Why We May Be Surrounded by Older Alien Civilizations Published 2020-11-01 Download video MP4 360p Download video MP4 720p Recommendations 27:48 Are Alien "Lurkers" Watching You? 34:35 Why You're Probably Not a Simulation 28:39 Betelgeuse Explained 22:04 Why Black Holes Break The Universe 20:14 What if Humans Are NOT Earth's First Civilization? | Silurian Hypothesis 15:40 Ancient Aliens: Galactic Origins of Crop Circles 35:10 Watching the End of the World 38:47 Why We Haven't Found Any Earth-Like Planets 28:49 Does Quantum Entanglement Allow for Faster-Than-Light Communication? 18:47 Ancient Aliens: Mystic Mysteries of the Mayans 3:47:10 David Kipping: Alien Civilizations and Habitable Worlds | Lex Fridman Podcast #355 25:23 What the Hell Happened to Venus? 27:49 The Fermi Paradox Has An Incredibly Simple Solution 23:16 The Problem With "The Rare Earth Hypothesis" 27:30 The Wow! Signal After 45 Years 31:48 Artificial Gravity 11:10 How Big is The Universe? 16:52 The Star That Shouldn't Exist 1:48:04 LIFE BEYOND: Visions of Alien Life. Full Documentary Remastered (4K) 16:32 Becoming a Kardashev Type I Civilization Similar videos 12:27 How Old Could the First Alien Civilizations Be? 2:18:50 Anna Frebel: Origin and Evolution of the Universe, Galaxies, and Stars | Lex Fridman Podcast #378 1:56:46 You Have To See This! Our History Is NOT What We Are Told! Ancient Civilizations - Graham Hancock 25:47 10 Ways We May Have Already Detected Alien Life 1:21:06 Why Can't We See Evidence of Alien Life? | Documentary 24:20 10 Unpleasant Alien Civilization Scenarios 1:51:36 What Will Humanity Do If We Ever Discover Aliens? 1:50:01 After Babel: Talking to Aliens & the Mathematics of Communication 1:56:00 Pre-Egyptian Technology Left By an Advanced Civilization That Disappeared 18:46 The Most Advanced Civilization That Scares Scientists 1:27:12 Baffling Moon Anomalies: "I Can Promise You, The Moon Belongs to An Extraterrestrial Civilization" 12:13 We May Have Found Evidence Of Powerful Civilizations 56:12 How Early Could Life Have Appeared In The Universe? 19:50 10 Ways SETI Might Detect Alien Civilizations And What They Might Be Like 42:40 We Are the Aliens | Life's Interstellar Journey to Earth: Panspermia 11:31 Would the Public Be Told if We Discovered Alien life? 54:04 Why We May Be the Only Intelligent Life in the Universe with David Kipping of Cool Worlds 17:07 Why We Can Never Find a Type 7 Civilization 14:18 Fermi Paradox: The Singularity and Dormant Civilizations More results