The Pioneer Anomaly: A Mystery in Deep Space

Pioneer 10 left Earth in 1972 to make history in the outer solar system. Why isn't the little probe where it's supposed to be? Guests John Anderson and Slava Turyshev talk about their investigation of the Pioneer Anomaly. Emily Lakdawalla explains why more Cassini photos from Saturn aren't in color, and Bruce Betts has the winners of our contest to name the first Crew Exploration Vehicle...just for laughs.