| 1 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 1 |  | The world, the universe and us | New Scientist | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 1 |  | Science Vs | Spotify Studios | |
| 5 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 7 | 1 |  | Curious Cases | BBC Radio 4 | |
| 8 | 6 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 9 | 1 |  | Radiolab | WNYC Studios | |
| 10 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 11 | 2 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 12 | 5 |  | MinuteEarth | Minute Earth | |
| 13 | — |  | All In The Mind | ABC | |
| 14 | 2 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 15 | — | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 16 | — |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 17 | 5 | O | Our Changing World | RNZ | |
| 18 | 39 |  | Nature Podcast | Springer Nature Limited | |
| 19 | 8 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 20 | 9 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 21 | 3 |  | Unexplainable | Vox | |
| 22 | 8 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 23 | 3 |  | Astrum Space | Astrum | |
| 24 | 12 |  | The Psychology Podcast | iHeartPodcasts | |
| 25 | 19 |  | Alive Again | iHeartPodcasts | |
| 26 | 22 |  | Overheard at National Geographic | National Geographic | |
| 27 | — |  | Os três elementos | Os três elementos / TocaCast | |
| 28 | 9 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 29 | 12 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 30 | 6 |  | BBC Inside Science | BBC Radio 4 | |
| 31 | 111 |  | Invisibilia | NPR | |
| 32 | 9 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 33 | 12 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 34 | 8 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 35 | 151 |  | Universe Today Podcast | Fraser Cain | |
| 36 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 37 | 12 |  | Science Weekly | The Guardian | |
| 38 | 11 | W | What The Duck?! | ABC | |
| 39 | 11 |  | More or Less | BBC Radio 4 | |
| 40 | 3 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 41 | — |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 42 | 135 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 43 | 12 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 44 | — |  | Head Shepherd | Mark Ferguson | |
| 45 | — |  | TheThinkingAtheist | The Thinking Atheist | |
| 46 | — |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 47 | 149 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 48 | — |  | This Week in Cardiology | Medscape | |
| 49 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 50 | — |  | 淇葩人 ChiPodRant | 阿淇博士 Dr. Achi | |
| 51 | — | E | Elemental | RNZ | |
| 52 | — |  | The Gaslit Truth | Dr. Teralyn & Therapist Jenn | |
| 53 | 21 |  | Believing the Bizarre: Paranormal Conspiracies & Myths | Tyler and Charlie | |
| 54 | — | C | CrowdScience | BBC World Service | |
| 55 | 22 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 56 | 22 | H | How To Protect The Ocean | Andrew Lewin | |
| 57 | — |  | Manifold | Steve Hsu | |
| 58 | — |  | Ground Truths | Eric Topol | |
| 59 | — | P | Physics World Stories Podcast | Physics World | |
| 60 | — |  | The Brain Health Revolution Podcast | The Brain Docs | |
| 61 | — | M | Making Sense with Sam Harris | 5 minute podcast summaries | 5 minute podcast summaries | |
| 62 | 27 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 63 | 25 |  | Beyond the Ice | British Antarctic Survey | |
| 64 | 24 |  | The Quanta Podcast | Quanta Magazine | |
| 65 | 26 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 66 | 41 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 67 | 28 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 68 | 27 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 69 | 23 |  | ScienceStuff | iHeartPodcasts | |
| 70 | 28 |  | Lost Women of Science | Lost Women of Science | |
| 71 | 21 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 72 | 20 |  | Blurry Creatures | Blurry Creatures | |
| 73 | 24 |  | Discovery | BBC World Service | |
| 74 | 31 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 75 | 24 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 76 | 29 |  | Origin Stories | The Leakey Foundation | |
| 77 | 32 |  | Robinson's Podcast | Robinson Erhardt | |
| 78 | 23 |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 79 | 21 |  | The Life Scientific | BBC Radio 4 | |
| 80 | 27 |  | The Parkinson's Podcast | Davis Phinney Foundation | |
| 81 | 25 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 82 | 28 |  | Mythfits | Pionaire Podcasting | |
| 83 | 16 |  | Physics World Weekly Podcast | Physics World | |
| 84 | 15 |  | Sensible Medicine | Sensible Medicine Authors and Editors | |
| 85 | 8 |  | The Michael Shermer Show | Michael Shermer | |
| 86 | 27 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 87 | 4 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 88 | 28 |  | MinuteEarth | Minute Earth | |
| 89 | 28 |  | New Books in Critical Theory | Marshall Poe | |
| 90 | 17 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 91 | 27 | E | Economics In Ten | Economics In Ten | |
| 92 | 30 | B | blurbs | Matt Ross | |
| 93 | 27 |  | Rare Earth | BBC Radio 4 | |
| 94 | 11 | P | Pathologically Speaking | NSW Health Pathology | |
| 95 | 27 | 一 | 一口經濟學 bitesize economics | Charles Liao | |
| 96 | 33 | R | Rescuing Raptors: Stories About Birds of Prey Rescues | Nancy McDonald | |
| 97 | 17 | A | ASPEN Podcasts | ASPEN Podcasts | |
| 98 | 33 |  | Naked Astronomy, from the Naked Scientists | The Naked Scientists | |
| 99 | 27 | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 100 | 29 |  | DNA Today: A Genetics Podcast | Kira Dineen | |
