Are we alone? Is anybody out there? Meet the scientists of SETI, the Search for Extraterrestrial Intelligence, who monitor the radio waves of deep space for signs of intelligent life. Discover why scientists agree that life as we know it can exist in many places throughout the universe. Hear incredible firsthand accounts of alien abductions - and learn why SETI astronomers question these mysterious visitations from unearthly beings. National Geographic gives you an insightful look into the fascinating research behind the highly controversial topic of life on other planets in Phantom Quest: The Search for Extra Terrestrials.