Space Shuttle Columbia disaster didn’t begin during re-entry. It began 16 days earlier, with something NASA believed was harmless. In 2003, Columbia launched on what appeared to be a routine mission.

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 ...

It's been 20 years since space shuttle Columbia broke apart during reentry, killing the entire crew of seven. NASA had high hopes for Columbia's 28th mission. It rocketed into space on Jan. 16, 2003, ...

Seven astronauts were killed in the 1986 space shuttle Challenger disaster. Because a teacher was aboard, millions of schoolchildren watched the event live in school. Forty years later, many of those ...

CAPE CANAVERAL ” Discovery and seven astronauts blasted into orbit Tuesday on America’s first manned space shot since the 2003 Columbia disaster, ending a painful, 2 1/2-year shutdown devoted to ...

PRESIDENT. KAREN TRAVERS, ABC NEWS THE WHITE HOUSE. NASA IS HOLDING ITS DAY OF REMEMBRANCE TO HONOR PEOPLE WHO HAVE LOST THEIR LIVES PURSUING SPACE EXPLORATION. THIS COMES AS WE APPROACH 40 YEARS ...

CAPE CANAVERAL, Fla. — NASA marked the 20th anniversary of the space shuttle Columbia tragedy Thursday with somber ceremonies and remembrances during its annual tribute to fallen astronauts. More than ...

The two solid rocket boosters flew in different directions as the external fuel tank became a fireball.(AP: Bruce Weaver / File) Forty years ago, the Challenger space shuttle disintegrated just after ...