| 1 | 2 |  | Curious Cases | BBC Radio 4 | |
| 2 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 3 | 77 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 4 | 9 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | 36 |  | Science Vs | Spotify Studios | |
| 6 | 20 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 7 | 2 |  | Radiolab | WNYC Studios | |
| 8 | 1 | W | Why? with Emma Kennedy | Podmasters | |
| 9 | 7 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 10 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 11 | 5 |  | Ologies with Alie Ward | Alie Ward | |
| 12 | 8 |  | Science Weekly | The Guardian | |
| 13 | 4 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 14 | 13 |  | All In The Mind | ABC | |
| 15 | 5 |  | Overheard at National Geographic | National Geographic | |
| 16 | 5 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 17 | 6 |  | More or Less | BBC Radio 4 | |
| 18 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 19 | 7 |  | A Life More Wild | Canopy & Stars | |
| 20 | 3 | C | CountryWide | RTÉ Radio 1 | |
| 21 | 2 |  | Discovery | BBC World Service | |
| 22 | — |  | Unexplainable | Vox | |
| 23 | 40 |  | Great Mysteries of Physics | The Conversation | |
| 24 | 9 |  | BBC Inside Science | BBC Radio 4 | |
| 25 | 3 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 26 | 12 | N | Naturefile | RTÉ lyric fm | |
| 27 | 19 | I | In Your Nature | By BirdWatch Ireland | |
| 28 | 14 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 29 | 20 |  | How We're Wired | The Bertarelli Foundation | |
| 30 | 55 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 31 | 110 |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 32 | 17 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 33 | 101 |  | Short Wave | NPR | |
| 34 | 109 |  | The Plodcast | Our Media | |
| 35 | 19 |  | Physics World Weekly Podcast | Physics World | |
| 36 | — |  | The Science of Everything Podcast | James Fodor | |
| 37 | — | O | On Wisdom | Charles Cassidy and Igor Grossmann | |
| 38 | — |  | Science Quickly | Scientific American | |
| 39 | — | P | Pete the Vet's Podcast | Pete Wedderburn | |
| 40 | — |  | Cosmos In You - Guide to Inner Space | Suzannah Scully | |
| 41 | — | R | Ri Science Podcast | The Royal Institution | |
| 42 | — |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 43 | — | P | PsychCrunch | The British Psychological Society Research Digest | |
| 44 | — |  | Spacepod | Carrie Nugent | |
| 45 | — |  | I Was Prey | Animal Planet | |
| 46 | — | N | Neurology: Disease Deep Dive | Practical Neurology | |
| 47 | — | I | Inside Cancer Careers | National Cancer Institute | |
| 48 | — | T | The Reintroduction & Rewilding Summit Podcast | Birds of Poole Harbour | |
| 49 | — | R | Research Round-up | Research Round-up | |
| 50 | 33 |  | Ground Truths | Eric Topol | |
| 51 | 27 |  | CrowdScience | BBC World Service | |
| 52 | 34 |  | Speed & Scale | TED | |
| 53 | 33 |  | You Are Not So Smart | You Are Not So Smart | |
| 54 | 2 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 55 | 12 |  | That UFO Podcast | That UFO Podcast | |
| 56 | 27 |  | Science Friday | Science Friday and WNYC Studios | |
| 57 | 12 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 58 | 26 |  | Making Sense with Sam Harris | Sam Harris | |
| 59 | 29 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 60 | 29 |  | Ask a Spaceman! | Paul M. Sutter | |
| 61 | 25 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 62 | 22 |  | The world, the universe and us | New Scientist | |
| 63 | 29 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 64 | 9 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 65 | 30 |  | Invisibilia | NPR | |
| 66 | 29 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 67 | 28 | A | American Journal of Preventive Medicine | Various | |
| 68 | 24 |  | Accidental Gods | Accidental Gods | |
| 69 | 10 |  | Science In Action | BBC World Service | |
| 70 | 12 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 71 | 25 |  | Ecosystemic Futures | Dyan Finkhousen: CEO of Shoshin Works | |
| 72 | 29 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 73 | 26 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 74 | 26 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 75 | 10 |  | The Michael Shermer Show | Michael Shermer | |
| 76 | 24 |  | Sasquatch Odyssey | Sasquatch Odyssey-Bigfoot Encounters | |
| 77 | 25 |  | Need To Know | Bryce Zabel | |
| 78 | 28 | T | Tom MacSweeney's Maritime Podcast | Tom MacSweeney | |
| 79 | 28 |  | World’s Wildest: Tales of Earth’s Most Extreme Creatures | Maya Higa & Connor O'Brien | |
| 80 | 27 | T | Talking Transfusion: The Transfusion Evidence Round-Up Podcast | ISBT | Int. Society of Blood Transfusion | |
| 81 | 27 |  | Os três elementos | Os três elementos / TocaCast | |
| 82 | 20 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 83 | 9 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 84 | 6 |  | Scotland Outdoors | BBC Radio Scotland | |
| 85 | 24 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 86 | — |  | Ask the Naked Scientists | Dr Chris Smith | |
| 87 | 4 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 88 | 31 |  | Universe Today Podcast | Fraser Cain | |
| 89 | 32 |  | COMPLEXITY | Santa Fe Institute | |
| 90 | 31 | T | The Jewel of Arabia Expedition | Adventurous Audio | |
| 91 | 32 |  | Instant Genius | Our Media | |
| 92 | 28 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 93 | 23 |  | Unexpected Elements | BBC World Service | |
| 94 | 7 |  | UFO Chronicles Podcast | Nik Hunter | |
| 95 | 27 |  | Speaking of Psychology | American Psychological Association | |
| 96 | 29 |  | Drilled | Pushkin Industries | |
| 97 | 7 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 98 | 17 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 99 | 39 |  | La Science, CQFD | France Culture | |
| 100 | 5 |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
