On January 28, 1986, Space Shuttle Challenger broke apart just 73 seconds after liftoff. Pilot Michael Smith's final words ...

This browser does not support the Video element. Seven astronauts were killed in the 1986 space shuttle Challenger disaster. Because a teacher was aboard, millions of schoolchildren watched the event ...

It's been 40 years since seven people lost their lives when the Challenger space shuttle exploded minutes after launching from Florida's Kennedy Space Center. The disaster claimed the lives of Christa ...

His widow, Cheryl McNair, recently sat down to discuss that devastating day and her husband's enduring legacy. When the Challenger crew walked to the launch pad on the morning of Jan. 28, 1986, ...

Forty years ago, a space shuttle exploded. A teacher and her crewmates lost their lives. A generation of schoolchildren watched it happen live. I was one of them. I was 10 when the Challenger ascended ...