| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — |  | More or Less | BBC Radio 4 | |
| 5 | — |  | Radiolab | WNYC Studios | |
| 6 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 1 | B | Boring History for Sleep | Velvet | |
| 8 | 4 |  | Curious Cases | BBC Radio 4 | |
| 9 | 1 |  | All In The Mind | ABC | |
| 10 | 26 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 11 | 10 |  | CrowdScience | BBC World Service | |
| 12 | 5 |  | BBC Inside Science | BBC Radio 4 | |
| 13 | — |  | Science Weekly | The Guardian | |
| 14 | 3 |  | Science Vs | Spotify Studios | |
| 15 | 7 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 17 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 18 | 3 |  | Science Friction | ABC | |
| 19 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 20 | 8 |  | Operation Night Cat | New Hampshire Public Radio | |
| 21 | 14 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 22 | 9 |  | Unexplainable | Vox | |
| 23 | 3 | K | Kākāpō Files II | RNZ | |
| 24 | — |  | Naturebang | BBC Radio 4 | |
| 25 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 26 | 22 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 27 | 8 |  | Get Birding | Peanut & Crumb | |
| 28 | 10 | W | What The Duck?! | ABC | |
| 29 | 3 | O | Our Changing World | RNZ | |
| 30 | 8 |  | Discovery | BBC World Service | |
| 31 | 1 |  | Astrum Space | Astrum | |
| 32 | 9 |  | The world, the universe and us | New Scientist | |
| 33 | 41 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 34 | 52 |  | You Are Not So Smart | You Are Not So Smart | |
| 35 | 50 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 36 | 10 |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 37 | 50 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 38 | 103 | E | EcoFarm Aotearoa | Ewan Campbell with co-host Stephen Brunton | |
| 39 | 33 |  | People Helping Nature Podcast | Conservation Amplified | |
| 40 | 130 |  | Overheard at National Geographic | National Geographic | |
| 41 | 130 | T | The Ballot’s Bloody Rigged - A podcast by the Fiordland Wapiti Foundation | roywapiti | |
| 42 | 145 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 43 | 129 |  | Ancient Aliens | PodcastOne | |
| 44 | — | S | Silicon Valley Astronomy Lectures | Silicon Valley Astronomy Lectures | |
| 45 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 46 | 22 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 47 | 7 |  | The Climate Question | BBC World Service | |
| 48 | 23 |  | Unexpected Elements | BBC World Service | |
| 49 | — | N | Nocturnal Worlds | Audiocraft | |
| 50 | 23 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 51 | — | 科 | 科学星球 | BOX孙彬 | |
| 52 | — |  | The Future of Everything | Stanford Engineering | |
| 53 | 20 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 54 | — | T | The Science of Psychotherapy | Dahlitz Media | |
| 55 | — | P | PsychCrunch | The British Psychological Society Research Digest | |
| 56 | — |  | Tiny Matters | Multitude | |
| 57 | — |  | The Horse First: A Veterinary Sport Horse Podcast | Audrey DeClue, DVM | |
| 58 | — | P | Psychotherapy and Applied Psychology | Dr. Daniel W Cox | |
| 59 | — | V | Veterinary Vertex | AVMA Journals | |
| 60 | — | サ | サイエントーク | 研究者レンとイギリス駐在員エマ | |
| 61 | — | T | The Planet Earth Podcast | BBC Radio 4 | |
| 62 | — | C | Cody Creelman, Cow Vet | Cody Creelman | |
| 63 | 13 | 生 | 生物をざっくり紹介するラジオ 〜ぶつざくネオ〜 | 今もあの日の生物部 | |
| 64 | 9 | T | The Animal Behavior Podcast | The Animal Behavior Podcast | |
| 65 | 8 | T | The Behavioural Ecology and Evolution Podcast (the Beepcast) | noreply@blogger.com (Unknown) | |
| 66 | 8 | T | The PrimateCast | Andrew MacIntosh | |
| 67 | 62 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 68 | 26 |  | The Science of Birds | Ivan Phillipsen | |
| 69 | 87 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 70 | 31 |  | Origin Stories | The Leakey Foundation | |
| 71 | 24 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 72 | 28 |  | Paranormal Portal | Brent Thomas | |
| 73 | 32 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 74 | 4 |  | Scotland Outdoors | BBC Radio Scotland | |
| 75 | 68 |  | Breaking Down: Collapse | Kory & Kellan | |
| 76 | 44 |  | Universe Today Podcast | Fraser Cain | |
| 77 | 19 | O | Open Country | BBC Radio 4 | |
| 78 | 40 |  | The Psychology Podcast | iHeartPodcasts | |
| 79 | 37 |  | Science Friday | Science Friday and WNYC Studios | |
| 80 | 43 |  | The Science Show | ABC | |
| 81 | 15 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 82 | 93 |  | Planet Visionaries – SEASON 5 | A podcast in partnership with The Rolex Perpetual Planet Initiative | |
| 83 | 49 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 84 | — |  | Scott Carney Investigates | Scott Carney | |
| 85 | — |  | Mind & Life | Mind & Life Institute | |
| 86 | 43 |  | Quarks Daily | Quarks | |
| 87 | 19 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 88 | 39 | S | Sci Guys | The Sci Guys | |
| 89 | 26 |  | 洪晃|晃然大悟 | 洪晃|晃然大悟 | |
| 90 | — |  | The Eco Well podcast | Jen@theecowell | |
| 91 | 40 |  | This Week in Space (Audio) | TWiT | |
| 92 | 40 | S | Samoan Scientist Podcast | Amy | |
| 93 | 40 |  | Prognosis: Misconception | Bloomberg | |
| 94 | 40 | S | Supernatural Girlz | KGRA Digital Broadcasting | |
| 95 | 39 | S | Science Shambles | The Cosmic Shambles Network | |
| 96 | 37 | D | Don't Die Curious | Juliet Hahn | |
| 97 | 37 | D | Disabled Scientists | Disabled Scientists | |
| 98 | 37 | W | Words on Wood | AHEC Europe | |
| 99 | 30 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 100 | 23 |  | Mind & Matter | Nick Jikomes | |
