| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | 8 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 3 | — |  | Radiolab | WNYC Studios | |
| 4 | 1 |  | Science Weekly | The Guardian | |
| 5 | 2 |  | More or Less | BBC Radio 4 | |
| 6 | 1 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 6 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 7 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 11 | 4 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 11 | 2 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 11 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 11 | 3 |  | The world, the universe and us | New Scientist | |
| 12 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 12 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 12 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 13 | 3 |  | Unexplainable | Vox | |
| 14 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 15 | 4 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 15 | — | C | CountryWide | RTÉ Radio 1 | |
| 15 | 6 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 17 | 8 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 18 | 15 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 19 | 6 | B | Boring History for Sleep | Velvet | |
| 22 | 12 |  | Science Vs | Spotify Studios | |
| 23 | 11 |  | CrowdScience | BBC World Service | |
| 23 | 4 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 23 | 4 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 24 | — | C | Climate change - off the record | Dr Clare Noone and Dr Róisín Moriarty | |
| 24 | 10 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 26 | 18 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 27 | 20 |  | A Question of Science | The Francis Crick Institute | |
| 28 | 6 |  | Unexpected Elements | BBC World Service | |
| 28 | — |  | Mysterious Universe | 8th Kind | |
| 28 | 12 |  | The Life Scientific | BBC Radio 4 | |
| 31 | — |  | The Climate Question | BBC World Service | |
| 31 | 11 |  | The Psychology Podcast | iHeartPodcasts | |
| 32 | 1 | N | Naturefile | RTÉ lyric fm | |
| 32 | 18 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 32 | 7 |  | Speaking of Psychology | American Psychological Association | |
| 32 | 14 |  | Scotland Outdoors | BBC Radio Scotland | |
| 33 | 4 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 33 | — |  | The Quanta Podcast | Quanta Magazine | |
| 34 | 6 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 35 | 10 |  | Astrum Space | Astrum | |
| 36 | 1 |  | All In The Mind | ABC | |
| 36 | — |  | Planet Visionaries – SEASON 5 | A podcast in partnership with The Rolex Perpetual Planet Initiative | |
| 37 | — | C | Chris Skinner's Countryside Podcast | SOUNDYARD | |
| 37 | 1 |  | Babbage from The Economist | The Economist | |
| 38 | 9 |  | Planet Em | Emily McDonald | |
| 38 | 4 |  | Universe Today Podcast | Fraser Cain | |
| 40 | — | S | Silicon Valley Astronomy Lectures | Silicon Valley Astronomy Lectures | |
| 41 | — | S | Sci Guys | The Sci Guys | |
| 41 | 23 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 42 | 17 | I | In Your Nature | By BirdWatch Ireland | |
| 42 | 5 |  | The Science Show | ABC | |
| 42 | 101 | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 43 | 13 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 44 | — |  | Ground Truths | Eric Topol | |
| 45 | — | N | Nové ostrovy s Václavem Cílkem | Václav Cílek a Dagmar Morozová | |
| 45 | 1 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 45 | 4 |  | Tạp chí khoa học | RFI Tiếng Việt | |
| 46 | 22 |  | Instant Genius | Our Media | |
| 46 | — | F | Futuro presente | Il Post - Beatrice Mautino | |
| 47 | 122 |  | Re:Energise from ESB | ESB | |
| 47 | 10 |  | Big Picture Science | Big Picture Science | |
| 48 | 10 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 49 | 16 |  | Win-Win with Liv Boeree | Liv Boeree | |
| 49 | — |  | The Social-Engineer Podcast | Social-Engineer, LLC | |
| 51 | 8 |  | Science Quickly | Scientific American | |
| 52 | 18 |  | A Life More Wild | Canopy & Stars | |
| 52 | 10 |  | Discovery | BBC World Service | |
| 52 | 5 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 53 | — |  | Chromatography Life | Waters Corporation | |
| 53 | — | C | Conversations in Fetal Medicine | Conversations in Fetal Medicine | |
| 53 | 134 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 53 | 62 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 53 | 19 |  | Почему мы еще живы | libo/libo | |
| 53 | 29 | N | Nocturnal Worlds | Audiocraft | |
| 54 | — | H | Hack The Box: Stories | Hack The Box | |
| 54 | — |  | Wissen Weekly | Spotify Studios | |
| 54 | 11 |  | Fuld af viden - Forskernes fredagsbar | Videnslyd | |
| 55 | 10 | B | Backstory: How Research Papers in Economics Get Made | UC San Diego | |
| 55 | — | E | Ecolution | RTÉ Kids | |
| 56 | 6 | P | Project Medtech | Project Medtech | |
| 57 | 12 |  | Nature Podcast | Springer Nature Limited | |
| 59 | 3 | T | The Vet Pod | The Vet Pod | |
| 60 | 8 |  | Curiosity Weekly | Discovery | |
| 60 | — | A | AstroViktor Podcast | Vittorio Baraldi | |
| 60 | — | T | The Life Of The Mind by Steven Pinker | This Is 42 | |
| 61 | 7 |  | Main Engine Cut Off | Anthony Colangelo | |
| 62 | 22 |  | AKO ĽUDSTVO OBJAVOVALO | BAUER MEDIA Slovakia | |
| 62 | — |  | How We're Wired | The Bertarelli Foundation | |
| 63 | 2 | T | The Orbital Mechanics Podcast | David Fourman, Ben Etherington, and Dennis Just | |
| 64 | 15 |  | Somewhere in the Skies | SpectreVision Radio | |
| 64 | 28 |  | Overheard at National Geographic | National Geographic | |
| 64 | 7 | D | DeltaV | Mary-Kate Smith | |
| 65 | 1 | E | Esprit de justice | France Culture | |
| 66 | — |  | In Defense of Plants Podcast | In Defense of Plants | |
