Mission name: Mars Science Laboratory
Rover name: Curiosity rover
Size: About the size of a small SUV -- 10 feet long (not including the arm), 9 feet wide and 7 feet tall or about the height of a basketball player.
Arm Reach: About 7 feet
Weight: 900 kilograms (2,000 pounds)
Features: Geology lab, rocker-bogie suspension, rock-vaporizing laser and lots of cameras
Mission: To search areas of Mars for past or present conditions favorable for life, and conditions capable of preserving a record of life
Launch: Between Nov. 25–Dec. 18, 2011, from Cape Canaveral, Florida
Arrival at Mars: Between Aug. 6-20, 2012
Length of mission on Mars: The prime mission will last one Mars year or about 23 Earth months.
Check out this animation by NASA, showing the journey of the Curiosity Rover on Mars