Several submarines were lost in sudden explosions with no signs of enemy attack or external damage. Crews vanished instantly, leaving investigators confused and families without answers. The ocean ...

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 ...

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all 7 crew members. Among the seven crew members were 5 NASA astronauts, as well as a payload specialist ...

Add Yahoo as a preferred source to see more of our stories on Google. The Space Shuttle Challenger explodes shortly after lifting off from Kennedy Space Center, in Florida, on Jan. 28, 1986. All seven ...

It's now been 40 years since New Hampshire school teacher Christa McAuliffe died when the space shuttle Challenger exploded. All seven on board were killed when Challenger broke apart following ...

HOUSTON — Forty years ago, the space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members aboard in a tragedy that shocked the nation and reshaped NASA's approach to ...

On Jan. 28, 1986, the world watched in horror as the Space Shuttle Challenger exploded above the Atlantic Ocean off the coast of Cape Canaveral, Florida, 73 seconds after liftoff, killing all seven ...

A ceremony in Titusville, Florida, honored the 17 astronauts lost in NASA's Apollo 1, Challenger and Columbia tragedies. The Challenger shuttle exploded 73 seconds after its January 1986 launch, ...

"We hope that everyone watching is safe," Whoopi Goldberg said at the top of Monday's broadcast.

A 55-year-old Oakland man is facing felony charges after authorities say he set a device next to a car occupied by two people earlier this month, then walked away as it detonated, shattering the ...