accident on Jan. 28, 1986. "Flight controllers ...

Forty years ago today, Americans were stunned, shocked and saddened when the Challenger space shuttle exploded 73 seconds after liftoff on a cold, cloudless day in Florida. A booster leak ignited the ...

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.