Three years ago, the shuttle Columbia was destroyed by just such an event.

The shuttle Columbia set the record for delays before a flight.

Nearly three months after the breakup of the shuttle Columbia, the road ahead for investigators is beginning to look longer.

The shuttle Columbia is now the first scheduled to return to space after the fleet was grounded three weeks ago.

So as investigators try to determine how the shuttle Columbia was lost, space debris is a suspect.

Start with what you know, in this case that the shuttle Columbia was lost as it returned to Earth.

The crew of the shuttle Columbia did not return safely to Earth.

The space agency called off the launching of the shuttle Columbia this morning after problems were discovered in a navigation device.

Behind the News - The flight will be only the second since the loss of the shuttle Columbia more than three years ago.

She was assigned to the shuttle Columbia as a mission specialist and prime robotic arm operator.