Gazing up from Earth, the Universe looks like a peaceful place where placid stars pass across the night sky. 'The Most Dangerous Place in the Universe' journeys to realms with exploding stars and mysterious black holes. 'Search for ET' shows mankind's dramatic quest to answer one of its oldest and most profound questions: Are we alone? 'Beyond the Big Bang' tells the story of how mathematicians and physicists postulated, refined and then tested this amazing model of the cosmos' origins.