Add Yahoo as a preferred source to see more of our stories on Google. The Challenger shuttle crew: (back, L-R) Ellison S Onizuka, Christa McAuliffe, Greg Jarvis and Judy Resnick. (Front, L-R) Mike ...

Tuesday marks the 39th anniversary of the Space Shuttle Challenger tragedy.The shuttle exploded 73 seconds after takeoff on Jan. 28, 1986.New Hampshire teacher Christa McAuliffe was one of the seven ...

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 ...

At 8.15 a.m. on Jan. 28, 1986, New Hampshire social-studies teacher Christa McAuliffe sat with her six fellow astronauts ahead of the launch of the Space Shuttle Challenger from Kennedy Space Center ...

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 ...

When the Challenger space shuttle exploded a little over a minute after its launch in 1986, it pierced the dreams of millions about who watched the tragedy unfold live on television. It also ...

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 ...

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 ...

The space shuttle Challenger explodes moments after launch on Jan. 28, 1986 from the Kennedy Space Center, killing its seven crewmembers. Challenger: A True Story of Heroism and Disaster on the Edge ...

Sunday marks the 38th anniversary of the Challenger space shuttle explosion, a disaster that killed seven people 73 seconds after launch.An O-ring failure blamed on cold weather doomed the shuttle ...

Add Yahoo as a preferred source to see more of our stories on Google. At 8.15 a.m. on Jan. 28, 1986, New Hampshire social-studies teacher Christa McAuliffe sat with her six fellow astronauts ahead of ...