| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 7 |  | More or Less | BBC Radio 4 | |
| 3 | 1 |  | Get Birding | Peanut & Crumb | |
| 4 | 7 |  | Radiolab | WNYC Studios | |
| 5 | 3 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 6 | — |  | Ologies with Alie Ward | Alie Ward | |
| 7 | — | B | Boring History for Sleep | Velvet | |
| 8 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 10 | 6 |  | Science Weekly | The Guardian | |
| 11 | 42 |  | The world, the universe and us | New Scientist | |
| 12 | 1 |  | Curious Cases | BBC Radio 4 | |
| 13 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 14 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 15 | 10 |  | BBC Inside Science | BBC Radio 4 | |
| 16 | 123 | C | CountryWide | RTÉ Radio 1 | |
| 17 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 18 | 4 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 19 | 3 |  | Science Vs | Spotify Studios | |
| 20 | 2 |  | Nature Podcast | Springer Nature Limited | |
| 21 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 22 | 50 |  | Astrum Space | Astrum | |
| 23 | 61 |  | The Catholic Guide to Sustainable Living | Ave Maria University | |
| 24 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 25 | 25 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 26 | 23 |  | CrowdScience | BBC World Service | |
| 27 | 43 | S | Sociology Ruins Everything | Matt Sedlar | |
| 28 | 29 |  | Origin Stories | The Leakey Foundation | |
| 29 | 64 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 30 | 52 |  | The Psychology Podcast | iHeartPodcasts | |
| 31 | 72 |  | Babbage from The Economist | The Economist | |
| 32 | 2 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 33 | 77 |  | Discovery | BBC World Service | |
| 34 | 165 |  | Short Wave | NPR | |
| 35 | 28 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 36 | 26 |  | Universe Today Podcast | Fraser Cain | |
| 37 | 17 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 38 | 12 |  | The Life Scientific | BBC Radio 4 | |
| 39 | 16 |  | All In The Mind | ABC | |
| 40 | 15 | I | In Your Nature | By BirdWatch Ireland | |
| 41 | — |  | Operation Night Cat | New Hampshire Public Radio | |
| 42 | 14 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 43 | — |  | Re:Energise from ESB | ESB | |
| 44 | — |  | Planet Visionaries – SEASON 5 | A podcast in partnership with The Rolex Perpetual Planet Initiative | |
| 45 | — | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 46 | — | T | The Climate Ambassador Podcast | The Climate Ambassador Podcast | |
| 47 | — | T | The Nucleus | Regeneron | |
| 48 | — | E | En Teoría | En Teoría | |
| 49 | — |  | Deep Dive: Space Mysteries Unveiled | Graviton Space Facts | |
| 50 | 50 |  | That UFO Podcast | That UFO Podcast | |
| 51 | 28 |  | Mysterious Universe | 8th Kind | |
| 52 | 20 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 53 | 41 |  | Speaking of Psychology | American Psychological Association | |
| 54 | 140 | S | Space | BBC World Service | |
| 55 | 9 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 56 | 8 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 57 | 36 |  | The Astrophysics Podcast | Paul Duffell | |
| 58 | 34 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 59 | 36 | C | Conservation and Science | Tommy's Outdoors | |
| 60 | 6 |  | The Michael Shermer Show | Michael Shermer | |
| 61 | 95 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 62 | 35 |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 63 | 20 |  | Science Friday | Science Friday and WNYC Studios | |
| 64 | 128 |  | Instant Genius | Our Media | |
| 65 | 32 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 66 | 37 | T | The Cancer Trials Ireland Podcast | Cancer Trials Ireland | |
| 67 | 36 |  | Bigfoot Terror in the Woods Sightings and Encounters | W.J. Sheehan | |
| 68 | 32 |  | Accidental Gods | Accidental Gods | |
| 69 | 29 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 70 | 33 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 71 | 20 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 72 | — |  | Slow Radio | BBC Radio 3 | |
| 73 | 99 |  | Unexpected Elements | BBC World Service | |
| 74 | 40 | P | Pint of Science Ireland | Pint of Science Ireland | |
| 75 | — | T | The Sociology Show | Matthew Wilkin | |
| 76 | 41 |  | Geology Bites | Oliver Strimpel | |
| 77 | — |  | The Market Gardener Podcast | JM Fortier | |
| 78 | — | J | Jon Richardson and the Futurenauts | Keep It Light Media | |
| 79 | 41 | O | Ontario Animal Health Network Veterinary Podcasts | Ontario Animal Health Network | |
| 80 | 41 | G | Grey Matter Podcast | Grey Matter Podcast | |
| 81 | 41 |  | The American Birding Podcast | American Birding Association | |
| 82 | 8 |  | ExtinctZoo | ExtinctZoo | |
| 83 | 2 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 84 | 43 |  | The Science of Birds | Ivan Phillipsen | |
| 85 | 43 |  | The Horse First: A Veterinary Sport Horse Podcast | Audrey DeClue, DVM | |
| 86 | — | T | The Rest is Climate Podcast | Nick Simpson | |
| 87 | 44 |  | Biotech 2050 Podcast | Biotech 2050 | |
| 88 | 44 |  | Navigating Net Zero with Alexia Kelly | Navigating Net Zero | |
| 89 | 44 | B | Brainjo Bites: The Art & Science of Molding a Musical Mind | Josh Turknett, MD | |
| 90 | 55 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 91 | 44 |  | The Brain Health Revolution Podcast | The Brain Docs | |
| 92 | 34 |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 93 | 13 | F | Farming Today | BBC Radio 4 | |
| 94 | 35 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 95 | 45 |  | Somewhere in the Skies | SpectreVision Radio | |
| 96 | 55 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 97 | 29 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 98 | 33 |  | Scotland Outdoors | BBC Radio Scotland | |
| 99 | 3 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 100 | 48 | N | Naturefile | RTÉ lyric fm | |
