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 ...

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 ...

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 ...

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 ...

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 ...

it is with deep, heartfelt sorrow. I address you here this afternoon at 11:40 a.m. This morning Space program experienced a national tragedy with the explosion of the space shuttle Challenger.

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 ...