"Changing the Paradigm of Where We Look for Life" --WATCH NASA Mission Control Live: Epic Discoveries & Fiery Death of Cassini's 13-Year Mission (Today's 'Galaxy' Stream)

Mission controllers at NASA's Jet Propulsion Laboratory sent a final command Friday morning to the Cassini spacecraft orbiting Saturn, putting the craft into a suicidal dive, plunging into the ringed planet's atmosphere. Flight Director Julie Webster announced "loss of signal"...