| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 6 |  | Science Weekly | The Guardian | |
| 4 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | 2 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 7 | 4 |  | Radiolab | WNYC Studios | |
| 8 | 6 |  | More or Less | BBC Radio 4 | |
| 9 | 26 |  | BBC Inside Science | BBC Radio 4 | |
| 10 | 2 |  | Curious Cases | BBC Radio 4 | |
| 11 | 6 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 12 | 7 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | 36 | N | Nature Conversations: Dr. Adam Forbes Interviews the Experts | Dr Adam Forbes | |
| 14 | 172 |  | Skeptics with a K | Skeptic Media Limited | |
| 15 | 17 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 16 | 9 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 17 | 4 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 18 | 24 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 19 | 9 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 20 | 49 |  | Science Vs | Spotify Studios | |
| 21 | 9 |  | ScienceStuff | iHeartPodcasts | |
| 22 | 95 |  | Astrum Space | Astrum | |
| 23 | 14 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 24 | 3 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 25 | — | V | Voice of Tangaroa | RNZ | |
| 26 | 2 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 27 | 11 |  | Discovery | BBC World Service | |
| 28 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 29 | 9 |  | CrowdScience | BBC World Service | |
| 30 | — |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 31 | 8 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 32 | 18 |  | Water Resources Podcast | Bridget Scanlon | |
| 33 | 18 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 34 | 19 |  | People Helping Nature Podcast | Conservation Amplified | |
| 35 | 16 |  | Unexplainable | Vox | |
| 36 | 14 |  | The Michael Shermer Show | Michael Shermer | |
| 37 | 19 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 38 | 57 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 39 | 51 | T | The Animal Sensemaker | The Observer | |
| 40 | 61 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 41 | 51 |  | This Week in Virology | Vincent Racaniello | |
| 42 | 8 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 43 | 22 | W | Why Speckle Park? | JAD Speckle Park | |
| 44 | 20 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 45 | 88 |  | Speaking of Psychology | American Psychological Association | |
| 46 | 21 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 47 | 111 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 48 | 125 |  | New Books in Critical Theory | Marshall Poe | |
| 49 | 12 | O | Our Changing World | RNZ | |
| 50 | 20 |  | The Psychology Podcast | iHeartPodcasts | |
| 51 | — |  | The Quanta Podcast | Quanta Magazine | |
| 52 | 116 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 53 | — |  | The Science of Birds | Ivan Phillipsen | |
| 54 | 23 |  | Nature Podcast | Springer Nature Limited | |
| 55 | — |  | Ask the Naked Scientists | Dr Chris Smith | |
| 56 | 15 |  | The Life Scientific | BBC Radio 4 | |
| 57 | — | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 58 | — |  | Soil Matters | The British Society of Soil Science | |
| 59 | 33 | T | The Fascia Guide | thefasciaguide | |
| 60 | — | D | Don't Pee on Your Leg (and other scientific misconceptions) | Two Birds, One Scone | |
| 61 | — | T | This Natural Life | BBC Radio 4 | |
| 62 | — |  | The TBRI Podcast | Karyn Purvis Institute of Child Development TCU | |
| 63 | 23 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 64 | 35 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 65 | — |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 66 | — | C | CHEST Journal Podcasts | American College of Chest Physicians | |
| 67 | — | K | Ko Papa Ko Rangi: Ahi Kaa | The Spinoff | |
| 68 | — | S | Stroke Alert | Negar Asdaghi, MD, MSc, FRCPC, FAHA | |
| 69 | — |  | Homesteading and Permaculture by Paul Wheaton | paul wheaton | |
| 70 | — | T | The Parkinson’s Research Podcast: New Discoveries in Neuroscience | The Michael J. Fox Foundation for Parkinson’s Research | |
| 71 | 38 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 72 | 33 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 73 | 35 |  | Outside/In | NHPR | |
| 74 | 30 |  | All In The Mind | ABC | |
| 75 | 39 |  | The world, the universe and us | New Scientist | |
| 76 | 33 |  | Somewhere in the Skies | SpectreVision Radio | |
| 77 | 52 |  | Science In Action | BBC World Service | |
| 78 | 99 |  | Dr Karl Podcast | triplej | |
| 79 | 34 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 80 | 33 |  | Overheard at National Geographic | National Geographic | |
| 81 | 35 |  | The Biochar Podcast | ANZBIG | |
| 82 | 34 | S | scigest - Bioeconomy Science Institute podcasts | New Zealand Institute for Bioeconomy Science Limited | |
| 83 | 21 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 84 | 24 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 85 | 14 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 86 | 27 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 87 | 30 | N | Nature Track | ABC | |
| 88 | 37 | O | Ocean Science Radio | Ocean Science Radio | |
| 89 | 37 | C | Clinically Thinking | Clinically Thinking | |
| 90 | 36 | N | New Books in Public Policy | New Books Network | |
| 91 | 36 |  | Cosmos In You - Guide to Inner Space | Suzannah Scully | |
| 92 | 18 |  | The Parkinson's Podcast | Davis Phinney Foundation | |
| 93 | 35 | D | Down the Hatch - The Swallowing Podcast | Down the Hatch - The Swallowing Podcast | |
| 94 | 28 |  | That UFO Podcast | That UFO Podcast | |
| 95 | 7 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 96 | 33 |  | TheThinkingAtheist | The Thinking Atheist | |
| 97 | 30 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 98 | 14 |  | Blurry Creatures | Blurry Creatures | |
| 99 | 34 | A | A Neuroscientist Explains | The Guardian | |
| 100 | 29 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
