| 1 | — |  | Instant Genius | Our Media | |
| 2 | — |  | Science Weekly | The Guardian | |
| 3 | — |  | Radiolab | WNYC Studios | |
| 4 | — |  | Unexplainable | Vox | |
| 5 | — |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 6 | — |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 7 | — |  | The Science of Birds | Ivan Phillipsen | |
| 8 | — | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 9 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 10 | — |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 11 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | 1 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 14 | 26 |  | Curious Cases | BBC Radio 4 | |
| 15 | — |  | Why Do We Do That? | BBC Radio 4 | |
| 16 | — |  | The Hydrogen Podcast | Paul Rodden | |
| 17 | — |  | ScienceStuff | iHeartPodcasts | |
| 18 | — |  | Science Vs | Spotify Studios | |
| 19 | — | W | Wissenschaft im Brennpunkt | Deutschlandfunk | |
| 20 | 6 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 21 | 18 |  | Science In Action | BBC World Service | |
| 22 | 1 | 2 | 24/7 | Beggi Ólafs | |
| 23 | 4 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 24 | — |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 25 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 26 | 19 |  | Science Magazine Podcast | Science Magazine | |
| 27 | 15 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 28 | 56 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 29 | 129 |  | Skeptics with a K | Skeptic Media Limited | |
| 30 | 79 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 31 | 4 |  | Astrum Space | Astrum | |
| 32 | 2 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 33 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 34 | 130 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 35 | 3 |  | From The Shadows | Shane Grove | |
| 36 | — | M | Many Minds | Kensy Cooperrider – Diverse Intelligences Summer Institute | |
| 37 | — | O | Open Minds UAP News | Alejandro Rojas | |
| 38 | 13 |  | Speaking of Psychology | American Psychological Association | |
| 39 | 58 |  | BBC Inside Science | BBC Radio 4 | |
| 40 | 1 |  | Science Quickly | Scientific American | |
| 41 | 44 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 42 | 22 | D | Dagbók Urriða | Ólafur Guðbjartsson | |
| 43 | 9 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 44 | 12 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 45 | 120 |  | World’s Wildest: Tales of Earth’s Most Extreme Creatures | Maya Higa & Connor O'Brien | |
| 46 | 15 |  | Ologies with Alie Ward | Alie Ward | |
| 47 | 26 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 48 | 15 | T | This Natural Life | BBC Radio 4 | |
| 49 | 14 |  | Naturebang | BBC Radio 4 | |
| 50 | 63 |  | The Quanta Podcast | Quanta Magazine | |
| 51 | 142 |  | Ask a Spaceman! | Paul M. Sutter | |
| 52 | 24 |  | The Michael Shermer Show | Michael Shermer | |
| 53 | — | B | Beyond Lab Walls | Salk Institute | Salk Institute | |
| 54 | 27 |  | Dumma Människor | Acast - Lina Thomsgård och Björn Hedensjö | |
| 55 | 38 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 56 | 66 |  | Science Talk | Scientific American | |
| 57 | 32 |  | The Plodcast | Our Media | |
| 58 | 32 |  | SciShow Tangents | Complexly | |
| 59 | — |  | Paradigmepodden | Terje Toftenes | |
| 60 | — | N | NPP BrainPod | Springer Nature | |
| 61 | 32 |  | CrowdScience | BBC World Service | |
| 62 | 121 |  | You Are Not So Smart | You Are Not So Smart | |
| 63 | — |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
| 64 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 65 | — |  | Battery Generation | Patrick von Rosen, Lennart Peters | |
| 66 | 29 | ![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 | |
| 67 | 17 | R | R Weekly Highlights | Eric Nantz | |
| 68 | 11 | T | The Falsifiable Podcast | Eric Denton | |
| 69 | 11 |  | Lost Women of Science | Lost Women of Science | |
| 70 | 24 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 71 | 2 |  | Mysterious Universe | 8th Kind | |
| 72 | 45 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 73 | 30 | N | New Books in Political Science | New Books Network | |
| 74 | 30 | S | Sage Sociology | Sage Publications | |
| 75 | — | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 76 | 29 |  | Unexpected Elements | BBC World Service | |
| 77 | 29 |  | Invisibilia | NPR | |
| 78 | 29 | D | Dangerous World Podcast | Ryan Dean | |
| 79 | 8 | V | Videnskab fra vilde hjerner | Niels Bohr Institutet · Københavns Universitet | |
| 80 | 28 |  | This Week in Virology | Vincent Racaniello | |
| 81 | 28 | S | Sternzeit | Deutschlandfunk | |
| 82 | 18 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 83 | 29 |  | Hjertesager Podcast | Hjertesager Podcast | |
| 84 | 29 |  | Green Dreamer: Seeding change towards collective healing, sustainability, regeneration | kaméa chayne | |
| 85 | 29 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 86 | 27 | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 87 | 27 |  | Nature Podcast | Springer Nature Limited | |
| 88 | 27 |  | Countercurrent: conversations with Professor Roger Kneebone | Professor Roger Kneebone | |
| 89 | — |  | Your Brain On Climate | Dave Powell | |
| 90 | 28 |  | Robinson's Podcast | Robinson Erhardt | |
| 91 | 28 | K | K9 Conservationists | Kayla Fratt | |
| 92 | 10 |  | Overheard at National Geographic | National Geographic | |
| 93 | 28 |  | Podcast UFO | Martin Willis | |
| 94 | 28 |  | The Psychology Podcast | iHeartPodcasts | |
| 95 | 28 |  | Big Picture Science | Big Picture Science | |
| 96 | 28 |  | Das Wissen | SWR | SWR | |
| 97 | 84 |  | Cool Worlds Podcast | coolworldslab | |
| 98 | 28 |  | New Books in Critical Theory | Marshall Poe | |
| 99 | 27 |  | Big Brains | University of Chicago Podcast Network | |
| 100 | 27 |  | Science Friday | Science Friday and WNYC Studios | |
