| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | More or Less | BBC Radio 4 | |
| 3 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | — |  | Curious Cases | BBC Radio 4 | |
| 5 | 2 |  | Radiolab | WNYC Studios | |
| 5 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | — |  | BBC Inside Science | BBC Radio 4 | |
| 7 | 2 |  | Science Weekly | The Guardian | |
| 7 | — | B | Boring History for Sleep | Velvet | |
| 8 | 3 |  | The world, the universe and us | New Scientist | |
| 8 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 11 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 13 | 5 |  | CrowdScience | BBC World Service | |
| 13 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 14 | — |  | That UFO Podcast | That UFO Podcast | |
| 15 | 1 |  | Scotland Outdoors | BBC Radio Scotland | |
| 15 | 1 |  | The Plodcast | Our Media | |
| 15 | — |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 16 | 11 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 18 | — |  | That's Just Wild | Fresh Air | |
| 19 | 6 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 19 | 1 | F | Farming Today | BBC Radio 4 | |
| 19 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 20 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 21 | 2 |  | The Life Scientific | BBC Radio 4 | |
| 23 | — |  | A Question of Science | The Francis Crick Institute | |
| 24 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 25 | 5 |  | Nature Podcast | Springer Nature Limited | |
| 26 | — |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 26 | 15 |  | Unexpected Elements | BBC World Service | |
| 28 | 2 |  | Universe Today Podcast | Fraser Cain | |
| 31 | 1 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 31 | — |  | Science Vs | Spotify Studios | |
| 31 | 1 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 32 | 4 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 32 | 4 |  | Unexplainable | Vox | |
| 33 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 33 | 7 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 35 | 4 | W | Wild Tales | Nature Podcast | National Trust | |
| 35 | 12 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 35 | 1 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 35 | 1 |  | A Life More Wild | Canopy & Stars | |
| 37 | 1 |  | Dr Karl Podcast | triplej | |
| 38 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 39 | 8 |  | Discovery | BBC World Service | |
| 40 | 5 |  | Bigfoot Society | Jeremiah Byron | |
| 41 | 11 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 42 | 12 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 44 | 5 |  | Naturebang | BBC Radio 4 | |
| 45 | 4 |  | Astrum Space | Astrum | |
| 46 | 10 | N | New Scientist Weekly | New Scientist | |
| 47 | 6 |  | Instant Genius | Our Media | |
| 47 | 12 |  | Constant Wonder | BYUradio | |
| 48 | 19 |  | Babbage from The Economist | The Economist | |
| 48 | 4 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 48 | 6 |  | Overheard at National Geographic | National Geographic | |
| 49 | 25 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 49 | — |  | The Climate Question | BBC World Service | |
| 50 | — |  | The Quanta Podcast | Quanta Magazine | |
| 51 | — |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 52 | 6 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 53 | — | W | Wild Lives | Our Media | |
| 54 | 12 |  | Mysterious Universe | 8th Kind | |
| 55 | 1 | O | Open Country | BBC Radio 4 | |
| 55 | 2 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 56 | 1 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 58 | — |  | Skeptics with a K | Skeptic Media Limited | |
| 58 | 7 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 59 | 5 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 60 | 1 |  | The Episodic Table of Elements | T. R. Appleton | |
| 60 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 62 | 7 |  | When Science Finds a Way | Wellcome | |
| 63 | — |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 64 | 4 |  | Accidental Gods | Accidental Gods | |
| 67 | 4 |  | UFO Chronicles Podcast | Nik Hunter | |
| 67 | — |  | Speaking of Psychology | American Psychological Association | |
| 69 | 9 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 69 | 6 |  | Rare Earth | BBC Radio 4 | |
| 71 | — |  | The Common Descent Podcast | Common Descent | |
| 72 | 3 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 72 | 11 |  | The Micah Hanks Program | Micah Hanks | |
| 72 | — |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 73 | 22 |  | Geology Bites | Oliver Strimpel | |
| 73 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 73 | 8 | ![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 | |
| 74 | — | B | Big Cat Conversations | Rick Minter | |
| 74 | 15 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 75 | 9 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 76 | 8 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 77 | 15 |  | Science Friday | Science Friday and WNYC Studios | |
| 77 | 4 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 78 | — |  | Expanded Perspectives | Expanded Perspectives | |
| 78 | 7 |  | Ancient Aliens | PodcastOne | |
| 78 | 1 | E | Everything's Psychology | Paul Davies | |
| 79 | 5 |  | The Michael Shermer Show | Michael Shermer | |
| 79 | — | T | This Natural Life | BBC Radio 4 | |
| 81 | 7 |  | Ask a Spaceman! | Paul M. Sutter | |
| 81 | 21 |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 81 | 1 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 83 | 8 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
