Astronaut Had a Close Call Before His Friends Died in the Challenger Explosion. What He Remembers (Exclusive)

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

A day of tragedy for the space shuttle over Florida. See original live coverage

On Jan. 28, 1986, America witnessed a tragedy: the explosion of Space Shuttle Challenger in the blue skies over Florida. The ...

The Challenger explosion happened 40 years ago. SC still honors Ronald McNair

Today marks the 40th anniversary of the Challenger explosion. One of the crew members called South Carolina home.

The Challenger disaster happened 40 years ago. One astronaut was from NC

The tragic explosion of the Challenger space shuttle killed all 7 spacefarers on board. A pilot for the mission was from ...

Where were you when the Challenger exploded? Share your memories.

We're asking readers to share their memories on one of those "Where were you when ... " type of moments in American history.

‘The teacher started crying’: Harrowing memories of Challenger space shuttle disaster broadcast to millions 40 years ago

TODAY marks four decades since the Challenger space shuttle exploded just 73 seconds into its flight. Millions watched the ...