Seven astronauts were killed in the 1986 space shuttle Challenger disaster. Because a teacher was aboard, millions of schoolchildren watched the event live in school. Forty years later, many of those ...

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members. Among the seven crew members were five NASA astronauts, as well as a payload ...

Bob Ebeling was anxious and angry as he drove to work on the morning of Jan. 28, 1986. He kept thinking about the space shuttle Challenger, cradled on a Florida launchpad 2,000 miles away. Ebeling ...

For millions of Americans, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy assassination and 9/11. On that chilly January day in 1986, ...

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty years ago Space Shuttle Challenger climbed into the clear amid blue skies over ...

Read full article: INTERACTIVE: The NASA astronauts and employees who died in service to U.S. space exploration January 28th is a Day of Remembrance honoring the lives of the crew and teacher aboard ...

The two solid rocket boosters flew in different directions as the external fuel tank became a fireball.(AP: Bruce Weaver / File) Forty years ago, the Challenger space shuttle disintegrated just after ...

Corrections & Clarifications: An earlier version of this story misstated the date of the Space Shuttle Columbia disaster. It occurred Feb. 1, 2003. For millions of Americans, it was an event that ...