| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 2 | — |  | Science Weekly | The Guardian | |
| 2 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | 3 |  | Curious Cases | BBC Radio 4 | |
| 5 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | — |  | Science Vs | Spotify Studios | |
| 7 | 4 | B | Boring History for Sleep | Velvet | |
| 7 | 2 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 10 | 2 |  | Radiolab | WNYC Studios | |
| 10 | 7 |  | BBC Inside Science | BBC Radio 4 | |
| 11 | 2 |  | More or Less | BBC Radio 4 | |
| 12 | 2 |  | Unexplainable | Vox | |
| 13 | 25 |  | Science In Action | BBC World Service | |
| 13 | 1 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 14 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 14 | — | O | Our Changing World | RNZ | |
| 15 | 8 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 16 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 17 | 1 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 20 | 10 |  | A Question of Science | The Francis Crick Institute | |
| 21 | 3 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 21 | 12 |  | Unexpected Elements | BBC World Service | |
| 22 | — |  | CrowdScience | BBC World Service | |
| 23 | 4 |  | Discovery | BBC World Service | |
| 24 | 3 |  | All In The Mind | ABC | |
| 25 | — |  | Dr Karl Podcast | triplej | |
| 26 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 28 | 1 |  | The Life Scientific | BBC Radio 4 | |
| 29 | 7 |  | The Science Show | ABC | |
| 29 | 6 |  | Blurry Creatures | Blurry Creatures | |
| 30 | 3 |  | Overheard at National Geographic | National Geographic | |
| 31 | 5 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 31 | — | T | The Ballot’s Bloody Rigged - A podcast by the Fiordland Wapiti Foundation | roywapiti | |
| 32 | 4 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 33 | 17 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 33 | 9 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 34 | 31 |  | Naturebang | BBC Radio 4 | |
| 35 | 9 |  | Overshoot: Navigating a world beyond 1.5°C | Planet B Productions | |
| 35 | 6 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 36 | — |  | Universe Today Podcast | Fraser Cain | |
| 36 | 3 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 38 | 102 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 38 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 39 | 9 |  | The Common Descent Podcast | Common Descent | |
| 40 | 34 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 41 | 11 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 41 | 7 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 42 | 9 |  | The world, the universe and us | New Scientist | |
| 42 | 10 |  | Speaking of Psychology | American Psychological Association | |
| 43 | 78 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 44 | 1 |  | Astrum Space | Astrum | |
| 44 | 25 |  | Casual Inference | Lucy D'Agostino McGowan and Ellie Murray | |
| 46 | 11 |  | Quirks and Quarks | CBC | |
| 46 | 7 |  | Breaking Down: Collapse | Kory & Kellan | |
| 46 | 12 |  | The Plodcast | Our Media | |
| 47 | 17 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 47 | 3 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 48 | 6 |  | Почему мы еще живы | libo/libo | |
| 48 | 1 |  | Science Friday | Science Friday and WNYC Studios | |
| 49 | 12 |  | The Science of Birds | Ivan Phillipsen | |
| 50 | 13 |  | Found in Space: A Science Podcast for Kids and Teens | Arwen Hubbard | |
| 50 | 56 |  | Future Ecologies | Future Ecologies | |
| 52 | 12 |  | Believing the Bizarre: Paranormal Conspiracies & Myths | Tyler and Charlie | |
| 53 | 7 |  | The Michael Shermer Show | Michael Shermer | |
| 53 | 9 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 54 | 23 |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 54 | 39 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 55 | 7 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 56 | 6 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 57 | 6 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 58 | 17 | O | Open Country | BBC Radio 4 | |
| 58 | — | Z | Zukunftswissen.fm | Wuppertal Institut für Klima, Umwelt, Energie gGmbH | |
| 58 | — | I | Intellectually Curious | Mike Breault | |
| 59 | 14 |  | Oceanography | Pine Forest Media | |
| 60 | 17 |  | Skeptics with a K | Skeptic Media Limited | |
| 60 | 14 | L | Living Room Logic – Irish Science Podcast | Andrew McGovern and Aidan Long | |
| 61 | — | S | Spektrum-Podcast | detektor.fm – Das Podcast-Radio | |
| 62 | — |  | StarDate | Billy Henry | |
| 62 | 15 |  | Conversations in Obstetrics and Gynecology | Unknown | |
| 63 | — | T | The Resilience Project | Resilience Project | |
| 63 | 15 | Q | Qualitative Research Methods for Everyone Podcast | Policy Press | |
| 63 | 106 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 64 | — | L | Land of the Long White Coat | A podcast for medical students | Joshua Smith | |
| 64 | 7 | К | КритМышь | Александр Головин | |
| 65 | 49 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 65 | 7 | T | The Pet Food Science Podcast Show | Wisenetix | |
| 65 | 47 |  | That UFO Podcast | That UFO Podcast | |
| 66 | 17 |  | Life's Little Mysteries | Live Science & Audioboom | |
| 67 | 64 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 68 | 14 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 69 | 17 |  | Nature Podcast | Springer Nature Limited | |
| 69 | 21 |  | Expanded Perspectives | Expanded Perspectives | |
| 71 | 17 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 71 | 4 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 72 | 48 |  | Regenerative Agriculture Podcast | John Kempf | |
| 73 | 15 |  | The Quanta Podcast | Quanta Magazine | |
| 74 | 27 |  | Short Wave | NPR | |
| 75 | 27 |  | The Supermassive Podcast | The Royal Astronomical Society | |
