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

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

Challenger exploded 73 seconds after liftoff while carrying seven people, including "Teacher in Space" participant Christa McAuliffe. Nobody survived the launch on Jan. 28, 1986 from NASA's Kennedy ...

On a cold, sunny morning in Florida, after several scrubs due to weather, the launch was a highly-anticipated event.

A catastrophic failure occurred 73 seconds after liftoff as the shuttle emerged from “Max-Q,” the period of highest mechanical stress in the lower atmosphere. The vehicle broke apart in flight and ...

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

On Jan. 16, 2003, Space Shuttle Columbia launched on its 28th mission, STS-107. NASA had five additional space shuttle missions planned for 2003, but STS-107 was the only one focused on scientific ...

Forty years later, the memories of the Challenger explosion resonate deeply with students and teachers who witnessed it.

Today marks the 39th anniversary of the Space Shuttle Challenger disaster (Mission STS-51-L), when the shuttle's seven astronauts were killed by an explosion.

NASA's Space Shuttle Program, which ran from 1981 to 2011, was a complex and ambitious project that pushed the boundaries of ...