| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | 2 |  | Radiolab | WNYC Studios | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | 9 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | 81 |  | Ecosystemic Futures | Dyan Finkhousen: CEO of Shoshin Works | |
| 7 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 8 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 10 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 11 | 30 |  | Science Weekly | The Guardian | |
| 12 | 5 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 13 | 5 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 14 | 5 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 15 | 3 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 16 | 54 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 17 | 164 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 18 | 13 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 19 | 8 |  | More or Less | BBC Radio 4 | |
| 20 | 4 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 21 | 6 | B | Boring History for Sleep | Velvet | |
| 22 | 9 |  | The Psychology Podcast | iHeartPodcasts | |
| 23 | 22 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 24 | 12 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 25 | — | H | Hyde Park Civilizace | Česká televize | |
| 26 | — | R | Ri Science Podcast | The Royal Institution | |
| 27 | — | P | Pracademics Inc | Pracademics Inc | |
| 28 | 159 |  | SciShow Tangents | Complexly | |
| 29 | — | H | How To Protect The Ocean | Andrew Lewin | |
| 30 | — |  | Psychoanalysis & You | APsA American Psychoanalytic Association | |
| 31 | — |  | The Optispan Podcast with Matt Kaeberlein | Optispan | |
| 32 | — |  | The Social Work Podcast | Jonathan B. Singer, Ph.D., LCSW | |
| 33 | — | L | La Suite dans les idées | France Culture | |
| 34 | — | U | Urban Radar | Sheffield Urbanism | |
| 35 | — | T | Two Paeds In A Pod | Dr Ian Lewins | |
| 36 | 19 | I | In Your Nature | By BirdWatch Ireland | |
| 37 | 6 | C | CountryWide | RTÉ Radio 1 | |
| 38 | 33 |  | Rare Earth | BBC Radio 4 | |
| 39 | 91 |  | Unexplainable | Vox | |
| 40 | 38 |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 41 | 9 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 42 | 86 | N | Naturefile | RTÉ lyric fm | |
| 43 | 84 |  | Astrum Space | Astrum | |
| 44 | 25 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 45 | 15 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 46 | 26 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 47 | 25 |  | The world, the universe and us | New Scientist | |
| 48 | 27 |  | Instant Genius | Our Media | |
| 49 | 25 | D | Double Loop Podcast | Glenn Langenburg and Eric Ray | |
| 50 | 27 |  | Let's Learn Everything! | Maximum Fun | |
| 51 | — |  | New Books in Psychoanalysis | Marshall Poe | |
| 52 | — |  | Origin Stories | The Leakey Foundation | |
| 53 | — |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 54 | — | T | The Critter Shed | Collie Ennis & Colette Kinsella for Red Hare Media | |
| 55 | — | P | Psychology | Yale School of Medicine | |
| 56 | — |  | 洪晃|晃然大悟 | 洪晃|晃然大悟 | |
| 57 | 32 | D | Dementia Researcher Blogs | Dementia Researcher | |
| 58 | 32 |  | GreenUP - A Micro-Podcast About GreenTech and Sustainability | Peter Gorne | |
| 59 | 32 | A | Agents Of Tech | WebsEdge | |
| 60 | 32 | L | Live Longer World | Aastha Jain | |
| 61 | 32 | I | If You Were An Engineer | Primary Engineer | |
| 62 | 29 | T | The Dairy Trail | Agriland Media | |
| 63 | 29 |  | Manifold | Steve Hsu | |
| 64 | 29 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 65 | 16 |  | BBC Inside Science | BBC Radio 4 | |
| 66 | 29 |  | A Life More Wild | Canopy & Stars | |
| 67 | 29 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 68 | 5 |  | CrowdScience | BBC World Service | |
| 69 | 30 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 70 | 26 |  | The Skeptic Podcast | The Skeptic | |
| 71 | 2 |  | Science Vs | Spotify Studios | |
| 72 | — |  | All In The Mind | ABC | |
| 73 | 25 |  | Babbage from The Economist | The Economist | |
| 74 | 27 | I | I AM BIO | Biotechnology Innovation Organization | |
| 75 | 35 |  | Overheard at National Geographic | National Geographic | |
| 76 | 25 |  | Chemistry Made Simple | Matthew Macariou | |
| 77 | 27 |  | ScienceStuff | iHeartPodcasts | |
| 78 | 32 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 79 | 12 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 80 | 27 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 81 | 29 | P | PharmaSource Podcast | Life Science Networks | |
| 82 | 25 | M | Making Science with Tom Whipple | The Times | |
| 83 | 29 |  | The Numberphile Podcast | Brady Haran | |
| 84 | 26 |  | The Hydrogen Podcast | Paul Rodden | |
| 85 | 29 |  | Biotech 2050 Podcast | Biotech 2050 | |
| 86 | 27 | A | A Light On | A Light On | |
| 87 | 27 | F | Farming for Nature | Farming for Nature | |
| 88 | 27 | S | Social Work Radio | Social Work Radio | |
| 89 | 27 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 90 | 27 |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 91 | 27 | T | The Universe Speaks in Numbers | Faber and Faber | |
| 92 | 27 | C | Complicating The Narrative | Salma Abdalla | |
| 93 | 27 | T | The BioProcess Insider Expression Platform | Dan Stanton | |
| 94 | 52 |  | Mysterious Universe | 8th Kind | |
| 95 | 2 |  | Discovery | BBC World Service | |
| 96 | 28 |  | Drilled | Pushkin Industries | |
| 97 | 42 |  | Science In Action | BBC World Service | |
| 98 | 23 |  | The Life Scientific | BBC Radio 4 | |
| 99 | 25 |  | Speaking of Psychology | American Psychological Association | |
| 100 | 24 |  | Mythfits | Pionaire Podcasting | |
