| 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 | 1 |  | Science Weekly | The Guardian | |
| 5 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 7 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | — |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 1 | B | Boring History for Sleep | Velvet | |
| 10 | — |  | Radiolab | WNYC Studios | |
| 10 | — |  | BBC Inside Science | BBC Radio 4 | |
| 11 | 1 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 12 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | — |  | The world, the universe and us | New Scientist | |
| 14 | — |  | Scotland Outdoors | BBC Radio Scotland | |
| 15 | 1 |  | That's Just Wild | Fresh Air | |
| 15 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 15 | 5 |  | The Life Scientific | BBC Radio 4 | |
| 16 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 16 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 17 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 18 | 12 |  | Science Vs | Spotify Studios | |
| 19 | 2 | F | Farming Today | BBC Radio 4 | |
| 19 | 4 |  | The Plodcast | Our Media | |
| 22 | 2 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 23 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 24 | 2 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 24 | 1 |  | Unexplainable | Vox | |
| 26 | 7 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 26 | 9 |  | That UFO Podcast | That UFO Podcast | |
| 28 | 3 |  | Universe Today Podcast | Fraser Cain | |
| 29 | 3 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 29 | 4 |  | A Question of Science | The Francis Crick Institute | |
| 31 | 5 |  | Discovery | BBC World Service | |
| 31 | 3 |  | The Psychology Podcast | iHeartPodcasts | |
| 34 | 1 |  | CrowdScience | BBC World Service | |
| 35 | 1 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 35 | 11 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 35 | 5 |  | Nature Podcast | Springer Nature Limited | |
| 35 | 4 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 35 | 2 |  | Overheard at National Geographic | National Geographic | |
| 36 | — |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 37 | 1 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 37 | 29 |  | Speaking of Psychology | American Psychological Association | |
| 38 | 1 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 39 | 5 | W | Wild Tales | Nature Podcast | National Trust | |
| 39 | 32 | W | Wild Lives | Our Media | |
| 41 | — |  | Babbage from The Economist | The Economist | |
| 41 | 10 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 41 | 1 |  | Astrum Space | Astrum | |
| 42 | 5 |  | Accidental Gods | Accidental Gods | |
| 42 | 5 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 43 | 2 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 43 | 15 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 44 | 2 |  | Bigfoot Society | Jeremiah Byron | |
| 45 | 25 |  | Constant Wonder | BYUradio | |
| 46 | 8 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 47 | 35 |  | New Books in Critical Theory | Marshall Poe | |
| 47 | 12 |  | Instant Genius | Our Media | |
| 48 | 4 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 52 | 2 | N | New Scientist Weekly | New Scientist | |
| 53 | 33 |  | Let's Learn Everything! | Maximum Fun | |
| 55 | 8 |  | Unexpected Elements | BBC World Service | |
| 57 | 12 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 58 | 5 |  | You Are Not So Smart | You Are Not So Smart | |
| 59 | 18 |  | Get Birding | Peanut & Crumb | |
| 59 | 10 |  | Short Wave | NPR | |
| 61 | 11 |  | The Michael Shermer Show | Michael Shermer | |
| 62 | — |  | The Wild with Chris Morgan | KUOW News and Information | |
| 64 | 5 |  | UFO Chronicles Podcast | Nik Hunter | |
| 67 | 10 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 68 | 6 | E | Everything's Psychology | Paul Davies | |
| 69 | 6 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 70 | 32 |  | Ancient Aliens | PodcastOne | |
| 71 | 5 |  | Geology Bites | Oliver Strimpel | |
| 71 | 3 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 72 | 4 |  | Naturebang | BBC Radio 4 | |
| 72 | 19 | W | Wild Questions | RSPB | |
| 73 | 15 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 73 | 37 |  | Skeptics with a K | Skeptic Media Limited | |
| 73 | 12 |  | The Episodic Table of Elements | T. R. Appleton | |
| 74 | 4 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 74 | 5 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 77 | 17 |  | When Science Finds a Way | Wellcome | |
| 78 | 3 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 79 | 4 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 81 | 13 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 81 | 15 |  | The Quanta Podcast | Quanta Magazine | |
| 83 | 14 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 83 | 26 | T | The Systemic Way | Sezer and Julie | |
| 84 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 84 | 26 | P | PsychCrunch | The British Psychological Society Research Digest | |
| 85 | — |  | Science In Action | BBC World Service | |
| 87 | 7 |  | Dr Karl Podcast | triplej | |
| 87 | 68 |  | Unbiased Science | @unbiasedscipod | |
| 88 | — |  | The Climate Question | BBC World Service | |
| 89 | 1 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 89 | 21 | B | Big Cat Conversations | Rick Minter | |
| 90 | 27 |  | Medical Mentor | Medscape | |
| 90 | 18 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
