Are We Alone? The Search for Alien Life (Full Episode) | UFOs: Investigating the Unknown | Nat Geo

No longer waiting for the government to reveal everything they know about UFOs, citizen scientists and privately funded organizations are making advances in the search for alien life through data collection. In the air and under the seas, exploration continues to push for answers to the ultimate question: Are we alone? UFOs: Investigating the Unknown | S2 E6 "Citizen Scientists Tackle the UFO Phenomenon" Chapters: 00:00 - Citizen Sightings & Independent Science 05:05 - Galileo Project & Citzen Radar Networks 08:32 - Meausring Environmental Signals & Radiation 14:26 - Government Transparency 20:01 - Recovering Interstaller Materials 27:28 - Technosignatures, Physics, & Advanced Propulsion 31:01 - Ultraterrestrial Hypothesis 27:38 - The Cosmic Question Subscribe:    / natgeo   Stream more on Disney+ ➡ Disney Plus: https://www.disneyplus.com/browse/nat... Get unlimited access to National Geographic stories, photography, and more by subscribing today: ➡ National Geographic Magazines: https://natgeo.com/ytngmagazine #NationalGeographic #UFO #InvestigatingTheUnknown #FullEpisode About National Geographic: National Geographic is the world's premium destination for critically acclaimed storytelling around science and exploration. Discover amazing wildlife, ancient civilizations, hidden worlds, and the incredible wonders of our Earth. Through world-class scientists, photographers, journalists, and filmmakers, Nat Geo inspires fans of all ages to connect with, explore, and care about the world. Citizen Scientists Tackle the UFO Phenomenon (Full Episode) | Investigating the Unknown | Nat Geo    • Are We Alone? The Search for Alien Life (F...