A NASA report on the last minutes of Space Shuttle Columbia cited problems with the crew's helmets, spacesuits and restraints, which resulted in "lethal trauma" to the seven astronauts aboard.

NASA scientists say pending cuts to the space agency could compromise mission safety and pave the way for another tragedy like the 1986 Challenger disaster.

2003-03-11 04:00:00 PDT Washington -- A NASA engineer who raised provocative questions about potential perils facing the Columbia during the space shuttle's final flight insisted Monday that his e ...

For the first time since Columbia went down, "we're in pretty much known territory," said NASA's top spaceflight official, Bill Readdy, a former space shuttle commander.

More than 100 people gathered under a gray sky at Kennedy Space Center to remember not only Columbia’s crew of seven, but the 18 other astronauts killed in the line of duty. NASA’s two shuttle ...

Columbia’s tank was one of the last remaining older, heavier tanks, weighing in at 66,000 pounds. NASA’s newer tank — the super-lightweight version — weighs 58,500 pounds.

NASA's investigation into the Columbia disaster is wide open, the agency saying there's insufficient evidence that damaged heat tiles caused the crash. Meanwhile, another memorial service is held ...

NASA marked the 20th anniversary of the space shuttle Columbia tragedy with somber ceremonies and remembrances during its annual tribute to fallen astronauts on Thursday. More than 100 people ...