| 2 | 4 |  | Unexplainable | Vox | |
| 2 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 6 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 9 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 9 | 25 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 12 | 14 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 13 | 1 | C | Crime Theories: Off the Record | Karen Armenta | |
| 13 | — | W | Wildest Kruger Stories | Karolina Norée | |
| 14 | — |  | The Michael Shermer Show | Michael Shermer | |
| 15 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 16 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 16 | 2 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 16 | 28 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 17 | — |  | Overheard at National Geographic | National Geographic | |
| 19 | 16 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 21 | — |  | CrowdScience | BBC World Service | |
| 21 | 149 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 22 | 26 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 22 | 8 |  | Blurry Creatures | Blurry Creatures | |
| 22 | 3 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 25 | 22 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 26 | 146 |  | How We're Wired | The Bertarelli Foundation | |
| 26 | 11 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 28 | 9 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 31 | 9 |  | Science Friday | Science Friday and WNYC Studios | |
| 32 | 1 |  | Unexpected Elements | BBC World Service | |
| 32 | 26 |  | Ancient Aliens | PodcastOne | |
| 33 | 6 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 34 | 4 |  | The Life Scientific | BBC Radio 4 | |
| 35 | 1 | T | The Deep-Sea Podcast | Thomas Linley | |
| 36 | — |  | The Science of Everything Podcast | James Fodor | |
| 38 | 6 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 39 | — |  | The Common Descent Podcast | Common Descent | |
| 40 | 6 |  | Living Planet | DW | |
| 41 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 42 | 14 |  | Short Wave | NPR | |
| 42 | 17 |  | Let's Learn Everything! | Maximum Fun | |
| 43 | 8 | W | What if you just leave it? Rewilding unwrapped | Sam Rose | |
| 44 | — |  | The Modern Extractor | Jason Showard | |
| 44 | 5 |  | Speaking of Psychology | American Psychological Association | |
| 45 | — |  | A Voyage to Antarctica | UKAHT | |
| 45 | 38 |  | The Quanta Podcast | Quanta Magazine | |
| 47 | 11 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 49 | 65 |  | The Story Collider | Story Collider, Inc. | |
| 51 | — | B | BJA: British Journal of Anaesthesia | Rik Thomas, Podcast Editor | |
| 52 | 10 |  | All In The Mind | ABC | |
| 52 | 2 |  | You Are Not So Smart | You Are Not So Smart | |
| 53 | 6 |  | Discovery | BBC World Service | |
| 54 | 83 |  | The Science of Birds | Ivan Phillipsen | |
| 54 | 8 |  | This Week in Virology | Vincent Racaniello | |
| 54 | 29 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 55 | 15 |  | That UFO Podcast | That UFO Podcast | |
| 56 | — |  | TED Talks Science and Medicine | TED | |
| 56 | 15 |  | Universe Today Podcast | Fraser Cain | |
| 56 | 142 |  | Robinson's Podcast | Robinson Erhardt | |
| 57 | 21 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 58 | 4 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 58 | 14 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 59 | — |  | Drilled | Pushkin Industries | |
| 60 | 97 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 63 | 10 |  | Science Magazine Podcast | Science Magazine | |
| 64 | 13 | F | FertiliPod: Reproductive Medicine and Fertility Podcast for Assisted Reproduction Professionals | FertiliPod by IVIRMA | |
| 65 | 93 | A | Asimov Press | Asimov Press | |
| 66 | 16 | W | World of Sharks | Save Our Seas Foundation | |
| 68 | — |  | Naked Astronomy, from the Naked Scientists | The Naked Scientists | |
| 69 | — |  | UFO Chronicles Podcast | Nik Hunter | |
| 69 | 47 |  | Expanded Perspectives | Expanded Perspectives | |
| 69 | 27 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 70 | — | R | Rewilding Earth Podcast | The Rewilding Institute | |
| 70 | — | E | Easy Physics | Easy Physics | |
| 71 | — | F | Farming Today | BBC Radio 4 | |
| 71 | — |  | The Science Show | ABC | |
| 73 | — |  | Battle For African Agriculture Podcast | Million Belay | |
| 73 | — |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 74 | — |  | EverydaySpy Podcast | Andrew Bustamante | |
| 77 | 24 |  | Flash Forward | Rose Eveleth | |
| 78 | — | B | Big Shift For Small Farms - Australian Agriculture and Regenerative Farming | NSW Local Land Services | |
| 79 | 32 | N | Nature is Gay | Camryn Martin | |
| 80 | 12 |  | Science Quickly | Scientific American | |
| 86 | 56 | T | THRIVING MINDS PODCAST | Professor Selena Bartlett, Neuroscientist, Brain Health is Everyone's Business | |
| 87 | 82 |  | Science In Action | BBC World Service | |
| 87 | 14 |  | This Week in Space (Audio) | TWiT | |
| 88 | 34 |  | The Parkinson's Podcast | Davis Phinney Foundation | |
| 88 | 25 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 92 | — | ![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 | |
| 92 | — |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 92 | 19 |  | Accidental Gods | Accidental Gods | |
| 93 | 23 |  | The world, the universe and us | New Scientist | |
| 94 | 2 |  | Mysterious Universe | 8th Kind | |
| 96 | 8 | B | Beyond Jaws: Exploring Shark Science and Conservation | Speak Up For Blue | |
| 97 | 8 | S | Sharkpedia | Meghan Holst and Amani Webber-Schultz | |
| 97 | — |  | Proxy with Yowei Shaw | Y3 Productions | |
| 98 | — | T | The ABCs of SBC | UNICEF SBC | |
| 99 | 31 | F | Farming With Nature | Mzansi Story Labs | |
| 100 | 31 | M | MSF Farm Talk Podcast | Mallee Sustainable Farming | |
| 101 | 31 | C | Critically Speaking | Therese Markow | |
| 102 | 15 |  | That's Just Wild | Fresh Air | |
| 102 | 26 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 103 | — | W | White Coat, Black Art | CBC | |
