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 ...

On this date, Jan. 28, 1986, space shuttle Challenger exploded just 73 seconds after liftoff from Kennedy Space Center, killing all seven crew members. Two O-rings in the right solid rocket booster ...

A new educational program using simulated space exploration was announced today to commemorate the Space Shuttle Challenger Mission STS 51-L that ended tragically on January 28, 1986. The program, ...

Add Yahoo as a preferred source to see more of our stories on Google. Space Shuttle Challenger crew members gather for an official portrait on Nov. 11, 1985, in an unspecified location. (Back, L-R) ...

When the Challenger space shuttle exploded a little over a minute after its launch in 1986, it pierced the dreams of millions about who watched the tragedy unfold live on television. It also ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CAPE CANAVERAL, Fla. (AP) — A large section ...

The two solid rocket boosters flew in different directions as the external fuel tank became a fireball.(AP: Bruce Weaver / File) Forty years ago, the Challenger space shuttle disintegrated just after ...

The crew was made up of five astronauts, two payload specialists and one teacher (Image: AFP) On the morning of January 28, 1986, millions of viewers around the globe were transfixed by their ...