National Aeronautics and Space Administration April 18, 2018 6:43 pm NASA's Tess Spacecraft on Quest to Find New Planets NASA’s Tess spacecraft embarked Wednesday on a quest to find new worlds around neighboring stars that could support life. US & World Videos 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami 1:17 Patriots player visits Franciscan Children's Hospital 5:54 Pro-Palestinian protest taking over college campuses 2:47 AI pharmacist? Brigham testing new tech to assist docs, pharmacists 1:39 Patriots superfan slams Tom Brady's ‘crap autograph'