| 1 | — | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 2 | 1 |  | Science Weekly | The Guardian | |
| 3 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | — |  | Curious Cases | BBC Radio 4 | |
| 5 | — |  | More or Less | BBC Radio 4 | |
| 6 | 2 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 7 | 20 | N | Naturefile | RTÉ lyric fm | |
| 8 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 9 | 6 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 10 | 4 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 11 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | 5 |  | Radiolab | WNYC Studios | |
| 13 | 1 | I | In Your Nature | By BirdWatch Ireland | |
| 14 | 1 |  | Overheard at National Geographic | National Geographic | |
| 15 | 14 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 16 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 17 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 18 | 7 |  | Discovery | BBC World Service | |
| 19 | 10 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 20 | 43 |  | Ologies with Alie Ward | Alie Ward | |
| 21 | 12 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 22 | 132 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 23 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 24 | — |  | Alien Encounters | Science Channel | |
| 25 | 22 | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 26 | 14 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 27 | 48 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 28 | 10 | T | The Artificial Human | BBC Radio 4 | |
| 29 | 7 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 30 | 98 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 31 | 118 |  | Science Vs | Spotify Studios | |
| 32 | 11 |  | The Deep End | Science News | |
| 33 | 10 |  | BBC Inside Science | BBC Radio 4 | |
| 34 | 10 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 35 | 15 | C | CountryWide | RTÉ Radio 1 | |
| 36 | 98 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 37 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 38 | 141 | T | The Dental Guys | The Dental Guys | |
| 39 | 14 |  | All In The Mind | ABC | |
| 40 | — |  | Need To Know | Bryce Zabel | |
| 41 | 1 |  | Unexplainable | Vox | |
| 42 | — |  | Ciência Suja | Ciência Suja | |
| 43 | — |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 44 | — |  | Because Language - a podcast about linguistics, the science of language. | Daniel Midgley, Ben Ainslie, and Hedvig Skirgård | |
| 45 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 46 | — | N | Nature News from RSPB Scotland | RSPB Scotland | |
| 47 | 19 | T | The Science of Psychotherapy | Dahlitz Media | |
| 48 | — | T | Tracking Traits | Penn State's Center for Human Evolution and Diversity | |
| 49 | — |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 50 | — |  | Drilled | Pushkin Industries | |
| 51 | — | F | Futureproof Gold | Newstalk | |
| 52 | — | D | Discovering Us | The Leakey Foundation | |
| 53 | — | T | The MOFcast | Ocean Cheung | |
| 54 | — |  | Energy Switch | Switch Energy Alliance | |
| 55 | — |  | Ireland's Landscape Histories and Futures | Stephanie O'Rourke | |
| 56 | 24 |  | Speaking of Psychology | American Psychological Association | |
| 57 | 27 |  | The Life Scientific | BBC Radio 4 | |
| 58 | 18 |  | The Michael Shermer Show | Michael Shermer | |
| 59 | 25 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 60 | 29 |  | The world, the universe and us | New Scientist | |
| 61 | 25 |  | That UFO Podcast | That UFO Podcast | |
| 62 | 27 |  | CrowdScience | BBC World Service | |
| 63 | 19 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 64 | 26 |  | Robinson's Podcast | Robinson Erhardt | |
| 65 | 28 |  | The Psychology Podcast | iHeartPodcasts | |
| 66 | 27 |  | Unexpected Elements | BBC World Service | |
| 67 | 26 |  | Accidental Gods | Accidental Gods | |
| 68 | 25 |  | Why Do We Do That? | BBC Radio 4 | |
| 69 | 23 |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 70 | 17 |  | Почему мы еще живы | libo/libo | |
| 71 | 26 |  | Sensible Medicine | Sensible Medicine Authors and Editors | |
| 72 | 24 | S | Song and Plants | Carmen Porter | |
| 73 | 22 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 74 | 16 |  | Invisibilia | NPR | |
| 75 | — |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 76 | 27 |  | Naturebang | BBC Radio 4 | |
| 77 | 21 | M | Many Minds | Kensy Cooperrider – Diverse Intelligences Summer Institute | |
| 78 | 4 |  | Universe Today Podcast | Fraser Cain | |
| 79 | 29 |  | Wissen Weekly | Spotify Studios | |
| 80 | 28 |  | Science Friday | Science Friday and WNYC Studios | |
| 81 | 29 |  | The Science of Birds | Ivan Phillipsen | |
| 82 | 28 |  | The Astrophysics Podcast | Paul Duffell | |
| 83 | 28 |  | Rare Earth | BBC Radio 4 | |
| 84 | 27 |  | The Social-Engineer Podcast | Social-Engineer, LLC | |
| 85 | 26 | T | Two Paeds In A Pod | Dr Ian Lewins | |
| 86 | 26 | T | The Energy Law Podcast | Dr. Max Baumgart | |
| 87 | 26 | S | Synaptic Tails | Dômes Pharma UK | |
| 88 | 26 | H | Healthcare Unfiltered | Chadi Nabhan | |
| 89 | 16 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 90 | 23 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 91 | 26 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 92 | 26 | F | Farming Today | BBC Radio 4 | |
| 93 | 67 |  | Scotland Outdoors | BBC Radio Scotland | |
| 94 | 24 |  | Ask a Spaceman! | Paul M. Sutter | |
| 95 | 31 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 96 | 28 |  | The Common Descent Podcast | Common Descent | |
| 97 | 25 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 98 | 27 | T | The Social Work Stories Podcast | The Social Work Stories Team | |
| 99 | 30 |  | Голый землекоп | libo/libo | |
| 100 | 19 |  | The Social Work Podcast | Jonathan B. Singer, Ph.D., LCSW | |
