NASA has just announced the details of its next Mars mission, Curiosity, which will take off between November 25 and December 18, 2011. Curiosity is scheduled to land on Mars between August 6 and August 20, 2012. The rover, also known as the Mars Science Laboratory, will study the Martian surface for conditions favoring the development of microbial life. NASA plans to let Curiosity explore Mars for a full Martian year, or two Earth years.