Because a teacher was going to space, millions of schoolchildren watched the Challenger lift off on Jan. 28, 1986. It exploded 73 seconds later.

It's been 40 years since the Space Shuttle Challenger disaster, which killed all seven crew members. Good Day Orlando talks with Winston Scott, a retired U.S. Navy captain and former NASA astronaut, ...

How a cold morning, failed O-rings, and flawed decision-making led to tragedy Forty years ago, Space Shuttle Challenger disintegrated 73 seconds into its flight, killing its crew of seven and exposing ...

On Jan. 28, 1986, the Space Shuttle Challenger exploded 73 seconds after takeoff. All seven crew members on board were killed. The disaster was one of the most significant events in NASA history, ...

The Space Shuttle Challenger was destroyed just 73 seconds into its flight 40 years ago today, killing all seven crew on board ...

It’s been 40 years since the Space Shuttle Challenger disaster. It was a day the nation slowly realized something had ...

Seven American spacefarers were killed in a tragic event 40 years ago today that has become widely known as the Challenger disaster.

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 Space Shuttle Challenger disaster on January 28, 1986, killed all seven astronauts on board, but disturbing details later ...

Jan. 28 marks the 40th anniversary of the disaster. The post Framingham State remembers alum Christa McAuliffe on anniversary of Challenger explosion appeared first on Boston.com.

The morning of the Space Shuttle Challenger explosion 40 years ago still remains the coldest Jan. 28 ever on the Treasure ...