| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 3 |  | More or Less | BBC Radio 4 | |
| 2 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 1 |  | Curious Cases | BBC Radio 4 | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | — |  | All In The Mind | ABC | |
| 5 | 1 |  | Radiolab | WNYC Studios | |
| 7 | 5 |  | Science Vs | Spotify Studios | |
| 9 | 1 | B | Boring History for Sleep | Velvet | |
| 9 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | 53 |  | Unexplainable | Vox | |
| 10 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 11 | 3 |  | Science Weekly | The Guardian | |
| 12 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | 1 | O | Our Changing World | RNZ | |
| 14 | 4 |  | Operation Night Cat | New Hampshire Public Radio | |
| 15 | 5 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 16 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 16 | 3 |  | A Question of Science | The Francis Crick Institute | |
| 16 | — | K | Kākāpō Files II | RNZ | |
| 17 | 9 |  | Babbage from The Economist | The Economist | |
| 18 | 1 |  | Unexpected Elements | BBC World Service | |
| 18 | 16 |  | Discovery | BBC World Service | |
| 19 | 3 |  | The Life Scientific | BBC Radio 4 | |
| 20 | 5 |  | Planet Em | Emily McDonald | |
| 20 | 15 |  | CrowdScience | BBC World Service | |
| 21 | 9 |  | BBC Inside Science | BBC Radio 4 | |
| 21 | 11 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 22 | 71 |  | Nature Podcast | Springer Nature Limited | |
| 22 | 3 |  | The world, the universe and us | New Scientist | |
| 23 | 12 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 23 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 24 | 5 |  | Universe Today Podcast | Fraser Cain | |
| 24 | 1 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 25 | 3 |  | Naturebang | BBC Radio 4 | |
| 26 | 9 |  | Overheard at National Geographic | National Geographic | |
| 26 | 13 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 26 | — | D | Deep Dives With Sharks | Alex Humphreys | |
| 28 | 7 | E | EcoFarm Aotearoa | Ewan Campbell with co-host Stephen Brunton | |
| 29 | 12 |  | The Quanta Podcast | Quanta Magazine | |
| 30 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 32 | 24 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 32 | 103 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 33 | 4 |  | Science In Action | BBC World Service | |
| 33 | 29 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 34 | 13 |  | Speaking of Psychology | American Psychological Association | |
| 34 | 95 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 35 | 10 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 36 | — |  | Instant Genius | Our Media | |
| 36 | 14 |  | The Science of Birds | Ivan Phillipsen | |
| 37 | 4 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 38 | — |  | Scott Carney Investigates | Scott Carney | |
| 39 | — |  | 洪晃|晃然大悟 | 洪晃|晃然大悟 | |
| 40 | — | C | ClimbSci - Better Climbing Through Science | Tom Herbert & Brian Rigby | |
| 41 | — | N | Nature Disturbed | Nature Disturbed | |
| 42 | 9 | T | The Complete History of Science | Gethin Richards | |
| 42 | 4 | N | Native New Zealand | Christ's College Department of English and Media Studies | |
| 42 | — | L | Lasers in Skin | Lisa McMahon & Mike Murphy | |
| 43 | 151 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 44 | 5 |  | The Michael Shermer Show | Michael Shermer | |
| 44 | — | T | The Vet Nurse Skills Podcast | vetnurseskills | |
| 45 | 21 |  | Blurry Creatures | Blurry Creatures | |
| 46 | 7 | そ | そろそろ東京ネイティブ？ | そろ東京 | |
| 46 | 2 |  | The Climate Question | BBC World Service | |
| 48 | 6 |  | The Human Progress Podcast | HumanProgress.org | |
| 48 | 23 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 49 | 21 |  | Scotland Outdoors | BBC Radio Scotland | |
| 50 | 74 |  | Overshoot: Navigating a world beyond 1.5°C | Planet B Productions | |
| 52 | 9 | F | Fight for the Wild | RNZ | |
| 52 | 39 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 53 | 2 |  | Short Wave | NPR | |
| 55 | 7 |  | The Threshold | Foreign Policy | |
| 57 | 4 |  | Astrum Space | Astrum | |
| 57 | 7 |  | People Helping Nature Podcast | Conservation Amplified | |
| 58 | 10 |  | The Common Descent Podcast | Common Descent | |
| 59 | 10 |  | The Jim Rutt Show | The Jim Rutt Show | |
| 60 | 8 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 60 | 60 |  | Leaked | TFLabs | |
| 61 | 7 |  | Ask a Spaceman! | Paul M. Sutter | |
| 62 | 21 |  | Bigfoot Society | Jeremiah Byron | |
| 62 | — |  | TheThinkingAtheist | The Thinking Atheist | |
| 63 | 6 | W | What The Duck?! | ABC | |
| 64 | 13 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 64 | 79 | S | scigest - Bioeconomy Science Institute podcasts | New Zealand Institute for Bioeconomy Science Limited | |
| 65 | 29 |  | The Science Show | ABC | |
| 67 | 46 |  | Science Friday | Science Friday and WNYC Studios | |
| 68 | 13 | T | The Science Of… | RNZ | |
| 69 | 32 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 69 | 38 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 70 | 107 | N | Noid Knowledge | Cannabis Science & Technology | |
| 71 | 16 | T | Tom Nelson | Thomas Nelson | |
| 71 | 13 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 72 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 72 | 13 |  | TED Talks Science and Medicine | TED | |
| 73 | 21 |  | The Plodcast | Our Media | |
| 74 | 17 |  | Ground Truths | Eric Topol | |
| 74 | 28 |  | Drilled | Pushkin Industries | |
| 75 | 8 |  | The Joy of x | Steven Strogatz and Quanta Magazine | |
