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

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

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

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

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

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

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

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

This coming Wednesday, Jan. 28, will mark the 40 year anniversary of the Challenger explosion, one of the biggest tragedies ...

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

Forty years on, the Challenger disaster remains a case study in what happens when organizations fail to allow for dissent and ...

At the NASA Glenn Research Center in Cleveland, this week is dedicated to remembrance — honoring the heroes lost in the ...