| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | 1 |  | Radiolab | WNYC Studios | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | — |  | Science Weekly | The Guardian | |
| 5 | 8 |  | More or Less | BBC Radio 4 | |
| 6 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 2 |  | Science Vs | Spotify Studios | |
| 8 | 2 |  | Curious Cases | BBC Radio 4 | |
| 9 | 5 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 10 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 11 | 11 | N | Nature Conversations: Dr. Adam Forbes Interviews the Experts | Dr Adam Forbes | |
| 12 | 48 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 13 | 19 |  | CrowdScience | BBC World Service | |
| 14 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 15 | 5 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 16 | 8 |  | Unexplainable | Vox | |
| 17 | 39 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 18 | 6 |  | BBC Inside Science | BBC Radio 4 | |
| 19 | 10 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 20 | 9 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 21 | 13 | O | Open Country | BBC Radio 4 | |
| 22 | 14 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 23 | 59 |  | All In The Mind | ABC | |
| 24 | 4 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 25 | 9 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 26 | 148 |  | Where Inches Matter by Agraforum | Agraforum NZ | |
| 27 | 13 |  | ScienceStuff | iHeartPodcasts | |
| 28 | 9 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 29 | 6 |  | Unexpected Elements | BBC World Service | |
| 30 | 47 |  | Nature Podcast | Springer Nature Limited | |
| 31 | 53 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 32 | — |  | Sensible Medicine | Sensible Medicine Authors and Editors | |
| 33 | — |  | Os três elementos | Os três elementos / TocaCast | |
| 34 | 17 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 35 | 2 |  | Science In Action | BBC World Service | |
| 36 | 7 |  | Discovery | BBC World Service | |
| 37 | — |  | Origin Stories | The Leakey Foundation | |
| 38 | 17 |  | Skeptics with a K | Skeptic Media Limited | |
| 39 | 12 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 40 | 22 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 41 | 48 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 42 | 48 | T | This Natural Life | BBC Radio 4 | |
| 43 | 18 |  | The Psychology Podcast | iHeartPodcasts | |
| 44 | 34 |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 45 | 84 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 46 | 74 | N | Nature Track | ABC | |
| 47 | 21 | T | The Animal Sensemaker | The Observer | |
| 48 | 133 | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 49 | 119 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 50 | 101 |  | The Plodcast | Our Media | |
| 51 | 4 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 52 | 9 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 53 | 23 | S | Safari Stories | Trunks and Tracks | |
| 54 | — |  | SciShow Tangents | Complexly | |
| 55 | — |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 56 | 20 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 57 | 11 |  | The world, the universe and us | New Scientist | |
| 58 | 136 |  | Biotech 2050 Podcast | Biotech 2050 | |
| 59 | 18 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 60 | 25 |  | Short Wave | NPR | |
| 61 | — | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 62 | — | T | The Deep-Sea Podcast | Thomas Linley | |
| 63 | — |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 64 | — |  | EverydaySpy Podcast | Andrew Bustamante | |
| 65 | 8 | O | Our Changing World | RNZ | |
| 66 | — |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 67 | 25 |  | Regenerative Agriculture Podcast | John Kempf | |
| 68 | 29 |  | Astrum Space | Astrum | |
| 69 | — |  | 自然选择NaturalSelection | 自然选择播客 | |
| 70 | — |  | A Life More Wild | Canopy & Stars | |
| 71 | — | T | The Huw Richards Show | Huw Richards | |
| 72 | — |  | Main Engine Cut Off | Anthony Colangelo | |
| 73 | — | T | The DemystifySci Podcast | DemystifySci | |
| 74 | 43 | M | MDS Podcast | International Parkinson and Movement Disorder Society | |
| 75 | — | E | Encounters Down Under | Anthony Goodall | |
| 76 | — |  | BioCentury This Week | BioCentury | |
| 77 | — | D | Discovering Us | The Leakey Foundation | |
| 78 | — | H | How I Wrote This | Brett Gordon and Karen Winterich | |
| 79 | 41 | F | Feed for Thought | Pioneer Brand Products NZ | |
| 80 | 43 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 81 | 5 |  | This Week in Virology | Vincent Racaniello | |
| 82 | 36 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 83 | 38 |  | Mind & Life | Mind & Life Institute | |
| 84 | 33 |  | The Life Scientific | BBC Radio 4 | |
| 85 | 13 |  | Dr Karl Podcast | triplej | |
| 86 | 19 |  | Universe Today Podcast | Fraser Cain | |
| 87 | 21 | F | Farmers Helping Farmers | VicNoTill | |
| 88 | 44 | V | Voice of Tangaroa | RNZ | |
| 89 | 41 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 90 | 41 |  | You Are Not So Smart | You Are Not So Smart | |
| 91 | 41 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 92 | 23 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 93 | 22 |  | The Michael Shermer Show | Michael Shermer | |
| 94 | 42 | M | MissPerceived | Audiocrafty | |
| 95 | 10 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 96 | 39 |  | A Voyage to Antarctica | UKAHT | |
| 97 | 38 | T | The Science Of… | RNZ | |
| 98 | 34 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 99 | 20 |  | Speaking of Psychology | American Psychological Association | |
| 100 | 46 |  | The Science of Coffee | James Harper | |
