This NASA handout image shows an artist's conception of NASA's Mars Science Laboratory Curiosity rover. NASA said all was well ahead of its nail-biting mission to Mars, with its most advanced robotic ... more 

This NASA handout image shows an artist's conception of NASA's Mars Science Laboratory Curiosity rover. NASA said all was well ahead of its nail-biting mission to Mars, with its most advanced robotic rover poised to hunt for clues about past life and water on Earth's nearest planetary neighbor less