| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 8 | B | Boring History for Sleep | Velvet | |
| 4 | 7 |  | More or Less | BBC Radio 4 | |
| 4 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 2 |  | Radiolab | WNYC Studios | |
| 5 | 1 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 7 | 2 |  | Unexplainable | Vox | |
| 8 | — |  | Science Weekly | The Guardian | |
| 8 | 5 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 9 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 10 | 5 |  | The world, the universe and us | New Scientist | |
| 11 | 6 |  | Science Vs | Spotify Studios | |
| 11 | 9 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 11 | 8 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 12 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 6 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 15 | 1 | C | Changing Minds with Owen Fitzpatrick | Owen Fitzpatrick | |
| 16 | 14 | T | This Natural Life | BBC Radio 4 | |
| 16 | — | T | The Human Subject | BBC Radio 4 | |
| 17 | 16 |  | CrowdScience | BBC World Service | |
| 18 | 5 |  | Speaking of Psychology | American Psychological Association | |
| 18 | 3 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 19 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 19 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 19 | 9 |  | Discovery | BBC World Service | |
| 20 | 5 |  | BBC Inside Science | BBC Radio 4 | |
| 21 | 21 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 21 | 10 |  | Short Wave | NPR | |
| 22 | 18 |  | Babbage from The Economist | The Economist | |
| 22 | 21 | T | The Psychology Perspective | ellie2302d | |
| 22 | 10 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 23 | 166 |  | Overheard at National Geographic | National Geographic | |
| 23 | 14 |  | SOIL: Rewilding the Underground | Freya Mulvey | |
| 24 | 12 |  | The Pulse | WHYY | |
| 24 | 2 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 27 | 38 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 27 | — |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 28 | 1 |  | Ask a Spaceman! | Paul M. Sutter | |
| 28 | 13 |  | Astrum Space | Astrum | |
| 29 | 16 |  | Naturebang | BBC Radio 4 | |
| 30 | 17 |  | Drilled | Pushkin Industries | |
| 30 | 76 | I | In Your Nature | By BirdWatch Ireland | |
| 30 | 16 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 30 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 30 | — |  | The Horse First: A Veterinary Sport Horse Podcast | Audrey DeClue, DVM | |
| 31 | 22 |  | Ancient Aliens | PodcastOne | |
| 31 | 3 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 33 | 33 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 33 | 30 | C | CountryWide | RTÉ Radio 1 | |
| 34 | 15 |  | The Episodic Table of Elements | T. R. Appleton | |
| 34 | 1 |  | iNTO THE FRAY RADIO - Encounters with the Paranormal | SpectreVision Radio | |
| 35 | 15 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 36 | 97 | N | Naturefile | RTÉ lyric fm | |
| 36 | 8 |  | The Michael Shermer Show | Michael Shermer | |
| 36 | 100 | T | The Abnormal Psychologist | Dr. Colby Taylor | |
| 36 | 12 | B | Blood Bank Guy Videos | Joe Chaffin, MD | |
| 37 | 110 |  | Nature Podcast | Springer Nature Limited | |
| 37 | 1 |  | Deep Seed - Regenerative Agriculture | Raphael Esterhazy | |
| 38 | 13 |  | Science In Action | BBC World Service | |
| 38 | 1 |  | ROCKS AND MINERALS : The Treasures Inside Our Earth | pascal | |
| 39 | 15 | N | New Scientist Weekly | New Scientist | |
| 39 | — |  | The Orthobullets Podcast | Orthobullets | |
| 40 | — | M | Mindfulness con il dr. Gamba | Enrico Gamba | |
| 41 | 28 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 42 | 30 |  | The Life Scientific | BBC Radio 4 | |
| 42 | 39 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 42 | 19 | S | Spacetime Fika | Jonas Enander | |
| 43 | 14 | Б | Буде тобі наука | Kunsht/Куншт | |
| 43 | — |  | Lough Carra Catchment Association Podcast | LCCA Podcast | |
| 44 | 20 |  | Deborah Hatswell aka TinkerGirl | Tinker Girl | |
| 44 | 11 |  | New Books in Psychoanalysis | Marshall Poe | |
| 45 | 15 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 46 | 46 |  | Science Friday | Science Friday and WNYC Studios | |
| 46 | 34 |  | Unexpected Elements | BBC World Service | |
| 46 | — | T | The Power of Us | Dominic Packer, PhD and Jay Van Bavel, PhD | |
| 47 | 9 |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 48 | 4 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 48 | 29 | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 49 | 29 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 50 | 9 |  | You Are Not So Smart | You Are Not So Smart | |
| 51 | 16 | C | Clinical neurology with KD | Krishnadas N C | |
| 51 | 11 |  | COMPLEXITY | Santa Fe Institute | |
| 52 | 16 | N | Nature's a Hoot | Hawk Conservancy Trust | |
| 53 | 20 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 54 | 4 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 54 | 17 | F | Farming Today | BBC Radio 4 | |
| 57 | 107 |  | Universe Today Podcast | Fraser Cain | |
| 59 | 15 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 60 | 24 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 60 | 10 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 61 | 15 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 61 | 18 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 62 | 36 |  | Mysterious Universe | 8th Kind | |
| 64 | 23 |  | Scotland Outdoors | BBC Radio Scotland | |
| 67 | 53 |  | Great Mysteries of Physics | The Conversation | |
| 68 | 7 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 68 | 44 |  | Ask the Naked Scientists | Dr Chris Smith | |
