Europe's Rosetta On Its Way to a Comet

Project Scientist Gerhard Schwehm reports on Rosetta's recent successful flyby of Mars and what's in store for the spacecraft even before it goes into orbit around a comet and launches a lander. Emily Lakdawalla catches the heartbeat of Saturn as she explains the inner rotation of such gas giant planets, while Bruce Betts tells Mat Kaplan about the latest wonders in the night sky and announces a new space trivia contest.