| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 6 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 3 |  | Science Vs | Spotify Studios | |
| 8 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 9 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | 5 |  | More or Less | BBC Radio 4 | |
| 11 | 6 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 12 | 2 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 14 | 7 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 16 | 3 | B | Boring History for Sleep | Velvet | |
| 17 | 3 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 19 | 8 |  | Lost Women of Science | Lost Women of Science | |
| 20 | 3 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 21 | 3 |  | Science Friday | Science Friday and WNYC Studios | |
| 22 | 5 |  | When Science Finds a Way | Wellcome | |
| 24 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 25 | 56 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 26 | 10 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 27 | 11 |  | Curious Cases | BBC Radio 4 | |
| 30 | 19 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 31 | 23 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 32 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 33 | 11 |  | Babbage from The Economist | The Economist | |
| 34 | 16 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 35 | 11 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 37 | 7 |  | CrowdScience | BBC World Service | |
| 38 | 2 |  | Alive Again | iHeartPodcasts | |
| 40 | 71 |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 42 | 30 |  | The Orthobullets Podcast | Orthobullets | |
| 43 | 52 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 47 | 63 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 48 | 13 |  | James Webb Space Telescope | Inception Point Ai | |
| 49 | — | I | Interconnected | Jake Robinson | |
| 50 | 59 |  | Rare Earth | BBC Radio 4 | |
| 51 | 57 |  | Speaking of Psychology | American Psychological Association | |
| 54 | 111 | T | The Art of Mathematics | Carol Jacoby | |
| 55 | 40 |  | New Books in Critical Theory | Marshall Poe | |
| 56 | 129 |  | The Numberphile Podcast | Brady Haran | |
| 57 | 84 |  | Quirks and Quarks | CBC | |
| 59 | 23 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 60 | — |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 61 | — |  | Bringing Chemistry to Life | Thermo Fisher Scientific | |
| 63 | 48 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 65 | — |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 66 | — | T | Theory of Relativity by Albert Einstein | Inception Point Ai | |
| 69 | — | T | The Universe Speaks in Numbers | Faber and Faber | |
| 70 | — | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 71 | — | B | Biostatistics Podcast | Jocelyn Chen | |
| 72 | — |  | The Cartesian Cafe | Timothy Nguyen | |
| 73 | — | H | Human Action: A Treatise on Economics | Ludwig von Mises | |
| 76 | 33 |  | The Horse First: A Veterinary Sport Horse Podcast | Audrey DeClue, DVM | |
| 77 | 61 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 78 | 21 |  | The world, the universe and us | New Scientist | |
| 80 | 61 |  | Science Weekly | The Guardian | |
| 81 | 2 |  | Short Wave | NPR | |
| 82 | 39 |  | Nature Podcast | Springer Nature Limited | |
| 85 | 5 |  | Overheard at National Geographic | National Geographic | |
| 86 | 42 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 90 | 34 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 91 | 44 | G | GeoPod | GeoPod | |
| 92 | 32 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 93 | 16 | F | Farming Today | BBC Radio 4 | |
| 95 | 40 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 96 | 35 |  | Mysterious Universe | 8th Kind | |
| 97 | 44 | ![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 | |
| 98 | 57 |  | TED Talks Science and Medicine | TED | |
| 99 | 52 |  | Deep Insights with Mining Review Africa | Mining Review Africa | |
| 101 | 55 | C | Crossroads | Alarm | |
| 103 | 52 | B | BirdTalk | ProItUp Optics | |
| 104 | 38 | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 106 | 61 | H | How This Is Building Me | How This Is Building Me | |
| 108 | 87 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 109 | 58 |  | TheThinkingAtheist | The Thinking Atheist | |
| 110 | 48 |  | Universe Today Podcast | Fraser Cain | |
| 112 | 21 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 112 | 89 | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 113 | 56 |  | This Week in Virology | Vincent Racaniello | |
| 114 | 59 |  | BrainStuff | iHeartPodcasts | |
| 115 | 48 |  | That UFO Podcast | That UFO Podcast | |
| 116 | 27 | R | Rain and Thunder Storms Podcast | Natural Podcasts | |
| 117 | 83 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 118 | 74 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 119 | 64 |  | Living Planet | DW | |
| 120 | 16 |  | Robinson's Podcast | Robinson Erhardt | |
| 121 | 84 |  | Astrum Space | Astrum | |
| 122 | 76 |  | The Astrophysics Podcast | Paul Duffell | |
| 123 | 20 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 123 | — |  | NRC Onbehaarde Apen | NRC | |
| 125 | — | T | The Alcohol 'Problem' Podcast | James Morris | |
| 126 | 4 | T | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 128 | — |  | Hematologic Oncology Update | Dr. Neil Love | |
| 130 | 37 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 131 | 44 | W | Wildest Kruger Stories | Karolina Norée | |
| 134 | 93 |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 134 | — | T | Talking Euretina | Whipsmart Media | |
| 135 | 63 |  | The Life Scientific | BBC Radio 4 | |
| 137 | 69 |  | So Cultured Podcast | Liv Grant & Taz Shipley | |
| 138 | 2 |  | Green Cover Podcast | Keith Berns | |
| 139 | 12 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
