The space shuttle Challenger explosion was a defining moment of the 1980s. Whether you were watching on TV or in person, ...

Families of the astronauts lost in the space shuttle Challenger accident are marking that tragic day 40 years ago. All seven ...

Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades ...

A catastrophic failure occurred 73 seconds after liftoff as the shuttle emerged from “Max-Q,” the period of highest ...

It's been 40 years since the Challenger space shuttle, carrying seven people, took off from Florida's Kennedy Space Center, ...

The Space Shuttle Challenger broke apart just 73 seconds after launch on January 28, 1986, killing all seven crew members ...

Read about the tragic Challenger space shuttle disaster and the story of Christa McAuliffe, a teacher who dreamed of going to ...

A nation watched in horror as the space shutter Challenger exploded on Jan. 28, 1986, during a live television broadcast.

Forty years ago, the space shuttle Challenger broke apart shortly after liftoff, killing all seven astronauts aboard. One of ...

Forty years ago, Americans were shocked when the space shuttle Challenger exploded 73 seconds after it launched on a chilly ...

I watched the Challenger shuttle disaster from inside Mission Control - 40 years ago today ...

On Jan. 28, 1986, the Space Shuttle Challenger exploded 72 seconds after launch from Cape Canaveral, killing all seven crew ...