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

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, ...

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

The Space Shuttle Challenger broke apart just 73 seconds after launch on January 28, 1986, killing all seven crew members ...

NASA's space shuttle Challenger completed 10 missions before it broke apart during a launch in 1986, killing seven astronauts.

NASA's space shuttle Challenger exploded and broke apart Jan. 28, 1986, in the sky over East-Central Florida, killing the seven astronauts on board.

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. The myth of "routine" spaceflight was tragically shattered in 1986 as thousands of schoolchildren watched space shuttle Challenger ...

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

The Challenger wasn’t the nation’s first space tragedy. Reaching for the stars comes with a cost. But this was the first spaceship to break apart on live television, exploding before our very eyes -- ...