| 1 | — |  | More or Less | BBC Radio 4 | |
| 2 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 63 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 3 | — |  | Where The Wild Thoughts Are | Jo Marchant | |
| 3 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | — |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 4 | 2 |  | Oceanography | Pine Forest Media | |
| 8 | 7 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 8 | 12 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 8 | 5 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 8 | 1 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 8 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | 7 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 10 | 2 |  | Science Vs | Spotify Studios | |
| 11 | — |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 11 | 5 |  | Ologies with Alie Ward | Alie Ward | |
| 11 | 1 |  | Science Weekly | The Guardian | |
| 12 | 2 |  | The Psychology Podcast | iHeartPodcasts | |
| 13 | 8 |  | Climate Curious | TEDxLondon | |
| 13 | 1 | F | Farming Today | BBC Radio 4 | |
| 14 | 9 | B | Boring History for Sleep | Velvet | |
| 15 | 62 | ![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 | |
| 17 | 6 |  | Curious Cases | BBC Radio 4 | |
| 17 | 8 |  | Discovery | BBC World Service | |
| 18 | 7 |  | BBC Inside Science | BBC Radio 4 | |
| 19 | — |  | Radiolab | WNYC Studios | |
| 19 | 125 |  | Somewhere in the Skies | SpectreVision Radio | |
| 19 | 14 |  | The Futurists | Brett King, JP Nicols, Jason Henrichs | |
| 19 | 33 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 20 | 89 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 20 | 5 | C | CountryWide | RTÉ Radio 1 | |
| 22 | 175 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 23 | 76 |  | Unexplainable | Vox | |
| 23 | 8 |  | Constant Wonder | BYUradio | |
| 25 | — |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 25 | 16 | N | Naturefile | RTÉ lyric fm | |
| 26 | 12 |  | Lost Women of Science | Lost Women of Science | |
| 26 | 38 | S | Sound Healing / Sound Bath | Omandala Vietnam | |
| 26 | — |  | Science Friction | ABC | |
| 26 | 40 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 27 | 6 | I | Irish Wildlife Trust | Irish Wildlife Trust | |
| 28 | 6 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 28 | — | T | The Energy Essentials Podcast | Cornwall Insight | |
| 29 | — |  | Cited Podcast | Cited Media | |
| 30 | 15 |  | Ciência Suja | Ciência Suja | |
| 31 | 119 |  | Origin Stories | The Leakey Foundation | |
| 31 | 3 |  | Chromatography Life | Waters Corporation | |
| 32 | 6 | M | Mysteries of the Universe | TheTuringApp.Com | |
| 33 | 126 |  | Science Magazine Podcast | Science Magazine | |
| 33 | — |  | Why Do We Do That? | BBC Radio 4 | |
| 34 | 7 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 35 | 37 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 35 | 3 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 36 | 82 |  | How We're Wired | The Bertarelli Foundation | |
| 36 | — | B | Beneath the Canopy Nature Connection | Orlagh and Cat | |
| 36 | — | L | Le podcast nature et environnement du musée des Confluences | musée des Confluences | |
| 37 | — | S | Surgical Readings | The American College of Surgeons | |
| 37 | — | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 37 | 4 |  | The world, the universe and us | New Scientist | |
| 37 | 9 | I | Infinitely Irrational: A Math Podcast | Infinitely Irrational: A Math Podcast | |
| 38 | — |  | Paleo Nerds | paleonerds | |
| 38 | 4 | A | Audio Angling | Fishing Films & Facts | |
| 41 | 17 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 42 | 15 |  | Universe Today Podcast | Fraser Cain | |
| 43 | 19 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 44 | 18 | L | Love The Bees Podcast | Yvonne Johnston | |
| 45 | 17 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 46 | — | M | Military Psychology Podcast | Division 19 | |
| 47 | 17 |  | Lehto Files - Investigating UAPs | Chris Lehto | |
| 48 | 16 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 49 | 20 |  | The Jim Rutt Show | The Jim Rutt Show | |
| 50 | 46 |  | Science In Action | BBC World Service | |
| 51 | 21 |  | Robinson's Podcast | Robinson Erhardt | |
| 52 | 20 | T | The Animal Free Labcast | Carla Owen | |
| 53 | 20 |  | Two Bees in a Podcast | UF/IFAS Honey Bee Lab | |
| 54 | 10 |  | CrowdScience | BBC World Service | |
| 54 | 20 | N | Neuroscience of Coaching | Mirasee FM | |
| 55 | 20 |  | Clinical Chemistry Podcast | Association for Diagnostics and Laboratory Medicine | |
| 56 | 20 | P | Physics | Yale University | |
| 57 | 20 | P | Physical Chemistry Fundamentals | NanoChemist | |
| 57 | 21 |  | The Michael Shermer Show | Michael Shermer | |
| 58 | 20 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 59 | 20 | G | Goodfellow Unit | Goodfellow Unit | |
| 60 | 9 |  | Astrum Space | Astrum | |
| 60 | 20 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 61 | 19 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 63 | 13 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 64 | 21 |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 65 | 16 |  | Dr Karl Podcast | triplej | |
| 65 | 38 |  | Mysterious Universe | 8th Kind | |
| 66 | 19 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 68 | 24 |  | Speaking of Psychology | American Psychological Association | |
| 69 | 21 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 71 | 16 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 73 | 39 |  | All In The Mind | ABC | |
| 73 | 23 |  | Physics World Weekly Podcast | Physics World | |
| 77 | 7 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 78 | 15 | V | VoxTalks Economics | VoxTalks | |
| 79 | 26 |  | Ask a Spaceman! | Paul M. Sutter | |
