This coming Wednesday, Jan. 28, will mark the 40 year anniversary of the Challenger explosion, one of the biggest tragedies in NASA history, which killed seven crew members aboard the space shuttle.

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 ...

Twenty-five names are carved into the black mirror-finished granite: the Challenger seven, the seven who perished in the ...

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

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

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 ...

Ohio native Judith Resnik was a mission specialist on the doomed Space Shuttle Challenger when it exploded shortly after ...

NASA held its annual Day of Remembrance on Thursday to honor those who lost their lives in the pursuit of space exploration.