The anniversary of the Challenger disaster marks a cold reminder of risk and management failure along with the role weather played in the deadly flight.

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

Read full article ... Schoolchildren around the country watched the launch, and the disaster, from their classrooms. The Challenger crew is honored at exhibits at the Kennedy Space Center Visitor ...

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

Read full article: Football fans flock ... It was the morning of Jan. 28, the day of the space shuttle Challenger disaster. Icicles formed on the launch pad and service tower in the evening ...

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

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.

The Challenger disaster, which occurred on January 28, 1986, remains one of the most heartbreaking events in space exploration. The tragedy was caused by a failure in the shuttle’s solid rocket ...

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.

The world was shocked and saddened 39 years ago after the Space Shuttle Challenger tragedy. The crewed shuttle mission for NASA ended moments after the launch with a terrible mid-air explosion on Jan.

Corrections & Clarifications: An earlier version of this story misstated the date of the Space Shuttle Columbia disaster ... watched Challenger’s launch from a big window in his office.