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

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

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Author Adam Higginbotham joins John Williams ...

It's been 10 years since the Columbia space shuttle accident, and spaceflight safety has come a long way — but has it come far enough? Experts say traveling to space is still a risky business, and ...

The U.S. space shuttle program, which comes to an end in June, leaves a complicated legacy. No other craft has carried as many crew and as much cargo as the fleet of space planes, but they fell short ...

A memo sent by the Smithsonian said transporting Discovery could swell in price and result in irreparable damage to the space shuttle. On paper, it reads like a riddle: How do you transport a 120-foot ...