| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 1 |  | Curious Cases | BBC Radio 4 | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 4 | 2 |  | More or Less | BBC Radio 4 | |
| 5 | 1 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 6 | 5 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | — |  | The Nature Of with Willow Defebaugh | Atmos | |
| 7 | 3 |  | Science Weekly | The Guardian | |
| 8 | 3 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 9 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 9 | 1 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 10 | — |  | Science Vs | Spotify Studios | |
| 11 | 4 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 12 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 12 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 13 | 12 |  | The world, the universe and us | New Scientist | |
| 13 | 6 | B | Boring History for Sleep | Velvet | |
| 14 | — |  | BBC Inside Science | BBC Radio 4 | |
| 14 | 2 |  | Unexplainable | Vox | |
| 17 | — |  | Scotland Outdoors | BBC Radio Scotland | |
| 17 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 18 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 20 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 21 | 2 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 21 | 38 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 21 | 11 |  | Astrum Space | Astrum | |
| 21 | — |  | Naturebang | BBC Radio 4 | |
| 22 | 13 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 22 | — | F | Farming Today | BBC Radio 4 | |
| 23 | 44 |  | Mysterious Universe | 8th Kind | |
| 23 | — |  | Mind & Life | Mind & Life Institute | |
| 23 | 142 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 24 | 10 |  | CrowdScience | BBC World Service | |
| 24 | — | N | Naturefile | RTÉ lyric fm | |
| 24 | 28 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 25 | 26 |  | Discovery | BBC World Service | |
| 26 | — |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 27 | 1 | C | Climate change - off the record | Dr Clare Noone and Dr Róisín Moriarty | |
| 27 | 13 |  | Leaked | TFLabs | |
| 28 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 28 | 3 | N | New Books in Political Science | New Books Network | |
| 29 | — | R | Rebel Economics with Dr. Steve Keen | Dr. Steve Keen | |
| 29 | 12 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 30 | 17 |  | Babbage from The Economist | The Economist | |
| 30 | 7 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 30 | — | G | Genetics Unzipped | The Genetics Society | |
| 31 | 1 |  | Mystères et étoiles | Zebroloss | |
| 31 | 3 | T | The Psychology Perspective | ellie2302d | |
| 31 | 39 |  | TED Talks Science and Medicine | TED | |
| 32 | 11 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 32 | — |  | Diet Doctor Podcast | dietdoctorpodcast | |
| 33 | 2 |  | 聽起來很科學 | 台灣科學人股份有限公司 | |
| 34 | 72 |  | Instant Genius | Our Media | |
| 35 | 77 |  | Great Mysteries of Physics | The Conversation | |
| 35 | 2 | B | Blood Bank Guy Videos | Joe Chaffin, MD | |
| 36 | 20 | C | CountryWide | RTÉ Radio 1 | |
| 36 | 153 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 37 | 149 |  | Future Ecologies | Future Ecologies | |
| 37 | 15 |  | Planet Em | Emily McDonald | |
| 37 | 4 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 39 | — | C | Crazy Nauka | Ola i Piotr Stanisławscy | |
| 40 | — | V | VoxTalks Economics | VoxTalks | |
| 41 | — | P | Platypod, The CASTAC Podcast | CASTAC | |
| 42 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 42 | 14 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 43 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 43 | — |  | The Social Work Podcast | Jonathan B. Singer, Ph.D., LCSW | |
| 44 | 137 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 45 | 18 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 46 | 24 | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 46 | — | W | Wild Lives | Our Media | |
| 49 | — |  | A Life More Wild | Canopy & Stars | |
| 49 | — |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 50 | 17 | T | The Dairy Trail | Agriland Media | |
| 52 | — |  | Unexpected Elements | BBC World Service | |
| 52 | 3 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 54 | — |  | Universe Today Podcast | Fraser Cain | |
| 56 | 44 | I | In Your Nature | By BirdWatch Ireland | |
| 57 | 40 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 57 | — | C | Chris Skinner's Countryside Podcast | SOUNDYARD | |
| 58 | 23 |  | Speaking of Psychology | American Psychological Association | |
| 58 | 15 | N | New Scientist Weekly | New Scientist | |
| 59 | — |  | The Michael Shermer Show | Michael Shermer | |
| 60 | — |  | Nature Podcast | Springer Nature Limited | |
| 61 | 10 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 62 | 36 |  | The Common Descent Podcast | Common Descent | |
| 62 | — |  | The Wild with Chris Morgan | KUOW News and Information | |
| 64 | — |  | Regenerative Agriculture Podcast | John Kempf | |
| 65 | 1 |  | The Plodcast | Our Media | |
| 65 | 45 | U | Upland Voices Podcast - ACRES Donegal | Aileen Collery | |
| 66 | — |  | Somewhere in the Skies | SpectreVision Radio | |
| 66 | 26 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 67 | 18 |  | The Life Scientific | BBC Radio 4 | |
| 68 | — |  | Physics World Weekly Podcast | Physics World | |
| 69 | — |  | Short Wave | NPR | |
| 72 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 73 | 41 |  | Science In Action | BBC World Service | |
| 73 | 49 | T | This Natural Life | BBC Radio 4 | |
