| 1 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 2 | 2 |  | Radiolab | WNYC Studios | |
| 3 | 9 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 3 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 5 | 3 |  | Curious Cases | BBC Radio 4 | |
| 6 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | — |  | More or Less | BBC Radio 4 | |
| 8 | 2 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 9 | 11 |  | Unexplainable | Vox | |
| 10 | 1 |  | Babbage from The Economist | The Economist | |
| 11 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 1 |  | Re:Energise from ESB | ESB | |
| 13 | 1 |  | Science Weekly | The Guardian | |
| 14 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 15 | 7 | B | Boring History for Sleep | Velvet | |
| 16 | 7 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 17 | 50 | N | Naturefile | RTÉ lyric fm | |
| 18 | 51 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 19 | 36 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 20 | 2 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 21 | 1 |  | That's Just Wild | Fresh Air | |
| 22 | 84 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 23 | 55 |  | Podcast UFO | Martin Willis | |
| 24 | 5 |  | Cool Worlds Podcast | coolworldslab | |
| 25 | 5 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 26 | 10 |  | Discovery | BBC World Service | |
| 27 | 109 |  | Short Wave | NPR | |
| 28 | 115 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 29 | 144 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 30 | 14 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 31 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 32 | — |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 33 | — |  | Naturebang | BBC Radio 4 | |
| 34 | — |  | Ask the Naked Scientists | Dr Chris Smith | |
| 35 | 20 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 36 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 37 | — |  | Flow Radio | Flow Research Collective | |
| 38 | — |  | Healthcare Perspectives | Siemens Healthineers | |
| 39 | — | Ł | Łapacz słów. Podcast o języku | Olga Woźniak | |
| 40 | — | V | Vaccine Curious | Christine Stabell Benn | |
| 41 | — | B | BioScience Talks | American Institute of Biological Sciences | |
| 42 | 25 |  | The Climate Question | BBC World Service | |
| 43 | 24 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 44 | 55 |  | Rare Earth | BBC Radio 4 | |
| 45 | 24 | I | In Your Nature | By BirdWatch Ireland | |
| 46 | 18 |  | The Plodcast | Our Media | |
| 47 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 48 | 22 |  | Science Friday | Science Friday and WNYC Studios | |
| 49 | 24 | T | The Critter Shed | Collie Ennis & Colette Kinsella for Red Hare Media | |
| 50 | 26 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 51 | 24 | C | Conservation and Science | Tommy's Outdoors | |
| 52 | 109 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 53 | 136 | P | Pharma Market Access Insights - from Petauri Evidence | Petauri Evidence | |
| 54 | 22 | H | How To Protect The Ocean | Andrew Lewin | |
| 55 | — |  | The History of Chemistry | Steve Cohen | |
| 56 | 25 |  | Why Do We Do That? | BBC Radio 4 | |
| 57 | 24 |  | The Optispan Podcast with Matt Kaeberlein | Optispan | |
| 58 | — |  | Geology Bites | Oliver Strimpel | |
| 59 | — |  | The Orthobullets Podcast | Orthobullets | |
| 60 | — | W | What If: Science, Theory, and Possibilities | What If | |
| 61 | 26 | 6 | 60-Second Earth | Scientific American | |
| 62 | 26 |  | 60-Second Health | Scientific American | |
| 63 | 26 | 6 | 60-Second Mind | Scientific American | |
| 64 | 30 |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 65 | 27 | S | Science in Perspective | Sean McClure | |
| 66 | 27 | C | Curiosity Unbounded | Massachusetts Institute of Technology (MIT) | |
| 67 | 27 | T | The Procedures Course | Dr Amit Maini | |
| 68 | 26 |  | Science In Action | BBC World Service | |
| 69 | 24 | F | Farming Today | BBC Radio 4 | |
| 70 | 23 |  | Speaking of Psychology | American Psychological Association | |
| 71 | 25 |  | Origin Stories | The Leakey Foundation | |
| 72 | 22 |  | Mysterious Universe | 8th Kind | |
| 73 | 30 | L | Love The Bees Podcast | Yvonne Johnston | |
| 74 | 26 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 75 | 26 |  | The Casual Birder Podcast | Suzy Buttress | |
| 76 | 25 |  | The Life Scientific | BBC Radio 4 | |
| 77 | 25 | ![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 | |
| 78 | 24 | T | The Social Care Podcast - Sharing Stories | The Social Care Podcast | |
| 79 | 16 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 80 | 27 |  | Bigfoot Society | Jeremiah Byron | |
| 81 | 16 | F | Farming for Nature | Farming for Nature | |
| 82 | 26 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 83 | 20 | A | American Journal of Psychiatry Audio | American Journal of Psychiatry | |
| 84 | 27 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 85 | 27 |  | Thoughtforms Life | Michael Levin | |
| 86 | 27 |  | The Medbullets Step 1 Podcast | Medbullets | |
| 87 | 27 |  | Biotech 2050 Podcast | Biotech 2050 | |
| 88 | 27 | O | Owl Posting | Abhishaike Mahajan | |
| 89 | 27 | T | The Caravan, Library of Lore Podcast | The Caravan, Library Of Lore | Age of Radio | |
| 90 | 26 |  | It's Sedimentary, My Dear: A Geology Podcast | Ellen & Jane | |
| 91 | 25 | E | EU Trade Policy and the Rise of Geopolitics | Jean Monnet Chair EU Trade Policy - Prof. Joachim Schild | |
| 92 | 8 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 93 | 23 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 94 | 26 |  | Need To Know | Bryce Zabel | |
| 95 | 1 |  | That UFO Podcast | That UFO Podcast | |
| 96 | 35 |  | CrowdScience | BBC World Service | |
| 97 | 26 |  | Robinson's Podcast | Robinson Erhardt | |
| 98 | 26 | A | A Neuroscientist Explains | The Guardian | |
| 99 | 9 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 100 | 7 |  | BBC Inside Science | BBC Radio 4 | |
