| 1 | 4 |  | Curious Cases | BBC Radio 4 | |
| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | Science Weekly | The Guardian | |
| 3 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 7 |  | Radiolab | WNYC Studios | |
| 4 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 6 | 1 |  | Science Vs | Spotify Studios | |
| 8 | 3 |  | More or Less | BBC Radio 4 | |
| 8 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 2 | B | Boring History for Sleep | Velvet | |
| 10 | — |  | BBC Inside Science | BBC Radio 4 | |
| 12 | 2 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 13 | — |  | Science In Action | BBC World Service | |
| 13 | 2 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 13 | 9 |  | CrowdScience | BBC World Service | |
| 14 | 10 |  | All In The Mind | ABC | |
| 14 | — | O | Our Changing World | RNZ | |
| 16 | 26 |  | The world, the universe and us | New Scientist | |
| 16 | 13 |  | The Science Show | ABC | |
| 17 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 18 | 3 |  | Unexpected Elements | BBC World Service | |
| 18 | 1 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 18 | 5 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 18 | 11 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 20 | 8 |  | Unexplainable | Vox | |
| 20 | 11 | T | The Ballot’s Bloody Rigged - A podcast by the Fiordland Wapiti Foundation | roywapiti | |
| 21 | 10 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 23 | 9 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 23 | 2 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 24 | 4 |  | A Question of Science | The Francis Crick Institute | |
| 26 | 63 |  | Babbage from The Economist | The Economist | |
| 26 | 3 |  | Discovery | BBC World Service | |
| 28 | 3 |  | Dr Karl Podcast | triplej | |
| 29 | 46 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 30 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 32 | 21 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 32 | 3 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 32 | 3 |  | Blurry Creatures | Blurry Creatures | |
| 33 | — | N | New Scientist Weekly | New Scientist | |
| 34 | 4 |  | Overheard at National Geographic | National Geographic | |
| 34 | 22 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 36 | 3 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 36 | 66 |  | Living Planet | DW | |
| 37 | 76 |  | Brady Heywood Podcast | Sean Brady | |
| 37 | 3 |  | Naturebang | BBC Radio 4 | |
| 38 | 2 |  | Universe Today Podcast | Fraser Cain | |
| 38 | — |  | Ask the Naked Scientists | Dr Chris Smith | |
| 38 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 39 | — | D | Discovering Forestry | Discovering Forestry | |
| 40 | 4 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 41 | — |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 41 | 8 |  | The Science of Birds | Ivan Phillipsen | |
| 42 | — |  | Ground Truths | Eric Topol | |
| 42 | — | T | The Soil Health Hub Podcast | Soil Health Hub | |
| 45 | 5 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 45 | 12 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 46 | 64 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 46 | 4 |  | Speaking of Psychology | American Psychological Association | |
| 46 | — |  | Quirks and Quarks | CBC | |
| 46 | — |  | The Plodcast | Our Media | |
| 47 | — |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 48 | — | B | Breaking beliefism | Prof Paul Dolan | |
| 48 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 49 | 54 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 49 | 149 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 50 | 6 |  | Casual Inference | Lucy D'Agostino McGowan and Ellie Murray | |
| 50 | — |  | پادکست آذرخش مکری - azarakhsh mokri | nimac | |
| 51 | 27 |  | Scotland Outdoors | BBC Radio Scotland | |
| 51 | 8 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 53 | 25 |  | The Life Scientific | BBC Radio 4 | |
| 53 | 14 |  | The Common Descent Podcast | Common Descent | |
| 54 | 19 |  | Overshoot: Navigating a world beyond 1.5°C | Planet B Productions | |
| 55 | 14 |  | Expanded Perspectives | Expanded Perspectives | |
| 55 | 5 |  | Future Ecologies | Future Ecologies | |
| 57 | 11 |  | Breaking Down: Collapse | Kory & Kellan | |
| 58 | — | O | Open Country | BBC Radio 4 | |
| 58 | 13 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 59 | 5 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 59 | 4 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 60 | — |  | Skeptics with a K | Skeptic Media Limited | |
| 61 | — | S | Spektrum-Podcast | detektor.fm – Das Podcast-Radio | |
| 61 | — | T | The Force of Nature Podcast | Conan Moynihan | |
| 63 | 2 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 64 | — | F | Fight for the Wild | RNZ | |
| 64 | 11 |  | The Michael Shermer Show | Michael Shermer | |
| 64 | 3 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 64 | 21 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 65 | — |  | That UFO Podcast | That UFO Podcast | |
| 66 | — |  | Clinical Conversations | Royal College of Physicians of Edinburgh | |
| 67 | 5 |  | StarDate | Billy Henry | |
| 68 | 111 |  | Mysterious Universe | 8th Kind | |
| 68 | 10 | I | Intellectually Curious | Mike Breault | |
| 68 | 50 | W | What The Duck?! | ABC | |
| 68 | 118 |  | This Week in Virology | Vincent Racaniello | |
| 69 | 110 |  | This Week in Cardiology | Medscape | |
| 70 | 7 | T | The Resilience Project | Resilience Project | |
| 70 | 12 |  | BrainStuff | iHeartPodcasts | |
| 70 | — | T | The Royal College of Psychiatrists Podcast | RCPsych | |
| 70 | 23 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
