| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 1 |  | Unexplainable | Vox | |
| 4 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 9 | 4 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 11 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 13 | 1 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 14 | — | T | THRIVING MINDS PODCAST | Professor Selena Bartlett, Neuroscientist, Brain Health is Everyone's Business | |
| 14 | 2 |  | Blurry Creatures | Blurry Creatures | |
| 14 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 15 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 19 | 3 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 19 | 43 |  | That UFO Podcast | That UFO Podcast | |
| 19 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 21 | 20 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 22 | — |  | The Life Scientific | BBC Radio 4 | |
| 23 | 11 |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 23 | 10 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 24 | 7 |  | The Quanta Podcast | Quanta Magazine | |
| 26 | 15 |  | The Michael Shermer Show | Michael Shermer | |
| 28 | 6 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 30 | 4 |  | Overheard at National Geographic | National Geographic | |
| 31 | 81 |  | A Voyage to Antarctica | UKAHT | |
| 31 | 14 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 32 | 11 |  | Discovery | BBC World Service | |
| 33 | 4 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 34 | 8 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 35 | 5 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 38 | 2 |  | That's Just Wild | Fresh Air | |
| 39 | 2 | W | Wildest Kruger Stories | Karolina Norée | |
| 40 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 43 | 3 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 43 | 14 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 44 | 2 |  | Expanded Perspectives | Expanded Perspectives | |
| 45 | 7 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 46 | 5 | G | Guardians of the River | Wild Bird Trust, NGOWP, House of Pod | |
| 47 | 52 |  | Science Magazine Podcast | Science Magazine | |
| 48 | 5 |  | Naked Astronomy, from the Naked Scientists | The Naked Scientists | |
| 48 | 87 | T | Tax Conversations Africa | Tax Justice Network Africa (TJNA) | |
| 49 | 16 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 53 | — |  | The Poultry Podcast Show | Wisenetix | |
| 53 | 4 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 54 | 60 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 54 | 15 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 55 | 12 |  | New Books in Psychoanalysis | Marshall Poe | |
| 56 | 140 |  | All Creatures Podcast | All Creatures Podcast | |
| 59 | — | L | Leopard Fortress (HD) | Earth Touch | |
| 59 | 15 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 59 | 3 |  | The Science of Birds | Ivan Phillipsen | |
| 60 | — |  | Origin Stories | The Leakey Foundation | |
| 60 | — |  | Flash Forward | Rose Eveleth | |
| 60 | 8 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 62 | — |  | Queens of Social Work | Queen P, LCSW & Queen H, LCSW | |
| 64 | 17 | I | IVPN Voice | IVPN Network | |
| 65 | — |  | Proxy with Yowei Shaw | Y3 Productions | |
| 65 | 73 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 66 | 34 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 66 | 111 |  | Unexpected Elements | BBC World Service | |
| 68 | 29 |  | Accidental Gods | Accidental Gods | |
| 69 | 5 | S | Safari Stories | Trunks and Tracks | |
| 70 | 41 |  | Speaking of Psychology | American Psychological Association | |
| 70 | 11 |  | Universe Today Podcast | Fraser Cain | |
| 71 | 23 |  | CrowdScience | BBC World Service | |
| 71 | 12 |  | How We're Wired | The Bertarelli Foundation | |
| 73 | 26 | T | The Deep-Sea Podcast | Thomas Linley | |
| 74 | — |  | Joint Approach | Musculoskeletal Infection Society | |
| 74 | 120 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 75 | 63 |  | Ancient Aliens | PodcastOne | |
| 77 | 8 |  | Science with Sabine | Sabine Hossenfelder | |
| 79 | 7 |  | The Life of Her Mind | Labroots Inc | |
| 79 | 7 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 80 | 7 | C | Classics in Brain, Cognition and Behavior | Georgia Tech Psychology | |
| 82 | 36 |  | Living Planet | DW | |
| 83 | 8 | G | GW Integrative Medicine | GW Integrative Medicine | |
| 84 | 28 |  | Drilled | Pushkin Industries | |
| 87 | 40 |  | Deep Seed - Regenerative Agriculture | Raphael Esterhazy | |
| 89 | 6 |  | Science Quickly | Scientific American | |
| 90 | 27 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 91 | 3 |  | Science In Action | BBC World Service | |
| 91 | 20 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 92 | 8 |  | The Science of Everything Podcast | James Fodor | |
| 92 | 22 |  | Short Wave | NPR | |
| 92 | — |  | Let's Learn Everything! | Maximum Fun | |
| 93 | — | M | Medscape InDiscussion: Chronic Obstructive Pulmonary Disease | Medscape | |
| 95 | 4 |  | You Are Not So Smart | You Are Not So Smart | |
| 96 | — | M | Medscape InDiscussion: Chronic Myeloid Leukemia | Medscape | |
| 97 | — | M | Medscape InDiscussion: Heart Failure | Medscape | |
| 97 | 53 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 98 | 12 |  | TheThinkingAtheist | The Thinking Atheist | |
| 99 | — |  | Medscape InDiscussion: Moderate to Severe Asthma | Medscape | |
| 100 | — | M | Medscape InDiscussion: Pulmonary Arterial Hypertension | Medscape | |
| 101 | — | M | Medscape InDiscussion: Type 2 Diabetes | Medscape | |
| 102 | — | M | Medscape InDiscussion: HIV | Medscape | |
| 104 | 29 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 105 | 16 |  | Mysterious Universe | 8th Kind | |
| 106 | 26 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 110 | — |  | The Story Collider | Story Collider, Inc. | |
| 112 | 23 |  | Intelligent Design the Future | Discovery Institute | |
| 114 | 24 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 115 | — | E | Eyes on Earth | USGS | |
