NASA's web site reports that the launch of the Mars Science Laboratory has been pushed back until Saturday November 26.
The launch of a United Launch Alliance Atlas V carrying NASA's Mars Science Laboratory (MSL) has been delayed one day to allow time for the team to remove and replace a flight termination system battery. The launch is rescheduled for Saturday, Nov. 26 from Space Launch Complex-41 at Cape Canaveral Air Force Station, Florida. The one hour and 43 minute launch window opens at 10:02 a.m. EST.
The Monday, Nov. 21 schedule of prelaunch tours and briefings will remain the same. Rollout of the Atlas V to the launch pad moves to Friday, Nov. 25. The rest of the week's briefings and events are being reevaluated and a new prelaunch schedule will be issued on Monday.
UPDATE Novermber 20, 2011 — Florida Today has a major feature on the Mars Science Laboratory.