| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 1 | 1 |  | Radiolab | WNYC Studios | |
| 3 | — |  | More or Less | BBC Radio 4 | |
| 4 | — | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 4 | 2 |  | Science Weekly | The Guardian | |
| 5 | 4 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 5 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 7 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 7 | 3 |  | A Question of Science | The Francis Crick Institute | |
| 7 | 1 |  | Unexplainable | Vox | |
| 8 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 10 | 4 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 10 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 11 | 15 | C | CountryWide | RTÉ Radio 1 | |
| 11 | 1 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 12 | 9 |  | CrowdScience | BBC World Service | |
| 13 | 4 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 14 | 1 |  | Science Vs | Spotify Studios | |
| 17 | 3 |  | Astrum Space | Astrum | |
| 18 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 20 | 7 |  | The world, the universe and us | New Scientist | |
| 20 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 21 | — |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 22 | 7 | N | Naturefile | RTÉ lyric fm | |
| 22 | 3 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 23 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 23 | 4 | B | Boring History for Sleep | Velvet | |
| 23 | 6 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 24 | 21 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 25 | 3 |  | The Psychology Podcast | iHeartPodcasts | |
| 27 | 3 |  | Speaking of Psychology | American Psychological Association | |
| 27 | 44 |  | Scotland Outdoors | BBC Radio Scotland | |
| 27 | 10 |  | Why Do We Do That? | BBC Radio 4 | |
| 28 | 15 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 28 | — |  | That UFO Podcast | That UFO Podcast | |
| 29 | 2 | F | Farming Today | BBC Radio 4 | |
| 32 | 3 |  | Mysterious Universe | 8th Kind | |
| 32 | 48 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 32 | — |  | Universe Today Podcast | Fraser Cain | |
| 33 | 5 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 33 | 35 |  | All In The Mind | ABC | |
| 35 | 17 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 37 | 11 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 38 | 10 |  | Dr Karl Podcast | triplej | |
| 38 | 2 |  | The Common Descent Podcast | Common Descent | |
| 39 | 7 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 39 | — | T | The Sod Pod | Grassland Agro | |
| 40 | 11 | T | The Vet Pod | The Vet Pod | |
| 40 | 56 |  | The Plodcast | Our Media | |
| 40 | 62 | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 41 | — |  | Great Mysteries of Physics | The Conversation | |
| 41 | 55 |  | The Science Show | ABC | |
| 42 | 17 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 42 | 1 |  | The Michael Shermer Show | Michael Shermer | |
| 42 | 53 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 44 | 15 |  | Instant Genius | Our Media | |
| 45 | 28 |  | Science Friday | Science Friday and WNYC Studios | |
| 45 | 14 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 46 | 22 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 46 | 124 |  | That's Just Wild | Fresh Air | |
| 46 | 69 |  | Oceanography | Pine Forest Media | |
| 47 | 11 | T | The Alcohol 'Problem' Podcast | James Morris | |
| 48 | — |  | Unexpected Elements | BBC World Service | |
| 48 | 70 |  | The Science of Everything Podcast | James Fodor | |
| 49 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 49 | 6 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 50 | 18 | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 50 | — |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 51 | 16 |  | The Horse First: A Veterinary Sport Horse Podcast | Audrey DeClue, DVM | |
| 52 | — | T | The Universe Speaks in Numbers | Faber and Faber | |
| 52 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 54 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 55 | 12 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 55 | 29 |  | Overheard at National Geographic | National Geographic | |
| 56 | 3 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 56 | — |  | The Nature Of with Willow Defebaugh | Atmos | |
| 57 | — |  | This Week in Space (Audio) | TWiT | |
| 57 | 26 |  | This Week in Cardiology | Medscape | |
| 57 | — |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 59 | — |  | UCLA Housing Voice | UCLA Lewis Center for Regional Policy Studies | |
| 59 | 16 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 60 | 8 |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 61 | 8 | B | BioTech Nation ... with Dr. Moira Gunn | Moira Gunn | |
| 61 | 58 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 62 | 17 |  | Science Will Win | Pfizer | |
| 62 | 16 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 63 | 7 |  | Nature Podcast | Springer Nature Limited | |
| 63 | 124 |  | La Science, CQFD | France Culture | |
| 63 | 17 |  | Rare Earth | BBC Radio 4 | |
| 64 | 17 | C | Catch Our Drift | Catch Our Drift | |
| 65 | 29 |  | Discovery | BBC World Service | |
| 66 | 4 |  | The Life Scientific | BBC Radio 4 | |
| 66 | 29 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 70 | 12 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 71 | — |  | Curiosity Weekly | Discovery | |
| 72 | — | V | Voorproevers | Radio 1 | |
| 72 | 38 |  | Origin Stories | The Leakey Foundation | |
| 73 | 2 |  | Accidental Gods | Accidental Gods | |
| 74 | 23 |  | The Science of Happiness | PRX and Greater Good Science Center | |
