| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | 1 |  | Science Weekly | The Guardian | |
| 2 | 1 |  | Radiolab | WNYC Studios | |
| 3 | 27 |  | More or Less | BBC Radio 4 | |
| 4 | 2 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 4 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | 2 |  | BBC Inside Science | BBC Radio 4 | |
| 6 | 1 |  | Unexplainable | Vox | |
| 8 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 9 | — | F | Futureproof with Jonathan McCrea | Newstalk | |
| 10 | — | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 10 | 3 |  | A Question of Science | The Francis Crick Institute | |
| 12 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | 1 |  | Science Vs | Spotify Studios | |
| 14 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 14 | 15 |  | Astrum Space | Astrum | |
| 14 | 1 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 15 | — | N | Naturefile | RTÉ lyric fm | |
| 16 | 4 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 17 | 6 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 17 | 32 |  | Why Do We Do That? | BBC Radio 4 | |
| 17 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 18 | 1 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 19 | 7 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 20 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 21 | 3 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 21 | 1 |  | CrowdScience | BBC World Service | |
| 22 | 58 |  | The Psychology Podcast | iHeartPodcasts | |
| 24 | 7 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 25 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 26 | 48 | C | CountryWide | RTÉ Radio 1 | |
| 26 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 26 | 10 |  | Overheard at National Geographic | National Geographic | |
| 27 | 42 |  | The world, the universe and us | New Scientist | |
| 27 | 8 | F | Farming Today | BBC Radio 4 | |
| 27 | 5 | B | Boring History for Sleep | Velvet | |
| 28 | 5 |  | That UFO Podcast | That UFO Podcast | |
| 28 | 100 |  | Dr Karl Podcast | triplej | |
| 28 | 5 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 29 | 71 |  | Mysterious Universe | 8th Kind | |
| 29 | 17 | T | The Vet Pod | The Vet Pod | |
| 29 | — |  | Instant Genius | Our Media | |
| 30 | — |  | Speaking of Psychology | American Psychological Association | |
| 31 | 74 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 31 | 1 |  | This Week in Cardiology | Medscape | |
| 32 | 2 |  | Universe Today Podcast | Fraser Cain | |
| 32 | 18 | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 34 | — |  | Origin Stories | The Leakey Foundation | |
| 35 | — |  | The Horse First: A Veterinary Sport Horse Podcast | Audrey DeClue, DVM | |
| 36 | 14 |  | Discovery | BBC World Service | |
| 36 | 146 | T | The Alcohol 'Problem' Podcast | James Morris | |
| 36 | 139 |  | The Common Descent Podcast | Common Descent | |
| 37 | 7 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 39 | 44 | T | The Sod Pod | Grassland Agro | |
| 39 | 13 |  | Outside/In | NHPR | |
| 41 | 1 |  | Great Mysteries of Physics | The Conversation | |
| 41 | — |  | IQ - Wissenschaft und Forschung | Bayerischer Rundfunk | |
| 42 | 15 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 43 | 15 |  | The Michael Shermer Show | Michael Shermer | |
| 43 | 49 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 43 | 10 |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 43 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 43 | 16 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 44 | 5 | F | Feet on the Soil | Soil Boy | |
| 45 | — |  | Science Will Win | Pfizer | |
| 45 | 5 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 46 | 25 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 46 | — |  | Rare Earth | BBC Radio 4 | |
| 47 | — | C | Catch Our Drift | Catch Our Drift | |
| 47 | — | M | Mortuary Mnemonics | Damon de la Cruz | |
| 47 | 12 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 48 | 12 |  | Unexpected Elements | BBC World Service | |
| 48 | 10 | T | The Science of Psychotherapy | Dahlitz Media | |
| 49 | 10 | T | The Different Minds podcast series | John Offord | |
| 50 | — | F | Fromm Today | Erich Fromm Study Center an der IPU Berlin | |
| 51 | 9 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 52 | — |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 53 | — | C | Converging Dialogues | Converging Dialogues | |
| 53 | — | B | BioTech Nation ... with Dr. Moira Gunn | Moira Gunn | |
| 54 | 11 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 55 | — |  | Science and the City | Science and the City | |
| 56 | 21 |  | Nature Podcast | Springer Nature Limited | |
| 56 | 54 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 58 | 17 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 59 | 31 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 60 | 31 |  | Drilled | Pushkin Industries | |
| 61 | 4 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 62 | 9 |  | The Life Scientific | BBC Radio 4 | |
| 63 | 31 |  | Re:Energise from ESB | ESB | |
| 65 | 16 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 67 | 30 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 67 | 10 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 68 | 21 |  | All In The Mind | ABC | |
| 70 | 22 | I | In Your Nature | By BirdWatch Ireland | |
| 71 | 38 |  | Accidental Gods | Accidental Gods | |
| 71 | 43 |  | Scotland Outdoors | BBC Radio Scotland | |
| 72 | — |  | Eons: Surviving Deep Time | PBS | |
| 73 | 11 |  | Science Friday | Science Friday and WNYC Studios | |
| 74 | — |  | The Science of Birds | Ivan Phillipsen | |
