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

Forty years later, the Challenger Learning Center is asking the public for their own memories of the 1986 space shuttle ...

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

Their eyes were watching. Some knew something was wrong. Others were slow to realize. Soon everyone came to grief. Forty ...

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

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

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

HOUSTON -- NASA will observe a solemn anniversary today. The Challenger accident happened 30 years ago today. NASA is set to honor the victims of that accident across multiple states today. It is hard ...

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

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 ...

Families and friends gathered at the Kennedy Space Center to commemorate the Challenger disaster's 40th anniversary, which ...

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 ...