| 1 | 2 |  | Science Weekly | The Guardian | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 2 |  | Curious Cases | BBC Radio 4 | |
| 4 | 10 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | 6 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 7 | 127 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 8 | 4 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 9 | 2 |  | Radiolab | WNYC Studios | |
| 10 | 23 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 11 | 5 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 12 | 27 |  | The world, the universe and us | New Scientist | |
| 13 | 27 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 14 | 8 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 15 | 2 |  | BBC Inside Science | BBC Radio 4 | |
| 16 | 29 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 17 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 18 | 9 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 19 | 6 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 20 | 13 |  | Cool Worlds Podcast | coolworldslab | |
| 21 | 13 |  | Eons: Surviving Deep Time | PBS | |
| 22 | 91 |  | TED Talks Science and Medicine | TED | |
| 23 | 18 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 24 | 14 |  | Making Sense with Sam Harris | Sam Harris | |
| 25 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 26 | — |  | Infectious Disease Puscast | Vincent Racaniello | |
| 27 | — |  | This Week in Parasitism | Vincent Racaniello | |
| 28 | — |  | Lehto Files - Investigating UAPs | Chris Lehto | |
| 29 | — |  | Quirks and Quarks | CBC | |
| 30 | 41 |  | Unexplainable | Vox | |
| 31 | 8 |  | More or Less | BBC Radio 4 | |
| 32 | 52 | L | Let's Talk Micro | Luis Plaza | |
| 33 | 18 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 34 | 17 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 35 | 15 | I | In Your Nature | By BirdWatch Ireland | |
| 36 | 18 |  | Discovery | BBC World Service | |
| 37 | 16 |  | The Climate Question | BBC World Service | |
| 38 | 73 |  | The Psychology Podcast | iHeartPodcasts | |
| 39 | 15 |  | Rare Earth | BBC Radio 4 | |
| 40 | 18 |  | That UFO Podcast | That UFO Podcast | |
| 41 | 145 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 42 | 153 | W | Why? with Emma Kennedy | Podmasters | |
| 43 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 44 | — |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 45 | 19 |  | Death by Birding | Dr Cesar Puechmarin | |
| 46 | 14 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 47 | — |  | Head Shepherd | Mark Ferguson | |
| 48 | 19 |  | World’s Wildest: Tales of Earth’s Most Extreme Creatures | Maya Higa & Connor O'Brien | |
| 49 | 22 | B | Best Medicine | BBC Radio 4 | |
| 50 | 22 | S | Stopping By Hedgerows | Alan Mee | |
| 51 | — | I | Inteligência Emocional • O Podcast | Paulo Moreira | |
| 52 | 22 | T | The myCOW Podcast | myCOW | |
| 53 | 22 |  | The Water Data Podcast | WELL Labs | |
| 54 | — |  | Döden hjärnan & kemisten | rmv | |
| 55 | 21 |  | Need To Know | Bryce Zabel | |
| 56 | 21 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 57 | 20 |  | Overheard at National Geographic | National Geographic | |
| 58 | 22 |  | Alive Again | iHeartPodcasts | |
| 59 | 21 |  | Science Vs | Spotify Studios | |
| 60 | 18 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 61 | 17 |  | Re:Energise from ESB | ESB | |
| 62 | 19 |  | All In The Mind | ABC | |
| 63 | 16 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 64 | 12 |  | Babbage from The Economist | The Economist | |
| 65 | 17 |  | Wonder | Brazen | |
| 66 | 20 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 67 | 7 | W | Wild Tales | Nature Podcast | National Trust | |
| 68 | 18 |  | This Week in Cardiology | Medscape | |
| 69 | 15 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 70 | 21 |  | Robinson's Podcast | Robinson Erhardt | |
| 71 | 2 |  | The Life Scientific | BBC Radio 4 | |
| 72 | 21 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 73 | — | B | Boring History for Sleep | Velvet | |
| 74 | 21 |  | Das Wissen | SWR | SWR | |
| 75 | 20 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 76 | 20 |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 77 | 20 |  | Ma is tanultam valamit | Index.hu | |
| 78 | 20 | I | If Oceans Could Speak | EU4Ocean | |
| 79 | 20 |  | The Mushroom Hour Podcast | Mushroom Hour | |
| 80 | 19 | T | The Met Éireann Podcast | Met Éireann | |
| 81 | 18 | E | Evolution Talk | Rick Coste | |
| 82 | 18 | C | Clinically Thinking | Clinically Thinking | |
| 83 | 18 |  | Psychedelics Then and Now with Zach Leary | Zach Leary/Psychedelics Today | |
| 84 | 18 |  | Intro to Clinical Research | Debbie and Elyse | |
| 85 | 18 | G | Growing Impact | Penn State Institute of Energy and the Environment | |
| 86 | 18 | L | Listen to The Lancet Child & Adolescent Health | The Lancet Child & Adolescent Health | |
| 87 | 25 | N | Naturefile | RTÉ lyric fm | |
| 88 | 18 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 89 | 11 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 90 | 18 |  | Speaking of Psychology | American Psychological Association | |
| 91 | 16 |  | The Plodcast | Our Media | |
| 92 | 13 |  | Science In Action | BBC World Service | |
| 93 | 13 |  | Origin Stories | The Leakey Foundation | |
| 94 | 20 |  | Decouple | Dr. Chris Keefer | |
| 95 | 19 | T | The Science of Psychotherapy | Dahlitz Media | |
| 96 | 7 |  | Unexpected Elements | BBC World Service | |
| 97 | 17 | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 98 | 21 | T | The Vertue Podcast | Shona Vertue | |
| 99 | 16 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 100 | 19 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
