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

Forty years after the Challenger disaster, its legacy fuels STEM education, inspiring new generations. The milestone calls ...

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

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

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

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

Forty years ago, the Challenger space shuttle disintegrated just after lift-off. A small team of engineers tried to prevent ...

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

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

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

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

As we enter a new age of space travel, a former NASA astronaut says that rather than accepting risk, we should try to control ...