| 101. | New Repeating Fast Radio Bursts Detected From Deep Space Featuring Shriharsh Tendulkar | 126,812 | |
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| 102. | Searching for Alien Megastructures with Dr. Jason Wright | 126,426 | |
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| 103. | New Searches for Dyson Spheres Found Something Featuring Jason Wright | 126,213 | |
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| 104. | The Spooky Universe: Cosmological Time Dilation With Dr. Geraint Lewis | 125,424 | Vlog |
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| 105. | Are Alien Civilizations Sending Signals in Bacteria? with Dr. Robert Zubrin | 124,292 | | Bacteria
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| 106. | Looking for Technosignatures on the Moon with Dr. James Benford | 123,165 | |
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| 107. | Planet Nine and Alien Life with Parallax Nick | 122,333 | |
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| 108. | Why Are We Alone? Fermi Paradox Solutions With Author Trevor Williams | 122,178 | | The Fermi Paradox
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| 109. | Using Earth to See Across the Universe: The Terrascope with Dr. David Kipping | 121,857 | |
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| 110. | Aliens, Cosmic Strings, and the God Equation with Michio Kaku | 120,506 | |
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| 111. | Is Anyone Else Out There? with Dan Werthimer | 120,286 | |
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| 112. | How Does SETI Search for Alien Civilizations? With Seth Shostak | 120,038 | |
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| 113. | Planet X Orbit Discovered? With Amir Siraj | 119,316 | |
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| 114. | Strange Signals Coming From the Center of The Galaxy with Dr. Tara Murphy | 118,450 | |
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| 115. | Is Oumuamua One of the Rarest Objects in the Universe? with Darryl Seligman | 118,381 | | OUMUAMUA
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| 116. | Could There Be Alien Artifacts Orbiting Us? With Dr. Avi Loeb | 117,876 | |
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| 117. | The Hunt for the Interstellar Meteor: Avi Loeb on Location | 116,301 | |
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| 118. | Urban Legends From Space with Author Bob King | 115,539 | |
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| 119. | Is the Universe a Code? with Nick Bostrom | 115,311 | |
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| 120. | Is Artificial Sentience Here? with Blake Lemoine | 114,060 | |
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| 121. | The Voyager Record with Timothy Ferris | 113,897 | | The Voyager
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| 122. | How To Colonize The Moon And Mars Featuring Author of The Martian Andy Weir | 113,259 | Guide |
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| 123. | Why the Universe May End at Any Moment With Prof. Geraint Lewis | 113,126 | |
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| 124. | Is Climate Change a Fermi Paradox Great Filter? Featuring Adam Frank | 112,236 | | The Fermi Paradox
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| 125. | There is New Evidence for Life on Mars with Kevin Hand | 111,205 | |
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| 126. | Why Don't We Live Around a Red Sun? Featuring Prof. David Kipping from Cool Worlds | 109,309 | |
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| 127. | Can We Find Intelligent Life? With Dr. Jill Tarter | 108,688 | |
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| 128. | What is the Source of the Wow! Signal? With Alberto Caballero | 108,190 | |
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| 129. | Are They Already Here? Fermi Paradox Solutions w/ Jacob Haqq-Misra and Thomas Fauchez | 107,214 | |
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| 130. | What a Pentagon Scientist Found Out About UFOs with Dr. Sean Kirkpatrick | 105,758 | |
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| 131. | Where Will We Find Intelligent Life? Near or Far with Dr. Ravi Kopparapu | 105,598 | |
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| 132. | Can the James Webb Space Telescope Find Alien Life? w/ Jacob Haqq-Misra | 104,381 | |
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| 133. | 8 Candidate Alien Signals From 5 Stars Found by AI Algorithm with Dr. Cherry Ng and Peter Ma | 103,575 | |
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| 134. | Could Alien Tech Be Close to Us? With Dr. Ravi Kopparapu | 103,564 | |
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| 135. | New Origin of Life Research Shows Alien Life may be Common with Dr. Steven Benner | 103,419 | Show |
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| 136. | What If We're Alone Featuring Fraser Cain | 103,097 | Show |
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| 137. | What is Planet Nine? with Harvard's Amir Siraj | 101,704 | |
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| 138. | New Dark Oxygen Discovery May Disturb You | Peter Schroedl | 101,558 | |
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| 139. | Can We Detect Faster Than Light Travel? | 101,397 | |
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| 140. | What BLC1 Could Be With Dr. Avi Loeb | 100,644 | |
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| 141. | Is 'Oumuamua a Light Sail? Featuring Dr. Avi Loeb | 98,896 | |
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| 142. | Has Planet 9 Been Found? w/ Prof. Michael Rowan-Robinson | 98,835 | |
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| 143. | BREAKING The WTF Star KIC 8462852 is Dimming Again Right on Schedule featuring Gary Sacco | 98,615 | |
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| 144. | Where Did the Wow Signal Come From? w/ Alberto Caballero | 98,079 | |
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| 145. | JWST Found Hints of Biological Activity at K2-18b with Dr. Nikku Madhusudhan | 97,466 | |
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| 146. | Why Venus May Have Life with Dr. Janusz Petkowski | 97,023 | Show |
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| 147. | What is the Future of Astronomy? Featuring Fraser Cain | 94,795 | |
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| 148. | Are We Wrong About the Fermi Paradox? w/ Avi Loeb | 94,544 | |
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| 149. | Are Wormholes Real? With Dr. Dejan Stojkovic | 94,352 | |
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| 150. | Grabby Aliens The Worst Case Scenario With Robin Hanson | 92,447 | |
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| 151. | Down to Earth: Limits on Unidentified Aerial Phenomena with Avi Loeb | 91,971 | |
