| 1 | — |  | Unexplainable | Vox | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 1 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 6 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 56 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 8 | 1 |  | Science Vs | Spotify Studios | |
| 9 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 10 | 3 |  | Science Weekly | The Guardian | |
| 11 | 4 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 12 | 5 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 13 | 2 |  | Radiolab | WNYC Studios | |
| 14 | 10 |  | CrowdScience | BBC World Service | |
| 15 | 68 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 16 | 4 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 17 | 12 | B | Boring History for Sleep | Velvet | |
| 18 | 8 |  | BBC Inside Science | BBC Radio 4 | |
| 19 | 5 |  | Discovery | BBC World Service | |
| 20 | 9 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 21 | 5 |  | All In The Mind | ABC | |
| 22 | 37 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 23 | 18 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 24 | 6 | O | Our Changing World | RNZ | |
| 25 | 17 | W | What The Duck?! | ABC | |
| 26 | 27 | N | Native New Zealand | Christ's College Department of English and Media Studies | |
| 27 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 28 | 30 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 29 | 6 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 30 | 10 |  | Science In Action | BBC World Service | |
| 31 | 12 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 32 | 65 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 33 | 65 | B | Big Sky Country | Bush Heritage Australia | |
| 34 | 12 |  | Unexpected Elements | BBC World Service | |
| 35 | 10 |  | Curious Cases | BBC Radio 4 | |
| 36 | 87 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 37 | 19 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 38 | 118 |  | Unknowns | OER Project | |
| 39 | 110 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 40 | 137 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 41 | 136 | S | Safe As Podcast | Ben Hutchinson | |
| 42 | — | M | Math-Life Balance | Mura Yakerson | |
| 43 | 17 |  | Drilled | Pushkin Industries | |
| 44 | 17 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 45 | — | G | Gastrointestinal Cancer Update | Dr. Neil Love | |
| 46 | — | T | the Building Performance Podcast | the Building Performance Workshop | |
| 47 | — | D | Diagnosing Dilemmas | Stanford Association for Medical Ethics | |
| 48 | — | R | Redefining Pink | Redefining Pink | |
| 49 | — | E | Eyes on Earth | USGS | |
| 50 | 22 | 3 | 3M Science of Safety | 3M | |
| 51 | 19 |  | More or Less | BBC Radio 4 | |
| 52 | 43 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 53 | 41 | V | Voice of Tangaroa | RNZ | |
| 54 | 19 |  | Mythfits | Pionaire Podcasting | |
| 55 | 21 |  | The world, the universe and us | New Scientist | |
| 56 | 25 |  | Rare Earth | BBC Radio 4 | |
| 57 | 27 | C | Costing the Earth | BBC Radio 4 | |
| 58 | 22 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 59 | 27 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 60 | 27 |  | The Climate Question | BBC World Service | |
| 61 | 65 | F | Fight for the Wild | RNZ | |
| 62 | 23 |  | Head Shepherd | Mark Ferguson | |
| 63 | 26 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 64 | 130 |  | Science Friction | ABC | |
| 65 | 27 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 66 | 126 | L | Law at the End of the World | Elizabeth Macpherson and Cristy Clark | |
| 67 | 18 | W | What the f*** is biodiversity? | National Environmental Treasure | |
| 68 | 28 | A | A Neuroscientist Explains | The Guardian | |
| 69 | 8 |  | Blurry Creatures | Blurry Creatures | |
| 70 | 16 |  | The Life Scientific | BBC Radio 4 | |
| 71 | 21 | D | Down To Earth: A podcast for Geoscientists by Geoscientist | grssieee | |
| 72 | 28 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 73 | 30 |  | This Week in Virology | Vincent Racaniello | |
| 74 | 29 |  | This Week in Parasitism | Vincent Racaniello | |
| 75 | 29 | B | Branch Out | Botanic Gardens of Sydney | |
| 76 | 29 | A | American Journal of Infection Control: Science Into Practice | Association for Professionals in Infection Control and Epidemiology (APIC) | |
| 77 | 29 | B | Boring Science For Sleep | Sleepless Scientist | |
| 78 | 27 | T | The SHEA Podcast | The SHEA Podcast | |
| 79 | 22 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 80 | 25 |  | Babbage from The Economist | The Economist | |
| 81 | 13 |  | The Science of Birds | Ivan Phillipsen | |
| 82 | 30 | T | The Systems Sandbox | First Person Consulting | |
| 83 | 23 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 84 | 22 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 85 | 28 |  | Overheard at National Geographic | National Geographic | |
| 86 | 17 |  | Eons: Surviving Deep Time | PBS | |
| 87 | 22 | T | The myCOW Podcast | myCOW | |
| 88 | 24 |  | Instant Genius | Our Media | |
| 89 | 18 |  | The Common Descent Podcast | Common Descent | |
| 90 | 24 |  | The Plodcast | Our Media | |
| 91 | — |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 92 | 14 | T | The Huw Richards Show | Huw Richards | |
| 93 | 21 | F | Farming Today | BBC Radio 4 | |
| 94 | 27 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 95 | 21 | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 96 | 17 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 97 | 27 |  | Ancient Aliens | PodcastOne | |
| 98 | 16 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 99 | 15 |  | Speaking of Psychology | American Psychological Association | |
| 100 | 47 |  | The Michael Shermer Show | Michael Shermer | |
