Today marks 39th anniversary of Space Shuttle Challenger explosion, which took lives of seven crew members, including Ronald ...

The world was shocked and saddened 39 years ago after the Space Shuttle Challenger tragedy. The crewed shuttle mission for ...

O-ring erosion on Discovery would have disastrous effects a year later It has been 40 years since NASA launched the first ...

For millions, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy ...

Today marks 39 years since the tragic Space Shuttle Challenger disaster, honoring the brave pioneers who lost their lives in space.

Beloved Concord teacher Christa McAuliffe, the first civilian teacher ever chosen for a space mission, was one of seven crew members killed in the disaster.

On this date in 1986, the space shuttle Challenger exploded seconds after liftoff, destroying the orbiter and killing her ...

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.

Looking back at the weather 39 years ago and how it impacted the Challenger launch, leading to one of the most tragic losses ...

TV viewers witnessed a tragedy in the skies above Florida. America lost is favorite astronaut-teacher Christa McAuliffe.

It's been 39 years since the Challenger space shuttle, carrying seven people, took off from Florida's Kennedy Space Center, ...

The blast killed all seven crew members aboard Challenger, including teacher Christa McAuliffe, set to be one of the first “civilians” in space. A NASA investigation later found that cold ...