NASA begins the countdown today for the launch of the space shuttle Discovery, the culmination of nearly 21/2 years of safety improvements and management changes since the Columbia tragedy grounded ...

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 ...

On Feb. 1, 2003, the Space Shuttle Columbia disintegrated upon reentering Earth's atmosphere, killing all seven crew members on board. Major Garrett introduces CBS News Radio's coverage from that day.

This 2011 astronaut photo captured one of NASA's iconic space shuttles passing between Earth and the International Space ...