| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 1 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 3 | 3 |  | Science Weekly | The Guardian | |
| 5 | 2 |  | Radiolab | WNYC Studios | |
| 6 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 3 |  | Science Vs | Spotify Studios | |
| 7 | 3 |  | Curious Cases | BBC Radio 4 | |
| 8 | 1 |  | More or Less | BBC Radio 4 | |
| 9 | — | O | Our Changing World | RNZ | |
| 9 | 3 |  | A Question of Science | The Francis Crick Institute | |
| 10 | 3 | B | Boring History for Sleep | Velvet | |
| 11 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 12 | 6 |  | All In The Mind | ABC | |
| 12 | 8 |  | Unexplainable | Vox | |
| 13 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 14 | 2 |  | Discovery | BBC World Service | |
| 15 | 3 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 16 | 7 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 17 | 1 |  | Overshoot: Navigating a world beyond 1.5°C | Planet B Productions | |
| 18 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 18 | 5 |  | BBC Inside Science | BBC Radio 4 | |
| 20 | — |  | The Life Scientific | BBC Radio 4 | |
| 20 | 1 |  | CrowdScience | BBC World Service | |
| 23 | 2 |  | Science In Action | BBC World Service | |
| 24 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 24 | 7 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 24 | 25 |  | Overheard at National Geographic | National Geographic | |
| 24 | 5 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 25 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 25 | — | P | Paramedicine.com | Marc and Sonja | |
| 26 | 120 |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 26 | 118 | E | EcoFarm Aotearoa | Ewan Campbell with co-host Stephen Brunton | |
| 29 | 3 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 29 | 43 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 30 | 1 |  | The world, the universe and us | New Scientist | |
| 30 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 30 | 4 |  | The Common Descent Podcast | Common Descent | |
| 31 | — | T | THRIVING MINDS PODCAST | Professor Selena Bartlett, Neuroscientist, Brain Health is Everyone's Business | |
| 31 | 7 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 31 | 36 |  | Blurry Creatures | Blurry Creatures | |
| 33 | 7 |  | Naturebang | BBC Radio 4 | |
| 34 | 23 |  | Speaking of Psychology | American Psychological Association | |
| 34 | 5 | W | What The Duck?! | ABC | |
| 35 | — |  | Universe Today Podcast | Fraser Cain | |
| 36 | 5 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 36 | 1 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 37 | — | O | Open Country | BBC Radio 4 | |
| 37 | 12 |  | Unexpected Elements | BBC World Service | |
| 37 | — | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 38 | — | L | Le comptoir de la psychologie | Le comptoir de la psychologie | |
| 38 | — | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 39 | 2 |  | Mythfits | Pionaire Podcasting | |
| 40 | 10 |  | The Michael Shermer Show | Michael Shermer | |
| 40 | 3 |  | The Science Show | ABC | |
| 40 | 30 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 40 | 41 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 41 | 1 |  | Skeptics with a K | Skeptic Media Limited | |
| 41 | 73 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 41 | 27 |  | Astrum Space | Astrum | |
| 41 | 1 |  | Short Wave | NPR | |
| 43 | 134 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 45 | 9 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 45 | 3 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 47 | 13 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 47 | 2 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 49 | 9 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 49 | — |  | Quirks and Quarks | CBC | |
| 50 | 9 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 50 | 11 | T | The Vet Nurse Skills Podcast | vetnurseskills | |
| 52 | 1 |  | Nature Podcast | Springer Nature Limited | |
| 52 | 17 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 52 | 69 |  | TED Talks Science and Medicine | TED | |
| 52 | 5 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 53 | 2 |  | The Science of Birds | Ivan Phillipsen | |
| 54 | 13 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 55 | — |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 55 | 140 | V | Voice of Tangaroa | RNZ | |
| 56 | 3 |  | Future Ecologies | Future Ecologies | |
| 57 | 13 |  | ExtinctZoo | ExtinctZoo | |
| 57 | — |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 58 | 44 |  | The Plodcast | Our Media | |
| 59 | 17 | T | The Vet Nurse Hacker Podcast | Victoria Koks | |
| 60 | 2 |  | Sea Change | WWNO & WRKF | |
| 61 | — |  | The Joy of x | Steven Strogatz and Quanta Magazine | |
| 62 | 11 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 62 | 7 |  | Science Friday | Science Friday and WNYC Studios | |
| 62 | 22 |  | The Climate Question | BBC World Service | |
| 63 | — | S | Scoliosis Dialogues: An SRS Podcast | Scoliosis Research Society | |
| 63 | 6 | I | Into The Wilderness with Byron Pace | The Pace Brothers | |
| 63 | 21 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 64 | 24 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 64 | — | D | Doctor Entrepreneur Podcast | Dr. Glenn Vo | |
| 64 | — | A | All Around Science | All Around Science | |
| 65 | 13 |  | Science Magazine Podcast | Science Magazine | |
| 65 | 7 | A | Agents Of Tech | WebsEdge | |
| 66 | — | T | The Perception & Action Podcast | Rob Gray | |
| 67 | — | サ | サイエンマニア | サイエンスっぽいマニアなハナシ | 研究者レン from サイエントーク | |
| 67 | — |  | Quantitude | Greg Hancock & Patrick Curran | |
