| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Radiolab | WNYC Studios | |
| 3 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 12 |  | More or Less | BBC Radio 4 | |
| 6 | 12 |  | All In The Mind | ABC | |
| 7 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 8 | 1 | O | Our Changing World | RNZ | |
| 9 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 10 | 16 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 11 | 3 |  | Curious Cases | BBC Radio 4 | |
| 12 | 4 |  | Science Vs | Spotify Studios | |
| 13 | 3 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 15 | 7 |  | CrowdScience | BBC World Service | |
| 16 | 1 |  | Discovery | BBC World Service | |
| 17 | 2 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 18 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 19 | 8 |  | Science Weekly | The Guardian | |
| 20 | — | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 21 | 9 |  | Science In Action | BBC World Service | |
| 22 | 9 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 23 | 12 | E | Elemental | RNZ | |
| 24 | 5 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 25 | 4 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 26 | 10 |  | Science Friday | Science Friday and WNYC Studios | |
| 27 | 17 |  | The world, the universe and us | New Scientist | |
| 28 | 5 |  | Unexpected Elements | BBC World Service | |
| 29 | 50 |  | Let's Learn Everything! | Maximum Fun | |
| 30 | 129 | ![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 | |
| 31 | 103 |  | The Science Show | ABC | |
| 32 | 5 | O | Our Big Shot | Humanly Possible | |
| 33 | 5 | B | blurbs | Matt Ross | |
| 34 | — | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 35 | — |  | Origin Stories | The Leakey Foundation | |
| 36 | 11 |  | Unexplainable | Vox | |
| 37 | 3 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 38 | 8 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 39 | 12 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 40 | 14 |  | Universe Today Podcast | Fraser Cain | |
| 41 | — |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 42 | 12 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 43 | 14 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 44 | 11 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 45 | 21 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 46 | — | H | Healthcare Goes Digital | Impetus Digital | |
| 47 | — | E | EXPLORING HEALTHCARE INTEROPERABILITY | Podcast hl7 | |
| 48 | — | T | The Health Design Podcast | Moyez Jiwa | |
| 49 | — | J | Just a GP | Just a GP | |
| 50 | 30 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 51 | 30 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 52 | — |  | Quirks and Quarks | CBC | |
| 53 | 98 |  | The Plodcast | Our Media | |
| 54 | 138 | W | What The Duck?! | ABC | |
| 55 | 3 |  | The Michael Shermer Show | Michael Shermer | |
| 56 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 57 | 47 |  | Science Quickly | Scientific American | |
| 58 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 59 | 31 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 60 | 29 |  | Dr Karl Podcast | triplej | |
| 61 | 21 |  | New Books in Critical Theory | Marshall Poe | |
| 62 | 101 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 63 | 13 |  | Mysterious Universe | 8th Kind | |
| 64 | 22 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 65 | 117 |  | The Micah Hanks Program | Micah Hanks | |
| 66 | 27 |  | Short Wave | NPR | |
| 67 | 24 |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 68 | 57 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 69 | 9 | R | Rewilding In Action | Maureen Howard | |
| 70 | — | T | Tom Nelson | Thomas Nelson | |
| 71 | — | F | Full PreFrontal: Exposing the Mysteries of Executive Function | Sucheta Kamath | |
| 72 | 10 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 73 | — |  | Curiosity Weekly | Discovery | |
| 74 | 5 |  | Why Do We Do That? | BBC Radio 4 | |
| 75 | — |  | Razib Khan's Unsupervised Learning | Razib Khan | |
| 76 | — |  | EVSN: Escape Velocity Space News | Dr. Pamela Gay, Erik Madaus, Ally Pelphrey | |
| 77 | 29 |  | Slow Radio | BBC Radio 3 | |
| 78 | 31 |  | Overheard at National Geographic | National Geographic | |
| 79 | — | V | Voice of Tangaroa | RNZ | |
| 80 | — |  | Instant Genius | Our Media | |
| 81 | — |  | 聽起來很科學 | 台灣科學人股份有限公司 | |
| 82 | 8 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 83 | 34 | T | The International Security Podcast | International Security | |
| 84 | 29 |  | Nephilim Death Squad | TopLobsta Productions | |
| 85 | 32 |  | Ancient Aliens | PodcastOne | |
| 86 | 45 |  | The House of Pod | Kaveh MD | |
| 87 | 55 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 88 | 24 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 89 | 27 |  | The Quanta Podcast | Quanta Magazine | |
| 90 | 39 |  | That UFO Podcast | That UFO Podcast | |
| 91 | 96 | T | The ECTRIMS Podcast | The European Committee for Treatment and Research in Multiple Sclerosis | |
| 92 | 9 |  | Accidental Gods | Accidental Gods | |
| 93 | 60 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 94 | 35 |  | Others From Another Mother | Dan Cleary and Chad Shlosser | |
| 95 | — |  | Podcast UFO | Martin Willis | |
| 96 | 31 |  | Somewhere in the Skies | SpectreVision Radio | |
| 97 | 8 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 98 | 35 | M | MissPerceived | Audiocrafty | |
| 99 | 31 | N | New Books in Psychology | Marshall Poe | |
| 100 | 24 | D | DOC Sounds of Science Podcast | Department of Conservation | |
