Twenty-five names are carved into the black mirror-finished granite: the Challenger seven, the seven who perished in the Columbia disaster on Feb. 1, 2003, the three killed in the Apollo 1 fire on Jan ...

This week marks forty years since seven astronauts were killed in the space shuttle Challenger accident in 1986. Families of ...

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

Forty years ago, the space shuttle Challenger exploded 73 seconds after liftoff. Seven astronauts were killed, including ...

It’s been 40 years since the Space Shuttle Challenger disaster. It was a day the nation slowly realized something had ...

"I lost my father," Alison Balch said, "but to everyone else, they felt like they lost somebody also." ...

It was a cold morning in Florida when the last words heard by any of Space Shuttle Challenger’s crew were uttered by pilot Michael Smith. The seven members of mission 51-L, the 25th space shuttle ...

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

In the aftermath of the Challenger disaster, NASA quietly explored Shuttle C, an uncrewed heavy lift vehicle built from Space Shuttle hardware to carry massive cargo into orbit. On paper it promised ...

For 73 seconds, a crowd of excited Americans looked to the sky in wonder and awe as they waved goodbye to the crew aboard ...

The 40th anniversary of the Challenger disaster cast a shadow over NASA's annual Day of Remembrance event inside the Space ...