| 1 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 3 | 1 |  | Radiolab | WNYC Studios | |
| 3 | — |  | More or Less | BBC Radio 4 | |
| 3 | 2 |  | Science Weekly | The Guardian | |
| 4 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 1 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 7 | 7 |  | A Question of Science | The Francis Crick Institute | |
| 7 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 7 | 12 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 8 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 1 |  | The world, the universe and us | New Scientist | |
| 9 | 13 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 10 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | 8 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 10 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 10 | 7 |  | Science Vs | Spotify Studios | |
| 11 | 4 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 11 | 13 |  | BBC Inside Science | BBC Radio 4 | |
| 11 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 12 | 11 |  | CrowdScience | BBC World Service | |
| 13 | 8 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 13 | 7 | B | Boring History for Sleep | Velvet | |
| 15 | 22 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 15 | 13 | C | CountryWide | RTÉ Radio 1 | |
| 16 | — |  | Unexplainable | Vox | |
| 16 | 24 |  | The Life Scientific | BBC Radio 4 | |
| 18 | 8 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 19 | 6 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 22 | 5 |  | Unexpected Elements | BBC World Service | |
| 24 | 10 |  | Instant Genius | Our Media | |
| 25 | 10 |  | Astrum Space | Astrum | |
| 25 | 37 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 26 | 4 |  | The Michael Shermer Show | Michael Shermer | |
| 27 | 28 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 27 | 2 |  | Let's Learn Everything! | Maximum Fun | |
| 28 | 4 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 28 | 14 |  | Mysterious Universe | 8th Kind | |
| 29 | 69 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 29 | 31 |  | Planet Em | Emily McDonald | |
| 30 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 31 | 130 | N | Naturefile | RTÉ lyric fm | |
| 31 | 37 |  | The Climate Question | BBC World Service | |
| 32 | 19 |  | Ask a Spaceman! | Paul M. Sutter | |
| 32 | 12 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 33 | 89 |  | Win-Win with Liv Boeree | Liv Boeree | |
| 33 | 16 | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 33 | 28 |  | The Quanta Podcast | Quanta Magazine | |
| 33 | 46 |  | That UFO Podcast | That UFO Podcast | |
| 33 | — |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 34 | 5 |  | A Life More Wild | Canopy & Stars | |
| 34 | 23 |  | Почему мы еще живы | libo/libo | |
| 34 | 80 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 34 | 4 |  | Universe Today Podcast | Fraser Cain | |
| 36 | — |  | Overheard at National Geographic | National Geographic | |
| 36 | 28 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 36 | 36 |  | Babbage from The Economist | The Economist | |
| 36 | — |  | Planet Visionaries – SEASON 5 | A podcast in partnership with The Rolex Perpetual Planet Initiative | |
| 37 | 107 |  | All In The Mind | ABC | |
| 37 | 91 |  | The Science Show | ABC | |
| 37 | — |  | Big Picture Science | Big Picture Science | |
| 38 | 27 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 39 | 15 |  | Speaking of Psychology | American Psychological Association | |
| 39 | 9 |  | Templeton Ideas Podcast | John Templeton Foundation | |
| 40 | — |  | AKO ĽUDSTVO OBJAVOVALO | BAUER MEDIA Slovakia | |
| 40 | 3 | T | The Resilient Pharmacist | The Resilient Pharmacist | |
| 41 | 39 |  | Science Magazine Podcast | Science Magazine | |
| 41 | — |  | Kindred | Kate Coffin | |
| 41 | — |  | Tạp chí khoa học | RFI Tiếng Việt | |
| 42 | 3 |  | Jung Chicago Radio | C. G. Jung Institute of Chicago | |
| 42 | 63 |  | Discovery | BBC World Service | |
| 42 | 16 |  | The Psychology Podcast | iHeartPodcasts | |
| 43 | 109 |  | Science Quickly | Scientific American | |
| 43 | 3 | B | BioTech Nation ... with Dr. Moira Gunn | Moira Gunn | |
| 43 | — |  | Fuld af viden - Forskernes fredagsbar | Videnslyd | |
| 43 | 30 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 44 | 147 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 44 | 38 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 45 | — | B | Backstory: How Research Papers in Economics Get Made | UC San Diego | |
| 45 | 11 |  | Nature Podcast | Springer Nature Limited | |
| 46 | 4 | W | Women of Scientista | Queen's University Scientista | |
| 46 | 24 |  | Bigfoot Terror in the Woods Sightings and Encounters | W.J. Sheehan | |
| 46 | 67 |  | Scotland Outdoors | BBC Radio Scotland | |
| 46 | 13 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 47 | — | E | Entangled Health | Thomas Ehmer | |
| 47 | 20 |  | New Books in Critical Theory | Marshall Poe | |
| 47 | 6 | R | Rebel Economics with Dr. Steve Keen | Dr. Steve Keen | |
| 47 | 113 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 47 | 139 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 48 | 35 |  | Chemistry Made Simple | Matthew Macariou | |
| 48 | 21 | I | Irish Wildlife Trust | Irish Wildlife Trust | |
| 49 | 52 |  | Somewhere in the Skies | SpectreVision Radio | |
| 49 | 36 | F | Farming Today | BBC Radio 4 | |
| 50 | 95 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 50 | — | P | Project Medtech | Project Medtech | |
| 51 | 42 |  | You Are Not So Smart | You Are Not So Smart | |
| 52 | — |  | TED Talks Science and Medicine | TED | |
| 52 | — |  | Curiosity Weekly | Discovery | |
| 53 | 31 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 53 | 83 |  | Science In Action | BBC World Service | |
