For millions of Americans, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy assassination and 9/11. On that chilly January day in 1986, ...

CAPE CANAVERAL, Fla. — This week marks 40 years since the space shuttle Challenger broke apart shortly after liftoff, a tragedy that changed how the United States approaches space travel. On Jan. 28, ...

A ceremony in Titusville, Florida, honored the 17 astronauts lost in NASA's Apollo 1, Challenger and Columbia tragedies. The Challenger shuttle exploded 73 seconds after its January 1986 launch, ...

Corrections & Clarifications: An earlier version of this story misstated the date of the Space Shuttle Columbia disaster. It occurred Feb. 1, 2003. For millions of Americans, it was an event that ...