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

The space shuttle Challenger explosion was a defining moment of the 1980s. Whether you were watching on TV or in person, ...

Seven astronauts lost their lives during the Challenger space shuttle disaster on Jan. 28, 1986. Four decades later, human ...

Forty years ago, Americans were shocked when the space shuttle Challenger exploded 73 seconds after it launched on a chilly ...

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

Steve Hawley, who flew five Space Shuttle missions, and Krista Schaffer, a first-grade teacher at Christa McAuliffe ...

On January 28, 1986, the space shuttle Challenger exploded shortly after liftoff, killing the seven crew members on board The ...

Gloria McMillan was a finalist for NASA's Teacher in Space program alongside Christa McAuliffe, who died in the 1986 ...

(CNN) - Wednesday marks the 40th anniversary of the Challenger space shuttle explosion. It was a moment of collective grief ...

Children, students and adults gathered around television sets 40 years ago to watch the Space Shuttle Challenger launch. Seventy-three seconds after the launch, people around the world heard or saw ...

It's been 40 years since the Challenger space shuttle, carrying seven people, took off from Florida's Kennedy Space Center, ...

The 40th anniversary of the Space Shuttle Challenger disaster comes as NASA prepares for its next major step in human ...