| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | 1 |  | Curious Cases | BBC Radio 4 | |
| 5 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 7 | 3 |  | More or Less | BBC Radio 4 | |
| 8 | — |  | All In The Mind | ABC | |
| 9 | 51 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 10 | 5 | B | Boring History for Sleep | Velvet | |
| 11 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 3 |  | Unexplainable | Vox | |
| 13 | 8 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | 13 |  | Science Weekly | The Guardian | |
| 15 | 5 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 16 | 6 |  | Discovery | BBC World Service | |
| 17 | 6 |  | Alive Again | iHeartPodcasts | |
| 18 | 6 |  | The Plodcast | Our Media | |
| 19 | 6 |  | Radiolab | WNYC Studios | |
| 20 | 48 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 21 | 45 |  | Eons: Surviving Deep Time | PBS | |
| 22 | 9 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 23 | 9 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 24 | 49 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 25 | 49 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 26 | 24 |  | BBC Inside Science | BBC Radio 4 | |
| 27 | 9 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 28 | 63 |  | Unexpected Elements | BBC World Service | |
| 29 | 87 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 30 | 84 |  | Drilled | Pushkin Industries | |
| 31 | 160 |  | Skeptics with a K | Skeptic Media Limited | |
| 32 | 16 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 33 | 14 |  | CrowdScience | BBC World Service | |
| 34 | 17 | F | Fight for the Wild | RNZ | |
| 35 | 145 |  | The Climate Question | BBC World Service | |
| 36 | 18 |  | People Helping Nature Podcast | Conservation Amplified | |
| 37 | 120 |  | You Are Not So Smart | You Are Not So Smart | |
| 38 | — | N | Nature Conversations: Dr. Adam Forbes Interviews the Experts | Dr Adam Forbes | |
| 39 | — |  | Soils For Life | Soils For Life | |
| 40 | — | N | Nature Fix | National Trust | |
| 41 | — |  | Green Dreamer: Seeding change towards collective healing, sustainability, regeneration | kaméa chayne | |
| 42 | — |  | The Mushroom Hour Podcast | Mushroom Hour | |
| 43 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 44 | — | A | AnthropoScene | Elianne Gutierrez | |
| 45 | — |  | Grey Dynamics | Grey Dynamics | |
| 46 | — | P | PeerView Clinical Pharmacology CME/CNE/CPE Audio Podcast | PVI, PeerView Institute for Medical Education | |
| 47 | — | L | Law at the End of the World | Elizabeth Macpherson and Cristy Clark | |
| 48 | — |  | The Joy of x | Steven Strogatz and Quanta Magazine | |
| 49 | — |  | 地球真好玩 | 日谈公园 | |
| 50 | — | C | Clinical Pharmacology Podcast with Nathan Teuscher | Nathan Teuscher | |
| 51 | — | E | Edge of the Hedge | Hannah Sylvester | |
| 52 | 29 |  | The world, the universe and us | New Scientist | |
| 53 | 18 |  | The Common Descent Podcast | Common Descent | |
| 54 | 146 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 55 | 31 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 56 | 24 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 57 | 18 |  | Scotland Outdoors | BBC Radio Scotland | |
| 58 | 46 |  | Science In Action | BBC World Service | |
| 59 | 33 |  | Speaking of Psychology | American Psychological Association | |
| 60 | 134 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 61 | 30 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 62 | 34 |  | How We're Wired | The Bertarelli Foundation | |
| 63 | 29 |  | The Life Scientific | BBC Radio 4 | |
| 64 | 35 |  | Origin Stories | The Leakey Foundation | |
| 65 | 35 |  | The Behavioral Design Podcast | Samuel Salzer and Aline Holzwarth | |
| 66 | 33 |  | Ground Truths | Eric Topol | |
| 67 | 9 | O | Our Changing World | RNZ | |
| 68 | 28 |  | Science Vs | Spotify Studios | |
| 69 | 31 |  | Need To Know | Bryce Zabel | |
| 70 | 23 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 71 | 29 |  | Science Quickly | Scientific American | |
| 72 | 35 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 73 | 105 |  | Safety Third | Safety Third | |
| 74 | 33 | ![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 | |
| 75 | 27 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 76 | 32 |  | Going Wild with Dr. Rae Wynn-Grant | PBS Nature | |
| 77 | 34 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 78 | 33 |  | Planet Pulse Pacific | The Lentil Intervention | |
| 79 | 24 | T | The Vet Nurse Skills Podcast | vetnurseskills | |
| 80 | 26 | H | Here We Are | Shane Mauss | |
| 81 | 35 | S | Science Talk | Scientific American | |
| 82 | — |  | Votre cerveau | France Culture | |
| 83 | 34 |  | Most Terrifying Places in America | Travel Channel | |
| 84 | 33 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 85 | — |  | Hard Truths | Ashton Forbes | |
| 86 | 34 | V | VN Times Podcast | VN Times | |
| 87 | 34 | C | CERI | CERI | |
| 88 | — | R | Radiology Podcast | RSNA | The Radiological Society of North America | |
| 89 | — |  | Biologia em Meia Hora | Educação em Meia Hora | |
| 90 | 34 | B | BehaviouRVNs | Nikki McLeod | |
| 91 | 34 |  | Skeptics in the Pub Online Podcast | Skeptics in the Pub Online | |
| 92 | — | T | The Sentience Institute Podcast | Sentience Institute | |
| 93 | 26 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 94 | 35 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 95 | 25 |  | The Science of Birds | Ivan Phillipsen | |
| 96 | 34 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 97 | 5 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 98 | 37 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 99 | 44 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 100 | 36 |  | Physics World Weekly Podcast | Physics World | |
