| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 15 |  | Get Birding | Peanut & Crumb | |
| 3 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | 2 |  | Science Weekly | The Guardian | |
| 5 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 6 | 6 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 2 | B | Boring History for Sleep | Velvet | |
| 8 | 5 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 9 | 5 |  | More or Less | BBC Radio 4 | |
| 10 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 11 | 3 |  | Radiolab | WNYC Studios | |
| 12 | 5 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 13 | — |  | Curious Cases | BBC Radio 4 | |
| 14 | 4 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 15 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 16 | 5 |  | Science Vs | Spotify Studios | |
| 17 | 35 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 18 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 19 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 20 | 10 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 21 | 58 |  | The Astrophysics Podcast | Paul Duffell | |
| 22 | 36 |  | Nature Podcast | Springer Nature Limited | |
| 23 | 8 | C | Conservation and Science | Tommy's Outdoors | |
| 24 | 16 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 25 | 7 | I | In Your Nature | By BirdWatch Ireland | |
| 26 | 6 |  | The Life Scientific | BBC Radio 4 | |
| 27 | 9 |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 28 | 105 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 29 | 61 | T | The Cancer Trials Ireland Podcast | Cancer Trials Ireland | |
| 30 | — |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 31 | 16 |  | Bigfoot Terror in the Woods Sightings and Encounters | W.J. Sheehan | |
| 32 | 41 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 33 | 99 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 34 | 6 | P | Pint of Science Ireland | Pint of Science Ireland | |
| 35 | 144 |  | Geology Bites | Oliver Strimpel | |
| 36 | 121 |  | Accidental Gods | Accidental Gods | |
| 37 | 130 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 38 | — | O | Ontario Animal Health Network Veterinary Podcasts | Ontario Animal Health Network | |
| 39 | — | G | Grey Matter Podcast | Grey Matter Podcast | |
| 40 | — |  | The American Birding Podcast | American Birding Association | |
| 41 | — |  | The Science of Birds | Ivan Phillipsen | |
| 42 | — |  | The Horse First: A Veterinary Sport Horse Podcast | Audrey DeClue, DVM | |
| 43 | — |  | Biotech 2050 Podcast | Biotech 2050 | |
| 44 | — |  | Navigating Net Zero with Alexia Kelly | Navigating Net Zero | |
| 45 | — | B | Brainjo Bites: The Art & Science of Molding a Musical Mind | Josh Turknett, MD | |
| 46 | 18 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 47 | 8 |  | The Brain Health Revolution Podcast | The Brain Docs | |
| 48 | 24 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 49 | 22 |  | CrowdScience | BBC World Service | |
| 50 | 28 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 51 | 18 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 52 | 27 | N | Naturefile | RTÉ lyric fm | |
| 53 | 30 |  | The world, the universe and us | New Scientist | |
| 54 | 27 |  | The Michael Shermer Show | Michael Shermer | |
| 55 | 29 |  | All In The Mind | ABC | |
| 56 | 22 | L | La guerre des étoiles | Iris Herbelot | |
| 57 | 19 |  | Origin Stories | The Leakey Foundation | |
| 58 | 22 |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 59 | 23 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 60 | 17 |  | Great Mysteries of Physics | The Conversation | |
| 61 | 32 |  | The Numberphile Podcast | Brady Haran | |
| 62 | 3 |  | Universe Today Podcast | Fraser Cain | |
| 63 | 15 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 64 | 33 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 65 | 30 | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 66 | 33 |  | Naturebang | BBC Radio 4 | |
| 67 | 30 | S | Sekcja teorii spiskowych. Podcast Crazy Nauka | Polskie Radio S.A. | |
| 68 | 36 | G | Goccia a goccia | Viveracqua | |
| 69 | 28 | W | White Coat, Black Art | CBC | |
| 70 | 28 | S | Sociology Ruins Everything | Matt Sedlar | |
| 71 | 25 | H | Higher Education Researcher | CHERE@LU | |
| 72 | 4 |  | Astrum Space | Astrum | |
| 73 | 29 | H | How I Wrote This | Brett Gordon and Karen Winterich | |
| 74 | 29 |  | The Social Work Podcast | Jonathan B. Singer, Ph.D., LCSW | |
| 75 | 28 | R | Rambling About Rivers | The Rivers Trust | |
| 76 | 26 | T | Tweet of the Day | BBC Radio 4 | |
| 77 | 51 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 78 | 49 | ' | 'Mind the Kids': an ACAMH podcast | The Association for Child and Adolescent Mental Health | |
| 79 | 70 |  | Mysterious Universe | 8th Kind | |
| 80 | 12 | F | Farming Today | BBC Radio 4 | |
| 81 | 32 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 82 | 17 |  | The Psychology Podcast | iHeartPodcasts | |
| 83 | 11 |  | Science Friday | Science Friday and WNYC Studios | |
| 84 | 24 |  | The Catholic Guide to Sustainable Living | Ave Maria University | |
| 85 | 29 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 86 | 76 | T | The QP Diaries, by AssureBio | Dal Pawar | |
| 87 | 34 | T | The Vet Pod | The Vet Pod | |
| 88 | 54 |  | Mythfits | Pionaire Podcasting | |
| 89 | 51 |  | This Week in Microbiology | Vincent Racaniello | |
| 90 | 47 |  | ExtinctZoo | ExtinctZoo | |
| 91 | 35 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 92 | 50 | C | Conversations on the Pharmaceutical Industry | Reading Scientific Services Ltd | |
| 93 | 33 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 94 | — |  | Speaking of Psychology | American Psychological Association | |
| 94 | 40 |  | Unexplainable | Vox | |
| 95 | 88 |  | Planet Em | Emily McDonald | |
| 96 | 64 |  | Sensible Medicine | Sensible Medicine Authors and Editors | |
| 97 | 63 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 98 | 34 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 99 | 53 | T | The Qualitalks Podcast | Qualistery | |
