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

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

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

NASA observed its annual Day of Remembrance Thursday to commemorate the astronauts killed in the Apollo 1 and space shuttle ...

The Columbia Memorial Space Center will host Astronaut Commemoration Day on Saturday, Jan. 24, offering a free, daylong ...

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

Today is the tenth anniversary of the explosion of the space shuttle Columbia, which blew apart as it was gliding across Texas to a Florida landing. All seven crew members died, and Texans were poking ...

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

CAPE CANAVERAL, Fla. - It was a cold morning in Florida when the last words heard from any of Space Shuttle Challenger’s crew ...

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 ...

CHICAGO - The space shuttle Columbia explosion could not have come at a worse time for Boeing Co. Already suffering from massive declines in its commercial airplane business, the Chicago-based ...