Forty years ago, the space shuttle Challenger exploded 73 seconds after liftoff. Seven astronauts were killed, including ...

Forty years later, the Challenger Learning Center is asking the public for their own memories of the 1986 space shuttle ...

The 40th anniversary of the Challenger explosion stirs the memories of Long Island educators who watched the disaster on ...

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

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

It's been 40 years since the space shuttle Challenger exploded shortly after liftoff Jan. 28, 1986, in Florida, killing all ...

Christa McAuliffe’s flight as the “teacher in space” lasted 73 seconds. A reporter who witnessed the tragedy returned to the ...

Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades ...

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

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

"I lost my father," Alison Balch said, "but to everyone else, they felt like they lost somebody also." ...

Many county residents remember the shock and pain they felt 40 years ago as they watched the space shuttle Challenger ...