| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 10 |  | Science Weekly | The Guardian | |
| 7 | 3 |  | Radiolab | WNYC Studios | |
| 8 | 2 |  | All In The Mind | ABC | |
| 9 | 1 |  | Curious Cases | BBC Radio 4 | |
| 10 | 11 |  | Discovery | BBC World Service | |
| 11 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | 3 | B | Boring History for Sleep | Velvet | |
| 13 | 1 | O | Our Changing World | RNZ | |
| 14 | 8 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 15 | 10 |  | More or Less | BBC Radio 4 | |
| 16 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 17 | 12 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 18 | 53 |  | Astrum Space | Astrum | |
| 19 | 6 |  | The Michael Shermer Show | Michael Shermer | |
| 20 | 37 |  | Operation Night Cat | New Hampshire Public Radio | |
| 21 | 2 |  | Science Vs | Spotify Studios | |
| 22 | 4 |  | CrowdScience | BBC World Service | |
| 23 | 2 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 24 | 7 | K | Kākāpō Files II | RNZ | |
| 25 | 13 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 26 | 6 |  | The Life Scientific | BBC Radio 4 | |
| 27 | 104 | W | What The Duck?! | ABC | |
| 28 | 67 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 29 | 20 |  | Babbage from The Economist | The Economist | |
| 30 | 15 |  | BBC Inside Science | BBC Radio 4 | |
| 31 | 13 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 32 | 8 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 33 | 13 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 34 | — |  | The Quanta Podcast | Quanta Magazine | |
| 35 | 130 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 36 | 67 | T | The Ballot’s Bloody Rigged - A podcast by the Fiordland Wapiti Foundation | roywapiti | |
| 37 | 10 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 38 | 18 | E | EcoFarm Aotearoa | Ewan Campbell with co-host Stephen Brunton | |
| 39 | 82 |  | Science Friday | Science Friday and WNYC Studios | |
| 40 | — | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 41 | 48 |  | Ask a Spaceman! | Paul M. Sutter | |
| 42 | 19 |  | Planet Em | Emily McDonald | |
| 43 | 44 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 44 | 5 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 45 | 64 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 46 | 11 |  | Ancient Aliens | PodcastOne | |
| 47 | 35 |  | 洪晃|晃然大悟 | 洪晃|晃然大悟 | |
| 48 | 116 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 49 | 6 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 50 | 24 |  | Unexplainable | Vox | |
| 51 | 3 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 52 | 18 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 53 | 67 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 54 | 21 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 55 | 68 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 56 | 13 |  | Short Wave | NPR | |
| 57 | 25 |  | Почему мы еще живы | libo/libo | |
| 58 | — |  | Deep Dive: Space Mysteries Unveiled | Graviton Space Facts | |
| 59 | 70 |  | Universe Today Podcast | Fraser Cain | |
| 60 | 109 |  | Naked Astronomy, from the Naked Scientists | The Naked Scientists | |
| 61 | 126 |  | Mythfits | Pionaire Podcasting | |
| 62 | 22 |  | Let's Learn Everything! | Maximum Fun | |
| 63 | 27 |  | The world, the universe and us | New Scientist | |
| 64 | 27 |  | You Are Not So Smart | You Are Not So Smart | |
| 65 | 35 |  | Unexpected Elements | BBC World Service | |
| 66 | 62 |  | Head Shepherd | Mark Ferguson | |
| 67 | 125 | T | The Al & Juddy Show | Agricom | |
| 68 | 131 |  | Robinson's Podcast | Robinson Erhardt | |
| 69 | 44 |  | The Threshold | Foreign Policy | |
| 70 | 21 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 71 | 63 |  | The Psychology Podcast | iHeartPodcasts | |
| 72 | 41 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 73 | 118 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 74 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 75 | — |  | This Week in Neuroscience | Vincent Racaniello | |
| 76 | — |  | The Orthobullets Podcast | Orthobullets | |
| 77 | 35 | C | Cultural Economy in the Kitchen | Philip Roscoe and Addie McGowan | |
| 78 | — | S | Safe As Podcast | Ben Hutchinson | |
| 79 | 41 |  | Overheard at National Geographic | National Geographic | |
| 80 | — | 谈 | 谈衰老 | 趣味科普 | 时光派Timepie | |
| 81 | 42 | A | Actually Interesting | The Spinoff | |
| 82 | — | 天 | 天方烨谈 | 基因频道 | |
| 83 | — |  | Where Inches Matter by Agraforum | Agraforum NZ | |
| 84 | — | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 85 | — | R | Roid Rage | AstroForge | |
| 86 | 45 |  | Marine Biology Vol. 1 | Aquarium of the Pacific | |
| 87 | — |  | The Gene Gap: Common threads | The Guardian | |
| 88 | 2 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 89 | 44 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 90 | 38 |  | Das Wissen | SWR | SWR | |
| 91 | 12 |  | That UFO Podcast | That UFO Podcast | |
| 92 | 15 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 93 | 1 |  | The Common Descent Podcast | Common Descent | |
| 94 | 59 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 95 | 8 |  | Blurry Creatures | Blurry Creatures | |
| 96 | 46 |  | Planet Visionaries – SEASON 5 | A podcast in partnership with The Rolex Perpetual Planet Initiative | |
| 97 | 46 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 98 | 43 |  | SciShow Tangents | Complexly | |
| 99 | 43 | W | Wissenschaft im Brennpunkt | Deutschlandfunk | |
| 100 | 20 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
