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 ...

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, ...

Add Yahoo as a preferred source to see more of our stories on Google. Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty years ago ...

It was 40 years ago today (Jan. 28) that the space shuttle Challenger blasted off on its 10th mission to space. Sadly, the vehicle never made it there. Challenger exploded 73 seconds after liftoff ...

On February 1, 2003, tragedy struck the space shuttle Columbia, as earlier damage to the craft's left wing caused the shuttle to be destroyed upon reentry, killing all seven astronauts on board. It ...

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 ...