The car-sized Mars Science Laboratory, named Curiosity, is scheduled to launch in November 26 at 7:02 a.m. PST (10:02 a.m. EST) and land in Gale Crater on August 2012. The launch window is between November 25 and December 18.
Mars Science Laboratory is part of NASA's Mars Exploration Program and is a rover that will assess whether Mars ever was, or is still today, an environment able to support microbial life. Its mission is to determine the planet's "habitability."
To know more about: Mars Science Laboratory