If you haven't heard already, the Columbia broke up this morning east of Dallas while coming in for a landing in Florida.
Google News has stories as they come in from various web sites.
CNN also has a story up.
All seven crew members are lost and the cause of the accident is unknown at this time.
Update 15:24 MST
NASA has put up a page about the Columbia with crew biographies and an overview of the STS-107 mission.
Space.com is also posting regular updates about the Columbia disaster.
[ This Message was edited by: moderator on 2003-02-01 15:40 ]