Cassini Visits Phoebe at Saturn!

The huge Cassini-Huygens probe finally reached its first major objective in the Saturn system. Planetary scientist Elizabeth 'Zibi' Turtle talks about what Cassini has shown us of tiny moon Phoebe, and looks forward to exploration of mysterious Titan. Emily Lakdawalla is looking for life on Titan, and Bruce Betts visits Legoland in southern California for a special outdoor edition of What's Up!