| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | — |  | Ologies with Alie Ward | Alie Ward | |
| 3 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | 1 |  | Curious Cases | BBC Radio 4 | |
| 6 | 1 |  | Science Vs | Spotify Studios | |
| 6 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | — |  | Science Weekly | The Guardian | |
| 8 | 2 |  | Discovery | BBC World Service | |
| 10 | 3 |  | Radiolab | WNYC Studios | |
| 11 | 1 |  | All In The Mind | ABC | |
| 11 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 13 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 13 | 13 |  | The Life Scientific | BBC Radio 4 | |
| 13 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 13 | — | B | Boring History for Sleep | Velvet | |
| 14 | 2 |  | Unexplainable | Vox | |
| 14 | 8 |  | More or Less | BBC Radio 4 | |
| 16 | 1 | O | Our Changing World | RNZ | |
| 17 | 10 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 19 | 1 |  | Operation Night Cat | New Hampshire Public Radio | |
| 19 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 21 | 5 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 22 | 1 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 22 | 7 |  | CrowdScience | BBC World Service | |
| 23 | 39 |  | Overheard at National Geographic | National Geographic | |
| 23 | 6 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 24 | 58 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 25 | — |  | Astrum Space | Astrum | |
| 27 | 27 | T | The Circle We Keep | The Aotearoa Circle | |
| 27 | 4 |  | Science with Sabine | Sabine Hossenfelder | |
| 28 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 29 | 7 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 29 | 4 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 30 | 3 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 31 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 32 | 3 |  | A Question of Science | The Francis Crick Institute | |
| 32 | 2 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 33 | 1 |  | Universe Today Podcast | Fraser Cain | |
| 34 | 10 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 35 | 13 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 35 | 26 |  | People Helping Nature Podcast | Conservation Amplified | |
| 37 | — |  | The Science Show | ABC | |
| 38 | 4 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 38 | 23 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 39 | 3 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 39 | 6 |  | The Psychology Podcast | iHeartPodcasts | |
| 39 | 16 |  | The world, the universe and us | New Scientist | |
| 40 | — | K | Kākāpō Files II | RNZ | |
| 40 | 3 |  | Skeptoid | Brian Dunning | |
| 41 | 9 |  | The Science of Birds | Ivan Phillipsen | |
| 43 | 69 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 43 | 18 |  | Unexpected Elements | BBC World Service | |
| 44 | 9 |  | Blurry Creatures | Blurry Creatures | |
| 44 | 14 |  | Short Wave | NPR | |
| 45 | 11 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 46 | 9 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 46 | 5 |  | Mysterious Universe | 8th Kind | |
| 47 | 33 |  | Quirks and Quarks | CBC | |
| 48 | — |  | The Plodcast | Our Media | |
| 48 | 57 |  | Mind & Matter | Nick Jikomes | |
| 48 | 33 |  | Manifold | Steve Hsu | |
| 49 | 34 |  | Alive Again | iHeartPodcasts | |
| 50 | 11 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 50 | 5 |  | Science Friday | Science Friday and WNYC Studios | |
| 51 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 52 | 26 |  | Drilled | Pushkin Industries | |
| 53 | 86 |  | Mythfits | Pionaire Podcasting | |
| 55 | 39 | T | The Force of Nature Podcast | Conan Moynihan | |
| 55 | 25 |  | Paranormal Portal | Brent Thomas | |
| 56 | 35 |  | Naturebang | BBC Radio 4 | |
| 57 | 10 |  | Most Terrifying Places in America | Travel Channel | |
| 57 | 22 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 58 | 17 | F | Forensics Talks | Eugene Liscio | |
| 59 | 4 | W | What The Duck?! | ABC | |
| 59 | 10 |  | You Are Not So Smart | You Are Not So Smart | |
| 62 | 28 |  | Scotland Outdoors | BBC Radio Scotland | |
| 63 | 32 |  | Science In Action | BBC World Service | |
| 63 | — | N | Native New Zealand | Christ's College Department of English and Media Studies | |
| 64 | — |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 64 | — |  | The Quanta Podcast | Quanta Magazine | |
| 65 | — |  | 洪晃|晃然大悟 | 洪晃|晃然大悟 | |
| 65 | — |  | American Innovations | Wondery | |
| 65 | 10 |  | Dr Karl Podcast | triplej | |
| 66 | 128 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 66 | — |  | Rare Earth | BBC Radio 4 | |
| 66 | — |  | The Rumen Room Podcasts | cwestwood | |
| 67 | — |  | The Nature Of with Willow Defebaugh | Atmos | |
| 67 | 90 |  | Planet Em | Emily McDonald | |
| 68 | 21 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 68 | 8 |  | Speaking of Psychology | American Psychological Association | |
| 69 | 54 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 69 | 90 |  | The Astrophysics Podcast | Paul Duffell | |
| 70 | 21 | T | The Big Disaster: The Big Burn | LAist Studios | |
| 70 | 18 | T | The myCOW Podcast | myCOW | |
| 70 | — |  | The Joy of x | Steven Strogatz and Quanta Magazine | |
| 71 | 12 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 72 | 47 |  | Ask a Spaceman! | Paul M. Sutter | |
| 72 | 13 | E | EcoFarm Aotearoa | Ewan Campbell with co-host Stephen Brunton | |