NASA Science News for Dec. 30, 2014
NASA's ion-propelled Dawn spacecraft has begun its approach to Ceres, a Texas-sized dwarf planet never before visited by a spacecraft.
FULL STORY: http://science.nasa.gov/science-news/science-at-nasa/2014/30dec_dawn/ (http://science.nasa.gov/science-news/science-at-nasa/2014/30dec_dawn/)