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 ...

San Diego aerospace engineer Wesley Melvin Dreyer spent decades pushing the boundaries of aviation—from developing top-secret defense projects to helping uncover the cause of the Challenger disaster.

Forty years ago today, Jan, 28, 1986, classrooms and households alike watched a live broadcast of what they thought was going to be a happy historic day. However, 73 seconds after launch, a rocket on ...

Bob Ebeling spent a third of his life consumed with guilt about the explosion of the space shuttle Challenger. But at the end of his life, his family says, he was finally able to find peace. "It was ...

The modern world runs on a kind of secular faith. Most of us turn on the faucet and expect water, enter an elevator and expect it to take us to our destination, drive over a bridge and expect it to ...

The 1986 explosion that destroyed the space shuttle Challenger and killed seven astronauts shocked the nation, but for one rocket engineer the tragedy became a personal burden and created a lifelong ...

Last month, we covered the 30th anniversary of the Challenger disaster. While researching, I came across the story of Bob Ebeling. Ebeling was one of the five engineers who fought to ground the ...

NATICK, Mass. -- "I hate the nomenclature 'whistleblower,'" said Allan McDonald, an engineer who refused to sign off on the launch of the Space Shuttle Challenger. "I'd like to change it to 'truth ...

HOUSTON (CNN) — NASA's Space Shuttle Challenger lifted off 40 years ago with an unusual crew. In addition to six astronauts, the mission took flight with a teacher on board. Christa McAuliffe, the ...

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 ...