NASA offers view of shuttle launch online
Space agency hosts video and audio of space shuttle launch on Web site.
NASA is allowing the public to view a real-time video and audio feed of the upcoming launch of the Endeavour mission.
According to the agency's latest update, the crew is on board, the hatch is closed, and the agency is more or less waiting to begin the countdown to launch.
You can find the feed by going here and following the link for NASA TV. The shuttle is scheduled to launch at 6:36 p.m. Eastern time.