| 1 | 1 |  | Curious Cases | BBC Radio 4 | |
| 2 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 5 | 10 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | 8 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 7 | — | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 8 | 39 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 9 | 4 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 10 | 39 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 11 | 5 |  | More or Less | BBC Radio 4 | |
| 12 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 13 | 9 |  | The Psychology Podcast | iHeartPodcasts | |
| 14 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 15 | 5 | B | Boring History for Sleep | Velvet | |
| 16 | 7 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 17 | 53 | I | In Your Nature | By BirdWatch Ireland | |
| 18 | 92 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 19 | 112 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 20 | 136 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 21 | 10 |  | Instant Genius | Our Media | |
| 22 | 9 |  | The world, the universe and us | New Scientist | |
| 23 | — |  | Let's Learn Everything! | Maximum Fun | |
| 24 | — | D | Double Loop Podcast | Glenn Langenburg and Eric Ray | |
| 25 | — | D | Dementia Researcher Blogs | Dementia Researcher | |
| 26 | — |  | GreenUP - A Micro-Podcast About GreenTech and Sustainability | Peter Gorne | |
| 27 | — | A | Agents Of Tech | WebsEdge | |
| 28 | — | L | Live Longer World | Aastha Jain | |
| 29 | — | I | If You Were An Engineer | Primary Engineer | |
| 30 | 18 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 31 | 12 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 32 | 16 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 33 | 16 | T | The Dairy Trail | Agriland Media | |
| 34 | 16 |  | Manifold | Steve Hsu | |
| 35 | 77 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 36 | 8 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 37 | 16 |  | A Life More Wild | Canopy & Stars | |
| 38 | 14 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 39 | 97 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 40 | 8 |  | Overheard at National Geographic | National Geographic | |
| 41 | 11 |  | Science Weekly | The Guardian | |
| 42 | 4 |  | Mysterious Universe | 8th Kind | |
| 43 | 20 | C | CountryWide | RTÉ Radio 1 | |
| 44 | 17 |  | The Skeptic Podcast | The Skeptic | |
| 45 | 16 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 46 | 21 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 47 | — | I | I AM BIO | Biotechnology Innovation Organization | |
| 48 | — |  | Babbage from The Economist | The Economist | |
| 49 | 18 |  | BBC Inside Science | BBC Radio 4 | |
| 50 | 24 |  | ScienceStuff | iHeartPodcasts | |
| 51 | 18 |  | Chemistry Made Simple | Matthew Macariou | |
| 52 | 17 | P | PharmaSource Podcast | Life Science Networks | |
| 53 | 19 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 54 | 15 |  | The Numberphile Podcast | Brady Haran | |
| 55 | 3 |  | Science In Action | BBC World Service | |
| 56 | 15 |  | Biotech 2050 Podcast | Biotech 2050 | |
| 57 | 19 | M | Making Science with Tom Whipple | The Times | |
| 58 | 22 |  | The Hydrogen Podcast | Paul Rodden | |
| 59 | — | A | A Light On | A Light On | |
| 60 | 23 | F | Farming for Nature | Farming for Nature | |
| 61 | — | S | Social Work Radio | Social Work Radio | |
| 62 | 22 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 63 | 21 |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 64 | — | T | The Universe Speaks in Numbers | Faber and Faber | |
| 65 | — | C | Complicating The Narrative | Salma Abdalla | |
| 66 | 23 | T | The BioProcess Insider Expression Platform | Dan Stanton | |
| 67 | 22 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 68 | 20 |  | Drilled | Pushkin Industries | |
| 69 | 19 |  | Science Vs | Spotify Studios | |
| 70 | 16 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 71 | 20 |  | Rare Earth | BBC Radio 4 | |
| 72 | 19 |  | All In The Mind | ABC | |
| 73 | 2 |  | CrowdScience | BBC World Service | |
| 74 | 19 |  | Speaking of Psychology | American Psychological Association | |
| 75 | 19 |  | The Life Scientific | BBC Radio 4 | |
| 76 | 19 |  | Mythfits | Pionaire Podcasting | |
| 77 | 37 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 78 | 20 |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 79 | 7 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 80 | 17 | L | LIMIT | LIMIT | |
| 81 | 22 |  | Der KI-Podcast | ARD | |
| 82 | 22 |  | NUCLEAR FUSION IS HERE Quantum Kinetics Corporation “First to Fusion™️” Podcast Series | Randal Bird | |
| 83 | 22 |  | Night Science | Itai Yanai & Martin Lercher | |
| 84 | 22 | S | Simplifying Complexity | Sean Brady from Brady Heywood | |
| 85 | 17 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 86 | 22 |  | Votre cerveau | France Culture | |
| 87 | 22 |  | Ecosystemic Futures | Dyan Finkhousen: CEO of Shoshin Works | |
| 88 | 22 | G | Geopulse: Guns - Gadgets - Genes - Germs | Tamim Asey | |
| 89 | 22 | L | LSTM in Conversation | Liverpool School of Tropical Medicine | |
| 90 | 9 | F | Farming Today | BBC Radio 4 | |
| 91 | 17 |  | Scotland Outdoors | BBC Radio Scotland | |
| 92 | 23 | N | New Scientist Weekly | New Scientist | |
| 93 | 9 |  | Discovery | BBC World Service | |
| 94 | 17 |  | Das Wissen | SWR | SWR | |
| 95 | 15 |  | Science Friday | Science Friday and WNYC Studios | |
| 96 | 21 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 97 | 7 |  | Nature Podcast | Springer Nature Limited | |
| 98 | 25 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 99 | 23 | F | Fossil vs Future | James Cameron and Daisy Nicholls | |
| 100 | 27 |  | Somewhere in the Skies | SpectreVision Radio | |
