Andrew Chaikin's Passion for Mars

The author of A Man on the Moon has just written A Passion for Mars: Intrepid Explorers of the Red Planet. He talks about this inspiring new work from his Vermont home. Is the Cassini mission to Saturn a failure? Emily Lakdawalla responds with a resounding "NO!" Bruce Betts and Mat Kaplan celebrate another week of spectacular night skies in What's Up and announce their latest space trivia contest.