| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | — |  | More or Less | BBC Radio 4 | |
| 5 | — |  | Radiolab | WNYC Studios | |
| 5 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | — | F | Futureproof with Jonathan McCrea | Newstalk | |
| 8 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 5 |  | The world, the universe and us | New Scientist | |
| 8 | 1 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 9 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | 2 |  | Science Weekly | The Guardian | |
| 11 | 11 |  | BBC Inside Science | BBC Radio 4 | |
| 11 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 12 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 12 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 13 | 3 | C | CountryWide | RTÉ Radio 1 | |
| 15 | 1 | B | Boring History for Sleep | Velvet | |
| 16 | 7 |  | Unexplainable | Vox | |
| 16 | 4 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 17 | 6 |  | Naturebang | BBC Radio 4 | |
| 19 | 17 |  | Babbage from The Economist | The Economist | |
| 19 | 3 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 21 | 9 |  | CrowdScience | BBC World Service | |
| 22 | 8 |  | Science Vs | Spotify Studios | |
| 22 | 9 |  | Astrum Space | Astrum | |
| 22 | 95 |  | Ancient Aliens | PodcastOne | |
| 22 | 102 |  | The Episodic Table of Elements | T. R. Appleton | |
| 23 | 7 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 23 | 3 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 25 | 84 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 25 | — |  | Drilled | Pushkin Industries | |
| 27 | 1 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 28 | 10 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 28 | 58 | B | Blood Bank Guy Videos | Joe Chaffin, MD | |
| 29 | 2 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 30 | 3 |  | Scotland Outdoors | BBC Radio Scotland | |
| 30 | 38 |  | The Michael Shermer Show | Michael Shermer | |
| 31 | 4 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 32 | 69 | N | New Scientist Weekly | New Scientist | |
| 32 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 32 | — |  | Deborah Hatswell aka TinkerGirl | Tinker Girl | |
| 33 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 33 | — | C | Clinical neurology with KD | Krishnadas N C | |
| 34 | 11 |  | You Are Not So Smart | You Are Not So Smart | |
| 35 | 8 |  | Mysterious Universe | 8th Kind | |
| 35 | 10 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 36 | 13 |  | Unexpected Elements | BBC World Service | |
| 36 | 5 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 36 | 131 | S | Spacetime Fika | Jonas Enander | |
| 37 | 2 |  | A Question of Science | The Francis Crick Institute | |
| 38 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 38 | 20 |  | That UFO Podcast | That UFO Podcast | |
| 38 | — | Б | Буде тобі наука | Kunsht/Куншт | |
| 39 | 6 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 39 | 4 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 40 | 11 |  | Discovery | BBC World Service | |
| 41 | 13 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 42 | — | N | Nature's a Hoot | Hawk Conservancy Trust | |
| 43 | 6 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 44 | 122 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 44 | — | T | Trees A Crowd | David Oakes | |
| 45 | 13 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 46 | 115 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 46 | 4 |  | Bigfoot Terror in the Woods Sightings and Encounters | W.J. Sheehan | |
| 47 | — | L | Lifeworlds | Alexa Firmenich | |
| 48 | 4 |  | The Numberphile Podcast | Brady Haran | |
| 49 | 34 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 49 | 13 | S | SYSTEMS of EXISTENCE | Katharina Hillenberg | |
| 50 | 6 | H | Heartwood Podcast | Rowan Reid | |
| 51 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 51 | 21 | I | In Your Nature | By BirdWatch Ireland | |
| 52 | — | S | Subconscious Sessions | luciddreams6295 | |
| 53 | 20 |  | Making Sense with Sam Harris | Sam Harris | |
| 53 | — | E | EcoFarm Aotearoa | Ewan Campbell with co-host Stephen Brunton | |
| 54 | 15 | F | Farming Today | BBC Radio 4 | |
| 56 | 19 | T | The Psychology Perspective | ellie2302d | |
| 57 | 14 |  | Great Mysteries of Physics | The Conversation | |
| 58 | — | 一 | 一口經濟學 bitesize economics | Charles Liao | |
| 58 | 9 |  | Leaked | TFLabs | |
| 60 | 3 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 61 | — | B | Behind the Wild Lens | Jake Willers | |
| 62 | 18 |  | Instant Genius | Our Media | |
| 63 | 8 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 64 | 12 | T | The Titanium Physicists Podcast | Brachiolope Media Network | |
| 65 | 23 |  | TED Talks Science and Medicine | TED | |
| 67 | 22 |  | Dr Karl Podcast | triplej | |
| 68 | 19 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 69 | 28 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 70 | 10 |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 70 | 16 |  | The Climate Question | BBC World Service | |
| 71 | 5 | C | Climate change - off the record | Dr Clare Noone and Dr Róisín Moriarty | |
| 73 | 17 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 73 | 26 | P | Psychotherapy and Applied Psychology | Dr. Daniel W Cox | |
| 74 | 15 |  | Science Friday | Science Friday and WNYC Studios | |
| 74 | 20 |  | Future Ecologies | Future Ecologies | |
| 75 | 25 |  | ScienceStuff | iHeartPodcasts | |
| 75 | — |  | Need To Know | Bryce Zabel | |
| 76 | 23 | W | Wild Lives | Our Media | |
| 76 | 38 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
