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 ...

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 ...

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 ...

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.

Smoke billows in the sky above the Kennedy Space Center in Florida after the explosion of the Space Shuttle Challenger on Jan. 28, 1986. Just one day before the Challenger space shuttle exploded over ...

NASA's Space Shuttle program was a great idea in concept, but flawed execution led to its demise. Here are the problems it ...

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 ...

The Christa McAuliffe Center for Integrated Science Learning plans several events to commemorate the 40th anniversary of the Space Shuttle Challenger disaster, which on Jan. 28, 1986, claimed the ...

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 ...