| 301. | Why We May Not Be Alone on Earth w/ Janusz Petkowski | 4,610 | Show |
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| 302. | The Antikythera Mechanism Explained with Dr. Tony Freeth | 4,626 | |
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| 303. | TOI 700 d TESS's First Earth-sized Habitable-Zone Planet w/Dr. Joey Rodriguez/Dr. Andrew Vanderburg | 4,648 | |
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| 304. | The Mystery of Planet Nine with Robert Finch | 4,696 | |
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| 305. | Aliens, Cosmic Strings, and the God Equation with Michio Kaku | 4,715 | |
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| 306. | New Evidence Found for Planet 9 with Konstantin Batygin | 5,425 | |
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| 307. | Navy Pilots and Whistleblower Testify at UFO Hearing with Rep. Tim Burchett | 4,825 | |
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| 308. | U.S. Congress investigates UFOs | Here's Why with Rep. Tim Burchett | 4,850 | Show | Counter-Strike: Source
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| 309. | Is it all just a Simulation? with Isaac Arthur | 4,935 | |
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| 310. | Does Planet Nine Exist? Featuring Dr. Konstantin Batygin | 4,948 | |
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| 311. | Not of This Earth: Were There Unidentified Orbiting Objects in 1950? With Beatriz Villarroel | 4,979 | |
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| 312. | Why the Future Will Be Weird with Isaac Arthur | 5,029 | | The Fermi Paradox
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| 313. | Scientist Reacting to the UAP Hearing in Congress with Dr. Jacob Haqq-Misra | 5,121 | |
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| 314. | Better than Earth: Superhabitable Exoplanets with Prof. Abel Mendez | 5,180 | |
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| 315. | What Do We Do if They Are Here? with Avi Loeb | 5,182 | |
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| 316. | Why We May Have Already Found Life On Mars with Dr. Patricia Ann Straat | 5,205 | |
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| 317. | Why We May Be the Only Intelligent Life in the Universe with David Kipping of Cool Worlds | 5,297 | |
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| 318. | Life on Venus? Phosphine found in the Clouds Featuring R.J. Graham | 5,301 | |
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| 319. | The Wow! Signal with Discoverer Dr. Jerry Ehman | 5,337 | |
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| 320. | UFO/UAP Whistleblower David Grusch Clearance Reinstated with Rep. Eric Burlison | 5,583 | |
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| 321. | Do We Live In An Infinite Universe? Featuring Paul Sutter | 5,483 | |
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| 322. | Are We Being Watched? With Dr. Lisa Kaltenegger and Dr. Jackie Faherty | 5,500 | |
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| 323. | Identifying the Unidentified, UFOs with Avi Loeb | 5,577 | |
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| 324. | Do Gamma Ray Bursts Solve the Fermi Paradox? with Dr. James Annis | 5,819 | | The Fermi Paradox
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| 325. | What If They Are Already Here? With Dr. Avi Loeb | 5,890 | Show |
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| 326. | A Quantum Beginning for a Two-Sided Universe with Dr. Neil Turok | 6,080 | |
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| 327. | Breaking News on the Search for Planet Nine with Dr. Konstantin Batygin | 6,135 | |
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| 328. | Envisioning Our Future with Isaac Arthur | 6,170 | |
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| 329. | Could First Contact with Aliens Be Unsettling? with Author Trevor Williams | 6,466 | |
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| 330. | Can We Solve Fermi's Paradox? with Dr. Duncan Forgan | 6,507 | |
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| 331. | Our Spooky Universe with Paul Sutter | 6,666 | |
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| 332. | The Mysterious Interstellar Object Oumuamua With Harvard's Dr. Avi Loeb | 7,056 | Vlog | OUMUAMUA
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| 333. | Why the Solar System May Be Full of Life with NASA Chief Scientist Dr. James Green | 7,327 | |
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| 334. | What a Covert U.S. Government UFO Program Discovered with Colm Kelleher | 11,768 | |
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| 335. | Do We Really Want to Solve Fermi's Paradox? with Stephen Webb | 7,948 | |
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| 336. | Developments in the UFO/UAP Phenomenon with Avi Loeb | 8,125 | |
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| 337. | BLC1 the Proxima Centauri SETI Candidate with Jason Wright | 8,218 | |
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| 338. | The Most Unsettling Solutions to the Fermi Paradox With Stephen Webb | 8,642 | | The Fermi Paradox
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| 339. | The Mystery of the Wow! Signal | 8,672 | |
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| 340. | Why Dinosaurs Would Have Ruled the Earth Featuring Dr. Steve Brusatte | 9,365 | |
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| 341. | Do We Share Earth With Someone Else? With Garry Nolan | 10,260 | Show |
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| 342. | Why Intelligent Life in the Universe May Be Hidden with Isaac Arthur | 11,766 | |
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| 343. | 'We Are Not Alone' UFO Whistleblowers Kickoff New Hearings in Congress With Rep. Tim Burchett | 13,773 | |
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| 344. | The Growing List of Solutions to the Fermi Paradox with Stephen Webb | 14,033 | | The Fermi Paradox
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| 345. | Why The Universe May Be Full Of Alien Civilizations Featuring Dr. Avi Loeb | 16,328 | |
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| 346. | Was There Someone Here Before Us? And Unusual Technosignatures with Jason Wright | 16,418 | |
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| 347. | Why Oumuamua May Have Been The First Sign of Intelligent Life with Dr. Avi Loeb | 16,483 | |
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| 348. | Are There Alien Artifacts in Our Solar System? with Dr. James Benford | 17,621 | |
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| 349. | Can We Travel Faster Than Light? with Dr. Miguel Alcubierre | 18,443 | |
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