| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 1 | 4 |  | Radiolab | WNYC Studios | |
| 2 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 5 |  | More or Less | BBC Radio 4 | |
| 3 | 13 | B | Boring History for Sleep | Velvet | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 4 | 1 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 5 | 1 |  | Science Weekly | The Guardian | |
| 9 | 1 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 10 | 6 |  | Discovery | BBC World Service | |
| 10 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 10 | 15 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 10 | 10 | R | Ri Science Podcast | The Royal Institution | |
| 12 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | 28 |  | BBC Inside Science | BBC Radio 4 | |
| 14 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 14 | 3 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 15 | 121 |  | Paranormal Portal | Brent Thomas | |
| 15 | 13 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 17 | 4 |  | Podcast UFO | Martin Willis | |
| 17 | 105 |  | Regenerative Agriculture Podcast | John Kempf | |
| 18 | 46 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 18 | 48 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 19 | — | 6 | 60-Second Earth | Scientific American | |
| 20 | 8 |  | Making Sense with Sam Harris | Sam Harris | |
| 21 | — |  | Ask MIT Climate | MIT Climate Project | |
| 21 | 4 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 22 | 21 |  | CrowdScience | BBC World Service | |
| 22 | 4 |  | Invisibilia | NPR | |
| 22 | — |  | The Nature Recovery Podcast | The Leverhulme Centre for Nature Recovery | |
| 23 | 4 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 24 | 11 | C | Converging Dialogues | Converging Dialogues | |
| 24 | — | N | Nature Magic | Mary Bermingham | |
| 25 | 2 |  | Skeptics with a K | Skeptic Media Limited | |
| 26 | 5 |  | Science In Action | BBC World Service | |
| 26 | 2 |  | The world, the universe and us | New Scientist | |
| 27 | — |  | Ours To Protect on Ireland’s Classic Hits Radio | Classic Hits | |
| 27 | 6 | ![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 | |
| 28 | 6 |  | The Psychology Podcast | iHeartPodcasts | |
| 29 | 15 |  | Robinson's Podcast | Robinson Erhardt | |
| 30 | 15 |  | Why Do We Do That? | BBC Radio 4 | |
| 31 | 5 |  | Ologies with Alie Ward | Alie Ward | |
| 33 | 139 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 34 | 15 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 35 | — |  | ScienceStuff | iHeartPodcasts | |
| 36 | 19 |  | Clinical Chemistry Podcast | Association for Diagnostics and Laboratory Medicine | |
| 37 | 7 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 38 | 7 | C | Cows and Effect | Paul Allison and Michael Blanche | |
| 39 | 6 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 40 | 17 | F | Farming Today | BBC Radio 4 | |
| 40 | 6 |  | Crossing The River | More Than Human Life (MOTH) | |
| 41 | — | A | American Journal of Psychiatry Audio | American Journal of Psychiatry | |
| 42 | 21 | B | BESTEK - The Public Procurement Podcast | dr. Willem A. Janssen and dr. Marta Andhov | |
| 43 | 21 | O | Orca - Killer Whale | Quiet. Please | |
| 46 | 16 |  | Science Vs | Spotify Studios | |
| 48 | 21 |  | Dr Karl Podcast | triplej | |
| 50 | 21 | P | Psychology - Video | Paul Bloom | |
| 51 | 19 |  | The Climate Question | BBC World Service | |
| 52 | 12 |  | Drilled | Pushkin Industries | |
| 53 | 20 | P | pharmaphorum Podcast | pharmaphorum | |
| 53 | 35 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 54 | 20 |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 55 | 20 | C | Cultures of Energy | Dominic Boyer | |
| 56 | 95 | C | CountryWide | RTÉ Radio 1 | |
| 56 | 19 |  | The Common Descent Podcast | Common Descent | |
| 57 | 19 | I | ImmunoTea: Your Immunology Podcast | Lara Dungan | |
| 57 | 8 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 58 | 113 |  | Mysterious Universe | 8th Kind | |
| 58 | 19 | W | Why? with Emma Kennedy | Podmasters | |
| 59 | 8 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 59 | 23 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 60 | 5 |  | That UFO Podcast | That UFO Podcast | |
| 61 | 16 |  | All In The Mind | ABC | |
| 62 | 7 |  | Astrum Space | Astrum | |
| 62 | 18 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 63 | 14 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 64 | 18 |  | The Plodcast | Our Media | |
| 65 | 10 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 66 | 19 |  | Future Ecologies | Future Ecologies | |
| 67 | 13 | N | Naturefile | RTÉ lyric fm | |
| 68 | 18 |  | Manifold | Steve Hsu | |
| 69 | 12 |  | Physics World Weekly Podcast | Physics World | |
| 70 | 17 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 70 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 71 | 19 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 73 | 17 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 75 | 17 | T | The Northstar Method | Northstar Performance Psychology | |
| 76 | 17 | P | Psychology | Yale School of Medicine | |
| 77 | 17 | T | Time Travel | Quiet. Please | |
| 78 | 29 |  | Unexpected Elements | BBC World Service | |
| 78 | 17 | E | Economies that work - for all | United Nations System Staff College | |
| 79 | 17 | D | DermConsult | ReachMD | |
| 80 | 13 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 82 | 13 |  | Nature Podcast | Springer Nature Limited | |
| 82 | 13 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 84 | 16 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 85 | 5 |  | The Michael Shermer Show | Michael Shermer | |
| 85 | 11 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 87 | 15 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
