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 ...

Five astronauts and two payload specialists make up the STS 51-L crew, scheduled to fly aboard the Space Shuttle Challenger in January of 1986. Crewmembers are (left to right, front row) astronauts ...

Americans' attention was torn from the growing conflict in Iraq this Saturday, February 1, when the Space Shuttle Columbia exploded over the skies of Texas. Now, 17 years after the Challenger ...

On this day in history, Feb.1, 2003, as the Space Shuttle Columbia made its decent back to Earth after completing a 16-day mission in space, a real-life nightmare unfolded. The shuttle exploded and ...

It's been 20 years since space shuttle Columbia broke apart during reentry, killing the entire crew of seven. NASA had high hopes for Columbia's 28th mission. It rocketed into space on Jan. 16, 2003, ...

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 ...