| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Radiolab | WNYC Studios | |
| 3 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 1 |  | More or Less | BBC Radio 4 | |
| 5 | 6 |  | Curious Cases | BBC Radio 4 | |
| 6 | — |  | All In The Mind | ABC | |
| 7 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 8 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 9 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 10 | 6 |  | Ologies with Alie Ward | Alie Ward | |
| 11 | 3 | O | Our Changing World | RNZ | |
| 12 | 5 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | 2 |  | Science Vs | Spotify Studios | |
| 15 | 1 |  | Discovery | BBC World Service | |
| 16 | 1 |  | CrowdScience | BBC World Service | |
| 17 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 18 | 4 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 19 | — |  | Science Weekly | The Guardian | |
| 20 | 5 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 21 | 22 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 22 | 78 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 23 | 3 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 24 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 25 | 47 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 26 | 9 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 27 | 6 |  | Science In Action | BBC World Service | |
| 28 | 60 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 29 | 3 |  | Science Friday | Science Friday and WNYC Studios | |
| 30 | 7 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 31 | 4 |  | The world, the universe and us | New Scientist | |
| 32 | 4 |  | Unexpected Elements | BBC World Service | |
| 33 | — |  | In Defense of Plants Podcast | In Defense of Plants | |
| 34 | 6 |  | Universe Today Podcast | Fraser Cain | |
| 35 | 16 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 36 | — |  | Unexplainable | Vox | |
| 37 | 29 |  | Short Wave | NPR | |
| 38 | 40 |  | Overheard at National Geographic | National Geographic | |
| 39 | 8 |  | The Science Show | ABC | |
| 40 | 24 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 41 | — |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 42 | 8 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 43 | 5 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 44 | 39 | T | The International Security Podcast | International Security | |
| 45 | 16 |  | Let's Learn Everything! | Maximum Fun | |
| 46 | 13 | B | blurbs | Matt Ross | |
| 47 | 118 | C | Costing the Earth | BBC Radio 4 | |
| 48 | 55 |  | The Life Scientific | BBC Radio 4 | |
| 49 | 47 |  | Somewhere in the Skies | SpectreVision Radio | |
| 50 | 20 | ![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 | |
| 51 | 6 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 52 | — | W | Wildest Kruger Stories | Karolina Norée | |
| 53 | 63 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 54 | 101 |  | The Climate Question | BBC World Service | |
| 55 | 106 |  | Eons: Surviving Deep Time | PBS | |
| 56 | 3 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 57 | 3 |  | Dr Karl Podcast | triplej | |
| 58 | 23 |  | Origin Stories | The Leakey Foundation | |
| 59 | 18 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 60 | 28 | O | Our Big Shot | Humanly Possible | |
| 61 | — |  | TED Talks Science and Medicine | TED | |
| 62 | 127 |  | Ask a Spaceman! | Paul M. Sutter | |
| 63 | 40 | E | Elemental | RNZ | |
| 64 | — |  | My Bigfoot Sighting | Vic Cundiff | |
| 65 | — |  | Immune | Vincent Racaniello | |
| 66 | 38 |  | Scotland Outdoors | BBC Radio Scotland | |
| 67 | 95 |  | Completely Arbortrary | Completely Arbortrary | |
| 68 | — |  | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 69 | 16 |  | The Plodcast | Our Media | |
| 70 | 39 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 71 | — | C | Cut the Crop! | Foundation for Arable Research (NZ) | |
| 72 | 30 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 73 | — | T | The Paramedic Coach Podcast | The Paramedic Coach | |
| 74 | — |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 75 | 6 | R | Rewilding In Action | Maureen Howard | |
| 76 | — |  | Ciência Suja | Ciência Suja | |
| 77 | — | E | Echoes of Impact | AUT Media | |
| 78 | — | T | The Milky Way Podcast | Kanal K | |
| 79 | 27 |  | Quirks and Quarks | CBC | |
| 80 | — |  | Settle the Stars: The Science of Space Exploration | Edgeworks Nebula | |
| 81 | — | N | New Books in Anthropology | New Books Network | |
| 82 | 20 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 83 | 44 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 84 | 28 |  | The Psychology Podcast | iHeartPodcasts | |
| 85 | — | B | Best Medicine | BBC Radio 4 | |
| 86 | — | G | Grow And Glow - 在生活成长中绽放自己的光｜自我成长｜生活再启动 | Faye (一逸)And Amanda | |
| 87 | — | B | Bird of the Week | Bird of the Week | |
| 88 | — | F | Fight for the Wild | RNZ | |
| 89 | — | T | The Universe Speaks in Numbers | Faber and Faber | |
| 90 | — |  | Raising Health | Andreessen Horowitz, a16z Bio + Health | |
| 91 | 45 | H | Healthcare Goes Digital | Impetus Digital | |
| 92 | — | P | Pain and Palliative Medicine (Video) | UCTV | |
| 93 | — | T | This Natural Life | BBC Radio 4 | |
| 94 | 47 | E | EXPLORING HEALTHCARE INTEROPERABILITY | Podcast hl7 | |
| 95 | — | T | THIS IS Quantum Technology - Thales Group | Thales Group | |
| 96 | 48 | T | The Health Design Podcast | Moyez Jiwa | |
| 97 | 48 | J | Just a GP | Just a GP | |
| 98 | 33 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 99 | 49 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 100 | 53 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
