bill: there is a light burning on a dwarf planet. two light spots discovered. nasa space broke danes on an 8-year mission to learn the origin of the solar system. nasa scientists say the spots don't appear to be ice but might be volcanoes. when they find out. martha: a massive snow storm stretches from texas to carolina. the tarheel state could see up to a foot of snow. jonathan serrie reporting from cartersville georgia. north of atlanta where he is. what's it like there?