| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 2 |  | Science Weekly | The Guardian | |
| 3 | 4 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 4 | 2 |  | More or Less | BBC Radio 4 | |
| 5 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 7 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 8 | 6 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 9 | 1 | B | Boring History for Sleep | Velvet | |
| 10 | 7 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 11 | 4 |  | Science Vs | Spotify Studios | |
| 12 | 9 |  | Ologies with Alie Ward | Alie Ward | |
| 13 | — |  | Curious Cases | BBC Radio 4 | |
| 14 | 9 |  | Radiolab | WNYC Studios | |
| 15 | — |  | Bigfoot Terror in the Woods Sightings and Encounters | W.J. Sheehan | |
| 16 | 10 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 17 | — |  | Get Birding | Peanut & Crumb | |
| 18 | — | I | In Your Nature | By BirdWatch Ireland | |
| 19 | 11 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 20 | 7 |  | The Life Scientific | BBC Radio 4 | |
| 21 | 11 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 22 | 26 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 23 | 57 |  | The world, the universe and us | New Scientist | |
| 24 | 29 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 25 | 16 | N | Naturefile | RTÉ lyric fm | |
| 26 | 62 |  | All In The Mind | ABC | |
| 26 | 5 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 27 | 5 |  | CrowdScience | BBC World Service | |
| 28 | 43 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 29 | 7 | ' | 'Mind the Kids': an ACAMH podcast | The Association for Child and Adolescent Mental Health | |
| 29 | 148 |  | The Numberphile Podcast | Brady Haran | |
| 30 | 71 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 31 | — | C | Conservation and Science | Tommy's Outdoors | |
| 31 | 125 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 32 | — |  | Sensible Medicine | Sensible Medicine Authors and Editors | |
| 32 | — | G | Goccia a goccia | Viveracqua | |
| 33 | 143 |  | Naturebang | BBC Radio 4 | |
| 34 | — | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 34 | — | L | La guerre des étoiles | Iris Herbelot | |
| 35 | — | L | Leaving Cert Biology Revision | Mr G. O'Donovan | |
| 36 | — |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 36 | — |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 37 | — | S | Sekcja teorii spiskowych. Podcast Crazy Nauka | Polskie Radio S.A. | |
| 38 | — |  | Origin Stories | The Leakey Foundation | |
| 38 | — |  | This Week in Microbiology | Vincent Racaniello | |
| 39 | 2 |  | The Brain Health Revolution Podcast | The Brain Docs | |
| 40 | 5 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 40 | 18 | P | Pint of Science Ireland | Pint of Science Ireland | |
| 41 | — | W | White Coat, Black Art | CBC | |
| 42 | — | S | Sociology Ruins Everything | Matt Sedlar | |
| 42 | 2 | C | Conversations on the Pharmaceutical Industry | Reading Scientific Services Ltd | |
| 43 | 17 | C | Climate change - off the record | Dr Clare Noone and Dr Róisín Moriarty | |
| 43 | — |  | Great Mysteries of Physics | The Conversation | |
| 44 | 28 | H | How I Wrote This | Brett Gordon and Karen Winterich | |
| 44 | 13 | N | Nature Fix | National Trust | |
| 45 | — |  | The Social Work Podcast | Jonathan B. Singer, Ph.D., LCSW | |
| 45 | 18 |  | Ireland's Landscape Histories and Futures | Stephanie O'Rourke | |
| 46 | — | H | Higher Education Researcher | CHERE@LU | |
| 46 | 7 | T | The Qualitalks Podcast | Qualistery | |
| 47 | 1 |  | StarTalk Podcast | StarTalk Podcast | |
| 47 | — | R | Rambling About Rivers | The Rivers Trust | |
| 48 | 22 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 49 | 20 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 49 | 7 |  | We're not getting any younger... yet. | The Buck Institute | |
| 50 | 43 | T | Tweet of the Day | BBC Radio 4 | |
| 50 | 7 | T | The Anatomy Nerd Podcast | Anatomy Nerd | |
| 51 | 14 |  | Babbage from The Economist | The Economist | |
| 51 | 1 | U | Untangling the Web | Web Science Trust | |
| 52 | 44 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 53 | 8 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 54 | 35 |  | Unexplainable | Vox | |
| 55 | 13 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 56 | 29 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 57 | 34 |  | Discovery | BBC World Service | |
| 58 | 30 |  | Nature Podcast | Springer Nature Limited | |
| 59 | 36 |  | Universe Today Podcast | Fraser Cain | |
| 60 | 38 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 61 | 17 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 62 | 19 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 63 | 40 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 64 | 37 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 65 | 19 |  | Scotland Outdoors | BBC Radio Scotland | |
| 66 | 13 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 67 | 46 | C | CountryWide | RTÉ Radio 1 | |
| 68 | 30 |  | Astrum Space | Astrum | |
| 68 | 40 | F | Farming Today | BBC Radio 4 | |
| 69 | 53 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 70 | 26 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 71 | 27 |  | The Common Descent Podcast | Common Descent | |
| 72 | 47 |  | Science Friday | Science Friday and WNYC Studios | |
| 73 | 39 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 74 | 2 |  | Somewhere in the Skies | SpectreVision Radio | |
| 75 | 12 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 75 | 40 | T | The Critter Shed | Collie Ennis & Colette Kinsella for Red Hare Media | |
| 76 | 44 |  | That UFO Podcast | That UFO Podcast | |
| 77 | 19 |  | The Plodcast | Our Media | |
| 78 | 29 | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 79 | 50 |  | The Astrophysics Podcast | Paul Duffell | |
| 80 | 17 |  | Leaked | TFLabs | |
| 81 | 59 |  | The Michael Shermer Show | Michael Shermer | |
