| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 1 | — |  | Science Weekly | The Guardian | |
| 2 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 6 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 4 | 1 |  | Radiolab | WNYC Studios | |
| 5 | 1 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 6 | 2 |  | Unexplainable | Vox | |
| 7 | — |  | BBC Inside Science | BBC Radio 4 | |
| 8 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 9 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | — |  | Where The Wild Thoughts Are | Jo Marchant | |
| 10 | — | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 13 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 13 | — | F | Farming Today | BBC Radio 4 | |
| 13 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 14 | 5 |  | A Question of Science | The Francis Crick Institute | |
| 15 | 4 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 15 | — |  | Drilled | Pushkin Industries | |
| 16 | — |  | Science Vs | Spotify Studios | |
| 16 | — | N | Naturefile | RTÉ lyric fm | |
| 18 | 21 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 18 | 4 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 19 | 2 | B | Boring History for Sleep | Velvet | |
| 20 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 20 | 6 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 21 | 6 |  | Discovery | BBC World Service | |
| 21 | 5 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 22 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 23 | — |  | Nature Podcast | Springer Nature Limited | |
| 24 | — |  | The Life Scientific | BBC Radio 4 | |
| 27 | 14 |  | Overheard at National Geographic | National Geographic | |
| 27 | 40 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 28 | — |  | Unexpected Elements | BBC World Service | |
| 29 | 40 |  | Re:Energise from ESB | ESB | |
| 30 | 1 |  | More or Less | BBC Radio 4 | |
| 31 | — |  | Why Do We Do That? | BBC Radio 4 | |
| 31 | 46 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 32 | 12 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 32 | — |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 33 | 29 |  | That UFO Podcast | That UFO Podcast | |
| 33 | — |  | Science Magazine Podcast | Science Magazine | |
| 33 | — | B | Beyond the Bag: Challenging Differences in Stoma Care | ASCN UK | |
| 34 | 19 | D | DCU Digital Law Perspectives | DCU Law and Tech Research Cluster | |
| 34 | 16 |  | Astrum Space | Astrum | |
| 34 | — | C | Cows and Effect | Paul Allison and Michael Blanche | |
| 35 | — |  | Great Mysteries of Physics | The Conversation | |
| 36 | — | L | La Terre au carré | France Inter | |
| 36 | 106 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 37 | — |  | Win-Win with Liv Boeree | Liv Boeree | |
| 37 | — |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 38 | — |  | Ask the Naked Scientists | Dr Chris Smith | |
| 38 | — |  | CrowdScience | BBC World Service | |
| 38 | 19 |  | Cool Worlds Podcast | coolworldslab | |
| 38 | 1 | R | Radiology Podcast | RSNA | The Radiological Society of North America | |
| 39 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 40 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 40 | — | S | Science on the Menu: A Food Safety Podcast by EFSA | European Food Safety Authority (EFSA) | |
| 40 | 12 | P | Prehis/Stories | Kim Biddulph | |
| 40 | — | S | Sweet Little Human | Orkan Media | |
| 41 | — |  | Particles of Thought | GBH | |
| 41 | 7 | A | ATTD: Advanced Technologies and Treatments for Diabetes | ATTD on UNLOK | |
| 42 | 25 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 42 | — |  | The Science of Everything Podcast | James Fodor | |
| 42 | — |  | Conjecture Institute | conjectureinstitute | |
| 43 | — | T | The Vet Pod | The Vet Pod | |
| 43 | — | W | White Coat, Black Art | CBC | |
| 44 | — | T | The Sod Pod | Grassland Agro | |
| 45 | 4 | R | RadioGraphics Podcast | RSNA | Radiological Society of North America (RSNA) | |
| 46 | 7 | W | Why? with Emma Kennedy | Podmasters | |
| 46 | 44 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 47 | — | T | The Human Subject | BBC Radio 4 | |
| 47 | 89 |  | Speaking of Psychology | American Psychological Association | |
| 47 | — | T | The Tell-Tale Heart: The Pharmacist's Cardiovascular Digest | The Tell-Tale Heart: The Pharmacist's Cardiovascular Digest | |
| 47 | 5 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 48 | 6 | P | Psychedelic Brain Science | Psychedelic Brain Science | |
| 48 | 21 |  | Oceanography | Pine Forest Media | |
| 49 | 6 | W | Wild Questions | RSPB | |
| 50 | 14 | I | In Your Nature | By BirdWatch Ireland | |
| 50 | 14 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 50 | 7 | R | Radiology Advances Podcast | RSNA | The Radiological Society of North America | |
| 51 | 16 | C | Conversations with Nicholas | Milo Yiannopoulos | |
| 51 | 8 |  | Somewhere in the Skies | SpectreVision Radio | |
| 52 | 18 |  | All In The Mind | ABC | |
| 53 | 21 | C | CountryWide | RTÉ Radio 1 | |
| 55 | 18 |  | Science In Action | BBC World Service | |
| 56 | 6 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 58 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 58 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 61 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 63 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 64 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 66 | 15 |  | Let's Learn Everything! | Maximum Fun | |
| 68 | — |  | The Plodcast | Our Media | |
| 69 | 16 | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 69 | 34 |  | The Climate Question | BBC World Service | |
| 70 | 25 |  | The Micah Hanks Program | Micah Hanks | |
| 72 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 73 | 32 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 74 | — | T | The Met Éireann Podcast | Met Éireann | |
