| 1 | — |  | Unexplainable | Vox | |
| 2 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 1 |  | Radiolab | WNYC Studios | |
| 5 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 7 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 8 | 14 |  | Curious Cases | BBC Radio 4 | |
| 9 | 3 |  | Science Vs | Spotify Studios | |
| 10 | 38 |  | CrowdScience | BBC World Service | |
| 11 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 12 | 2 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 13 | 5 |  | Science Weekly | The Guardian | |
| 14 | 1 |  | Science In Action | BBC World Service | |
| 15 | 1 |  | Rare Earth | BBC Radio 4 | |
| 16 | 4 | B | Big Sky Country | Bush Heritage Australia | |
| 17 | 50 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 18 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 19 | 68 |  | More or Less | BBC Radio 4 | |
| 20 | 32 |  | Discovery | BBC World Service | |
| 21 | 6 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 22 | 24 |  | Unexpected Elements | BBC World Service | |
| 23 | 5 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 24 | 32 | B | Boring History for Sleep | Velvet | |
| 25 | 30 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 26 | 43 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 27 | 27 |  | The Life Scientific | BBC Radio 4 | |
| 28 | 13 |  | Curiosity Weekly | Discovery | |
| 29 | — |  | The Feldman Protocol | Dave Feldman | |
| 30 | 19 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 31 | 20 |  | Babbage from The Economist | The Economist | |
| 32 | 48 | W | What The Duck?! | ABC | |
| 33 | 8 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 34 | 20 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 35 | 36 |  | IFLScience - The Big Questions | IFLScience | |
| 36 | 21 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 37 | 46 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 38 | 9 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 39 | 63 |  | Found in Space: A Science Podcast for Kids and Teens | Arwen Hubbard | |
| 40 | 21 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 41 | 8 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 42 | 23 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 43 | 141 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 44 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 45 | — | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 46 | — |  | James Webb Space Telescope | QP-1 | |
| 47 | — |  | Ask MIT Climate | MIT Climate Project | |
| 48 | — | K | Kia Whakanuia te Whenua - The Landscape Foundation | Landscape Foundation Aotearoa | |
| 49 | — | H | Humans Outside | Amy Bushatz | |
| 50 | — | T | The ClimateReady Podcast: Adapting to Climate Change & Uncertainty | The Alliance for Global Water Adaptation (AGWA) | |
| 51 | 1 |  | Universe Today Podcast | Fraser Cain | |
| 52 | 43 |  | The world, the universe and us | New Scientist | |
| 53 | 98 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 54 | 5 |  | All In The Mind | ABC | |
| 55 | 100 |  | The Quanta Podcast | Quanta Magazine | |
| 56 | 38 | O | Our Changing World | RNZ | |
| 57 | 36 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 58 | 35 | S | Safe As Podcast | Ben Hutchinson | |
| 59 | 35 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 60 | 34 |  | Templeton Ideas Podcast | John Templeton Foundation | |
| 61 | 88 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 62 | 17 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 63 | 33 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 64 | 33 |  | Astrum Space | Astrum | |
| 65 | 32 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 66 | 22 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 67 | 35 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 68 | 5 |  | Mysterious Universe | 8th Kind | |
| 69 | 27 |  | Intelligent Design the Future | Discovery Institute | |
| 70 | 12 |  | Science Quickly | Scientific American | |
| 71 | — | T | The Naked Scientists Podcast | The Naked Scientists | |
| 72 | 37 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 73 | 43 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 74 | 37 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 75 | 39 | T | The 80,000 Hours Podcast on Artificial Intelligence (September 2023) | 80,000 Hours | |
| 76 | 42 |  | The Orthobullets Podcast | Orthobullets | |
| 77 | 24 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 78 | — |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 79 | — | C | Cornell Clippings Podcast | Frank Rossi | |
| 80 | — | N | Nocturnal Worlds | Audiocraft | |
| 81 | 43 |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 82 | 43 | T | The Water Online Show | Travis Kennedy | |
| 83 | 43 | N | Nature Fix | National Trust | |
| 84 | — |  | People Helping Nature Podcast | Conservation Amplified | |
| 85 | — | T | The Weather That Changed Us | ABC | |
| 86 | — |  | How We're Wired | The Bertarelli Foundation | |
| 87 | 44 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 88 | 44 | ( | (don't) Waste Water! | Water Tech to Solve the World | Antoine Walter | |
| 89 | 42 |  | Overheard at National Geographic | National Geographic | |
| 90 | 26 |  | Leaf it to Us | Leaf it to Us | |
| 91 | 34 |  | Drilled | Pushkin Industries | |
| 92 | 32 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 93 | 32 |  | Alive Again | iHeartPodcasts | |
| 94 | 32 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 95 | 5 | O | Open Country | BBC Radio 4 | |
| 96 | 30 | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 97 | 6 |  | Dr Karl Podcast | triplej | |
| 98 | 25 |  | The Plodcast | Our Media | |
| 99 | 31 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 100 | 30 |  | Robinson's Podcast | Robinson Erhardt | |
