| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 1 |  | More or Less | BBC Radio 4 | |
| 5 | 10 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 6 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 1 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 8 | 9 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 9 | 2 |  | Science Weekly | The Guardian | |
| 10 | 2 |  | Radiolab | WNYC Studios | |
| 11 | 7 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 12 | 7 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 13 | 5 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 14 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 15 | 18 |  | The world, the universe and us | New Scientist | |
| 16 | 16 |  | Overheard at National Geographic | National Geographic | |
| 17 | 7 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 18 | 94 | C | CountryWide | RTÉ Radio 1 | |
| 19 | 9 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 20 | 7 |  | The Life Scientific | BBC Radio 4 | |
| 21 | 22 |  | Science In Action | BBC World Service | |
| 22 | 9 | N | Naturefile | RTÉ lyric fm | |
| 23 | — |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 24 | 150 |  | All In The Mind | ABC | |
| 25 | 36 | W | WYLDE, the podcast about foraging and herbalism in Europe | Lieve Galle | |
| 26 | 55 | ![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 | |
| 27 | 60 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 28 | 57 |  | Skeptoid | Brian Dunning | |
| 29 | 73 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 30 | 14 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 31 | 11 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 32 | — |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 33 | 11 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 34 | 83 | I | In Your Nature | By BirdWatch Ireland | |
| 35 | 17 |  | Robinson's Podcast | Robinson Erhardt | |
| 36 | 17 |  | Speaking of Psychology | American Psychological Association | |
| 37 | 131 |  | This Week in Cardiology | Medscape | |
| 38 | 9 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 39 | — |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 40 | — | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 41 | — |  | پادکست قطره | Ghatre podcast | Mohammad Baniharouni | |
| 42 | — |  | Instant Genius | Our Media | |
| 43 | — | T | The Animal Sensemaker | The Observer | |
| 44 | 23 |  | Origin Stories | The Leakey Foundation | |
| 45 | — | C | CHEST Journal Podcasts | American College of Chest Physicians | |
| 46 | — |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 47 | — | B | Breaking beliefism | Prof Paul Dolan | |
| 48 | — | V | Voices of Life Sciences | Biopôle SA | |
| 49 | — | T | This is CDR | OpenAir Collective | |
| 50 | — | T | The Carbon Removal Show | Carbon Suckers Media | |
| 51 | 28 | T | The Vet Pod | The Vet Pod | |
| 52 | 22 |  | BBC Inside Science | BBC Radio 4 | |
| 53 | 27 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 54 | 29 |  | The Climate Question | BBC World Service | |
| 55 | 21 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 56 | 28 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 57 | 8 |  | Science Vs | Spotify Studios | |
| 58 | 5 |  | That UFO Podcast | That UFO Podcast | |
| 59 | 28 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 60 | 12 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 61 | 20 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 62 | 11 |  | Scotland Outdoors | BBC Radio Scotland | |
| 63 | 23 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 64 | 26 | T | too long didn’t read | The Alan Turing Institute | |
| 65 | 29 | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 66 | 31 | С | Суперсилы | Т—Ж | |
| 67 | 22 |  | The Quanta Podcast | Quanta Magazine | |
| 68 | 31 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 69 | 30 | T | The Huw Richards Show | Huw Richards | |
| 70 | 28 | E | ERS Publications Podcasts | ERS Publications Podcasts | |
| 71 | 27 | Q | Qubit Podcast | QUBIT.HU | |
| 72 | 26 |  | Geologia Oviedo | Departamento y Facultad de Geología de la Universidad de Oviedo | |
| 73 | — |  | Seeking A Scientist | KCUR Studios | |
| 74 | 14 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 75 | 28 | L | Love The Bees Podcast | Yvonne Johnston | |
| 76 | 18 |  | Mysterious Universe | 8th Kind | |
| 77 | 27 |  | The Psychology Podcast | iHeartPodcasts | |
| 78 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 79 | 25 |  | Drilled | Pushkin Industries | |
| 80 | 21 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 81 | 29 |  | Most Terrifying Places in America | Travel Channel | |
| 82 | 27 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 83 | 27 |  | Outside/In | NHPR | |
| 84 | 81 |  | The Michael Shermer Show | Michael Shermer | |
| 85 | 1 |  | CrowdScience | BBC World Service | |
| 86 | 7 |  | Science Talk | Scientific American | |
| 87 | 30 |  | Geology Bites | Oliver Strimpel | |
| 88 | 28 | S | Smith and Marx Walk into a Bar: A History of Economics Podcast | Smith and Marx Walk into a Bar | |
| 89 | 22 |  | Unexpected Elements | BBC World Service | |
| 90 | 27 |  | The Astrophysics Podcast | Paul Duffell | |
| 91 | 5 |  | Science Friday | Science Friday and WNYC Studios | |
| 92 | 17 | ' | 'Mind the Kids': an ACAMH podcast | The Association for Child and Adolescent Mental Health | |
| 93 | 16 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 94 | 32 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 95 | 31 | T | The Chernobyl Catastrophe Podcast | Dominic Cardenas | |
| 96 | 24 |  | Sky Tour Astronomy Podcast | American Astronomical Society | |
| 97 | 32 | F | Fire Science Show | Wojciech Wegrzynski | |
| 98 | 32 | U | Unified Health Aid Podcast | Unified Health Aid | |
| 99 | 32 | D | DiscoScienza di Andrea Bellati | Andrea Bellati & VOIS | |
| 100 | 32 | J | JIMD Podcasts | Journal of Inherited Metabolic Disease | |
