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

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

On Jan. 28, 1986, NASA’s 25th space shuttle mission, Challenger, left the launchpad in Cape Canaveral, Florida. Seventy-three seconds into flight, Challenger exploded over the Atlantic Ocean as ...

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

It’s been 40 years since the tragic Space Shuttle Challenger launch.

Former astronaut and professor Terry Hart is opening up 40 years later about the friends and colleagues he lost on board the ...

The Space Shuttle Challenger disaster on January 28, 1986, killed all seven astronauts on board, but disturbing details later emerged suggesting some may have survived the initial breakup.

On Jan. 28, 1986, the Space Shuttle Challenger exploded 73 seconds after takeoff. All seven crew members on board were killed ...

The Space Shuttle Challenger exploded 40 years ago, on Jan. 28, 1986. The disaster was watched live on CNN across the globe and in person by family and friends of the crew and schoolchildren. A ...

Forty years after the space shuttle Challenger disintegrated shortly after liftoff, the disaster remains one of the most ...

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

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