WIRE-CBS  ·   July 23, 2011

NASA searching for life on Mars

- A $2.5 billion, car-sized robot, nicknamed "Curiosity," is NASA's newest unmanned explorer. It's officially called the "Mars Science Laboratory" and it's being sent to Mars to search for signs of life. (July 23) ()

- A $2.5 billion, car-sized robot, nicknamed "Curiosity," is NASA's newest unmanned explorer. It's officially called the "Mars Science Laboratory" and it's being sent to Mars to search for signs of life. (July 23) ()

NASA searching for life on Mars

buildnumber:e16cef