CAPE CANAVERAL, Fla. - On a sleepy winter Saturday morning in 2003, most Americans had no idea that seven astronauts were gliding back to Earth after more than two weeks in space. But the whole nation ...

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 ...

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 ...

On February 1, 2003, tragedy struck the space shuttle Columbia, as earlier damage to the craft's left wing caused the shuttle to be destroyed upon reentry, killing all seven astronauts on board. It ...

David Klaus, a retired University of Colorado Boulder professor, was a 23-year-old launch control engineer at NASA when the Challenger spacecraft exploded shortly after liftoff in 1986. When his ...