Melroy says the Columbia disaster had a substantial impact on NASA, as did two other major disasters: the Apollo 1, which caught fire during a pre-launch test in 1967, and the Challenger, which ...

The Columbia disaster occurred on Feb. 1, 2003 when the space shuttle broke apart, killing its entire crew. An investigation led to changes in NASA procedures.

The 2003 Columbia disaster forever changed NASA’s approach to risk. Here are some key ways that the tragedy shaped modern rocketry.

That 1986 disaster had resulted in a towering wave of public anger at NASA, mainly because top officials had been advised very specifically to scrub the launch. Simply put, the weather was too ...

Melroy says the Columbia disaster had a substantial impact on NASA, as did two other major disasters: the Apollo 1, which caught fire during a pre-launch test in 1967, and the Challenger, which ...

The CAIB explained NASA's outlook by pointing to the Space Shuttle program's record -- there were 24 successful launches before the Challenger disaster and a further 87 successful launches through ...

The 2003 Columbia disaster forever changed NASA’s approach to risk. Here are some key ways that the tragedy shaped modern rocketry.

From the archives: Watch CBS News coverage of the Space Shuttle Columbia disaster on Feb. 1, 2003, in the video above. Twenty years ago this Wednesday — on Feb. 1, 2003, at 8:48:39 a.m. EST ...

Twenty years ago today, the space shuttle Columbia broke apart 16 minutes before it was scheduled to land at Kennedy Space Center in Florida. The seven astronauts on board would never make it back … ...

Seven astronauts died when the Space Shuttle Columbia disintegrated upon reentry on Feb. 1, 2003. NASA Deputy Administrator Pam Melroy looks back on the tragedy and how it shaped the agency. Twenty ...

Seven astronauts died when the Space Shuttle Columbia disintegrated upon reentry on Feb. 1, 2003. NASA Deputy Administrator Pam Melroy looks back on the tragedy and how it shaped the agency.