| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 4 | 1 |  | Science Vs | Spotify Studios | |
| 5 | 24 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 5 | 1 |  | More or Less | BBC Radio 4 | |
| 7 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 5 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 7 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 12 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 11 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 12 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 13 | 12 | B | Boring History for Sleep | Velvet | |
| 14 | 5 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 14 | 2 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 15 | 25 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 16 | — |  | Curious Cases | BBC Radio 4 | |
| 16 | 1 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 17 | — |  | When Science Finds a Way | Wellcome | |
| 17 | 11 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 18 | 2 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 19 | 2 |  | Science Weekly | The Guardian | |
| 21 | 5 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 22 | 17 |  | The Michael Shermer Show | Michael Shermer | |
| 22 | — |  | Babbage from The Economist | The Economist | |
| 23 | — | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 24 | 24 |  | Science Friday | Science Friday and WNYC Studios | |
| 24 | 4 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 27 | 13 |  | Lost Women of Science | Lost Women of Science | |
| 28 | 7 |  | The Psychology Podcast | iHeartPodcasts | |
| 30 | 4 |  | CrowdScience | BBC World Service | |
| 31 | 3 |  | Discovery | BBC World Service | |
| 34 | — |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 36 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 37 | 9 |  | Astrum Space | Astrum | |
| 40 | 25 |  | Alive Again | iHeartPodcasts | |
| 41 | 5 |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 41 | — |  | TED Talks Science and Medicine | TED | |
| 43 | 26 |  | The Horse First: A Veterinary Sport Horse Podcast | Audrey DeClue, DVM | |
| 43 | 9 |  | Nature Podcast | Springer Nature Limited | |
| 44 | 18 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 44 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 45 | 37 |  | Scotland Outdoors | BBC Radio Scotland | |
| 45 | 2 |  | New Books in Medicine | Marshall Poe | |
| 45 | — | H | How This Is Building Me | How This Is Building Me | |
| 46 | — | C | Crossroads | Alarm | |
| 46 | — |  | The Astrophysics Podcast | Paul Duffell | |
| 47 | — | G | GeoPod | GeoPod | |
| 47 | — |  | Deep Insights with Mining Review Africa | Mining Review Africa | |
| 48 | — | T | This Wild Life Conservation Podcast | Amy Turner | |
| 50 | 8 |  | This Week in Space (Audio) | TWiT | |
| 51 | 5 |  | TheThinkingAtheist | The Thinking Atheist | |
| 51 | — | B | BirdTalk | ProItUp Optics | |
| 53 | 124 | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 55 | 70 |  | Living Planet | DW | |
| 55 | — |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 55 | 7 |  | BrainStuff | iHeartPodcasts | |
| 56 | — |  | עושים היסטוריה עם רן לוי Osim Historia With Ran Levi | רשת עושים היסטוריה | |
| 56 | 28 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 57 | 51 |  | This Week in Virology | Vincent Racaniello | |
| 57 | 2 |  | The world, the universe and us | New Scientist | |
| 58 | 18 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 60 | 10 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 60 | 72 |  | Radiowissen | Bayerischer Rundfunk | |
| 61 | 62 |  | Mysterious Universe | 8th Kind | |
| 61 | 107 |  | James Webb Space Telescope | Inception Point Ai | |
| 62 | 13 |  | Universe Today Podcast | Fraser Cain | |
| 66 | 13 | N | National Security Science Podcast | Brenda Fleming, J. Weston Phippen, Whitney Spivey, Los Alamos National Laboratory | |
| 66 | — | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 67 | 30 |  | That UFO Podcast | That UFO Podcast | |
| 68 | — |  | So Cultured Podcast | Liv Grant & Taz Shipley | |
| 70 | 8 | N | New Books in Gender | New Books Network | |
| 71 | 12 |  | Big Picture Science | Big Picture Science | |
| 71 | 17 | D | De Universiteit van Vlaanderen Podcast | Universiteit van Vlaanderen | |
| 71 | — |  | The Joy of x | Steven Strogatz and Quanta Magazine | |
| 72 | 29 |  | The Life Scientific | BBC Radio 4 | |
| 72 | 34 |  | The Orthobullets Podcast | Orthobullets | |
| 75 | 43 | I | International Law | Yale Law School | |
| 76 | 13 |  | COMPLEXITY | Santa Fe Institute | |
| 79 | 45 |  | Short Wave | NPR | |
| 80 | 21 |  | Overheard at National Geographic | National Geographic | |
| 81 | 11 | J | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 81 | 19 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 82 | — | A | Ask the Naked Scientists | Dr Chris Smith | |
| 85 | 6 |  | MinuteEarth | Minute Earth | |
| 87 | 18 | W | Wildest Kruger Stories | Karolina Norée | |
| 89 | 18 | R | Rain and Thunder Storms Podcast | Natural Podcasts | |
| 91 | 50 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 92 | 81 |  | The Science Show | ABC | |
| 93 | 20 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 95 | — |  | New Books in Critical Theory | Marshall Poe | |
| 95 | 12 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 95 | — | F | Farmers Helping Farmers | VicNoTill | |
| 96 | 77 |  | The Micah Hanks Program | Micah Hanks | |
| 96 | 50 |  | Skeptoid | Brian Dunning | |
| 99 | 10 |  | This Week in Cardiology | Medscape | |
| 100 | 47 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 108 | 3 |  | Speaking of Psychology | American Psychological Association | |
| 109 | 35 |  | Rare Earth | BBC Radio 4 | |
| 109 | 10 | F | Farming Today | BBC Radio 4 | |
| 110 | 35 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
