Scientist: No Worries Surround Mars Rover Curiosity

Scientists say the Mars Rover Curiosity is doing exactly what it was designed to do and NASA engineers are ecstatic. The science laboratory is designed to pull samples from Mars’ surface to determine if life may have existed on the red planet. Images have already started coming in. Conan Nolan reports from La Canada Flintridge for the NBC4 News at 4 p.m. on August 6, 2012.