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| 152. | Navy Pilots and Whistleblower Testify at UFO Hearing with Rep. Tim Burchett | 91,817 | |
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| 153. | Can SpaceX Get Starship to Mars? Featuring Fraser Cain | 90,616 | |
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| 154. | Does Venus Have Life? With Dr. Janusz Petkowski | 89,436 | |
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| 155. | Is Our Understanding of the Universe Wrong? Featuring Paul Sutter | 89,162 | |
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| 156. | Are We Alone? w/ Janusz Petkowski | 88,860 | |
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| 157. | Would an Alien look anything like us? with Phil Plait the Bad Astronomer | 87,933 | | Alien Sky
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| 158. | The Universe's Endgame with Christian Ready | 87,180 | |
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| 159. | There Are Discrepancies in Physics with Dr. Brian Keating | 87,111 | |
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| 160. | How to Understand an Alien with Andy Weir | 86,702 | Guide |
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| 161. | What is Causing the Mysterious Dimming of Betelgeuse? with Dr. Andrea Dupree | 86,560 | |
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| 162. | Unsettling New JWST Data Hints We're Inside a Black Hole | Lior Shamir | 86,451 | |
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| 163. | James Webb Space Telescope is Fully Deployed with Project Scientist Klaus Pontoppidan | 85,526 | Show |
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| 164. | Surprising New Discoveries Made by James Webb with Dr. Allison Kirkpatrick | 85,307 | |
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| 165. | The Most Unsettling Science and Science Fiction Ideas with Isaac Arthur | 85,281 | |
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| 166. | Is Our Understanding of Life Wrong? With Dr. Janusz Petkowski | 84,883 | |
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| 167. | JWST, Teleportation, and Living Forever with Isaac Arthur | 84,755 | Show |
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| 168. | Aliens are Hard to Find with Prof. Sara Seager | 84,225 | |
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| 169. | Can Humans Travel Through Wormholes? with Prof. Juan Maldacena | 83,730 | |
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| 170. | What if There Were Nothing? With host of Closer to Truth Robert Lawrence Kuhn | 83,420 | |
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| 171. | The Spooky Galactic Underworld with David Sweeney | 82,959 | |
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| 172. | Tabby's Star KIC 8462852: The Mystery Continues with Gary Sacco | 82,050 | |
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| 173. | Do We Live In A Multiverse? Featuring Brian Keating | 80,978 | |
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| 174. | Why We Should Search the Center of the Galaxy for Alien Civilizations with Dr. Claudio Maccone | 80,941 | |
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| 175. | Is There a Hidden Fifth Force? With Dr. Yu-Dai Tsai | 80,586 | Show |
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| 176. | A.I. Wars, The Fermi Paradox and Great Filters with David Brin | 80,566 | |
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| 177. | Why the First Interstellar Object and Alien Technology May Have Been Found with Dr. Avi Loeb | 80,410 | Vlog |
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| 178. | Will There Be Another Oumuamua? with Yale's Darryl Seligman | 79,781 | |
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| 179. | The Science and Politics of Non-Human Intelligence with Garry Nolan and Peter Skafish | 79,648 | Show |
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| 180. | Do Planet Nine and Planet X Exist? With Amir Siraj | 79,377 | |
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| 181. | Is the Standard Model of Cosmology Wrong? | Dr. Or Graur | 79,364 | |
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| 182. | Is Contacting Aliens Safe? With Dr. David Grinspoon | 78,886 | |
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| 183. | Are We Martians? With Dr. Robert Zubrin | 78,410 | |
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| 184. | Did James Webb Telescope find the Strangest Galaxy in the Universe? With Mirko Curti | 78,158 | |
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| 185. | Habitable Exomoons? w/ David Kipping of Cool Worlds | 77,556 | |
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| 186. | Are Aliens Trying to Signal Us? with Seth Shostak | 77,474 | |
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| 187. | How to use Alien Relay Probes For a Galactic Internet | with John Gertz | 77,350 | Guide |
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| 188. | Why Does the Pope have an Observatory? W/Director of the Vatican Observatory Br. Guy Consolmagno | 76,998 | |
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| 189. | Bizarre Pulsars and New Unexplained Radio Signals with Dr. Ryan S. Lynch | 76,406 | |
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| 190. | Plumes of Water Vapor Detected on Europa with Dr. Lucas Paganini | 76,257 | |
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| 191. | Can They See Us? With Dr. Lisa Kaltenegger and Jonathan Barrientos | 75,222 | |
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| 192. | Is There Oil on Mars? With Dr. John McGowan | 75,074 | |
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| 193. | Why Homo Floresiensis May Still Be Around with Dr. Gregory Forth | 74,869 | |
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| 194. | U.S. Congress Will Hold More UAP Hearings | Here’s Why w/ Rep. Raja Krishnamoorthi | 74,457 | Show |
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| 195. | A Beacon in the Galaxy to Message ET w/ Dr. Jonathan Jiang, Kristen Fahy, and Stuart Taylor | 74,413 | |
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| 196. | Why We’re in the Age of Mammals with Steve Brusatte | 73,837 | |
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| 197. | The Dyson Sphere Debate and Von Neumann Probes w/ Dr. Zaza Osmanov | 73,443 | |
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| 198. | Hidden History of the Ancient World with Dr. Garrett Ryan | 73,381 | |
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| 199. | What Are The Chances of us Detecting an Alien Civilization? With Dr. James Annis | 73,275 | |
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| 200. | Artificial Green Stars? w/ David Kipping | 73,183 | |
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