NASA NEOWISE Spacecraft Discovers A New Comet, C/2014 C3 Spotted 143 Million Miles From Earth

NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) has had an interesting history, including a former life as an asteroid-hunting spacecraft and later put into hibernation. The space agency woke NEOWISE up for a new three year mission in September 2013 and it has spotted its first comet.