| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | — |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 2 |  | Radiolab | WNYC Studios | |
| 5 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | — |  | More or Less | BBC Radio 4 | |
| 7 | 2 |  | All In The Mind | ABC | |
| 8 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 10 | 3 |  | Science Vs | Spotify Studios | |
| 11 | — |  | Science Weekly | The Guardian | |
| 12 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 13 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 14 | 3 | B | Boring History for Sleep | Velvet | |
| 15 | 50 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 16 | 2 |  | Science Friction | ABC | |
| 17 | 11 |  | Alive Again | iHeartPodcasts | |
| 18 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 19 | 16 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 20 | 23 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 21 | 9 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 22 | 102 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 23 | 16 |  | Rare Earth | BBC Radio 4 | |
| 24 | 2 |  | Unexplainable | Vox | |
| 25 | 2 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 26 | 11 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 27 | — |  | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 28 | 18 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 29 | 11 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 30 | 45 | T | The Seed Pod. | Sian Crowley | |
| 31 | 73 | T | The New Zealand General Practice Podcast | Dr Jo Scott-Jones | |
| 32 | — |  | Need To Know | Bryce Zabel | |
| 33 | 49 |  | Overheard at National Geographic | National Geographic | |
| 34 | 47 |  | The Science of Birds | Ivan Phillipsen | |
| 35 | 19 |  | CrowdScience | BBC World Service | |
| 36 | 56 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 37 | 14 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 38 | 18 | O | Our Changing World | RNZ | |
| 39 | 15 |  | The world, the universe and us | New Scientist | |
| 40 | 14 |  | The Psychology Podcast | iHeartPodcasts | |
| 41 | 153 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 42 | 83 | F | Fight for the Wild | RNZ | |
| 43 | 24 |  | Science In Action | BBC World Service | |
| 44 | 107 | T | Tom Nelson | Thomas Nelson | |
| 45 | 133 |  | Blurry Creatures | Blurry Creatures | |
| 46 | 21 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 47 | 15 |  | Science Magazine Podcast | Science Magazine | |
| 48 | 137 | C | Cut the Crop! | Foundation for Arable Research (NZ) | |
| 49 | 28 |  | Scotland Outdoors | BBC Radio Scotland | |
| 50 | 21 |  | Unexpected Elements | BBC World Service | |
| 51 | 20 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 52 | 17 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 53 | 20 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 54 | — |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 55 | 119 |  | Drilled | Pushkin Industries | |
| 56 | 143 |  | Robinson's Podcast | Robinson Erhardt | |
| 57 | — |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 58 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 59 | — | N | New Books in Science, Technology, and Society | New Books Network | |
| 60 | — | T | The DOC Podcast | DeLuke Orthodontic Coaching, LLC | |
| 61 | — | N | Nature Sounds Tasmania | Nature Sounds Tasmania | |
| 62 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 63 | — | T | The Social Work Stories Podcast | The Social Work Stories Team | |
| 64 | — |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 65 | — |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 66 | — |  | ScienceStuff | iHeartPodcasts | |
| 67 | — | F | F.A.Z. Wissen | Frankfurter Allgemeine Zeitung | |
| 68 | — |  | Paranormal Portal | Brent Thomas | |
| 69 | — |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 70 | — | S | Science, Spoken | WIRED | |
| 71 | — | C | Coffee Literature Review | Christopher Hendon, Doran Pennington, and a rotating guest. | |
| 72 | 38 |  | Universe Today Podcast | Fraser Cain | |
| 73 | 37 | P | Planet A - Talks on Climate Change | Danish Ministry of Climate, Energy and Utilities | |
| 74 | 36 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 75 | 30 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 76 | 36 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 77 | 35 |  | Taboo Science | Ashley Hamer Pritchard | |
| 78 | 34 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 79 | — | F | Farming Today | BBC Radio 4 | |
| 80 | 39 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 81 | 21 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 82 | 35 |  | Nature Podcast | Springer Nature Limited | |
| 83 | 35 |  | That UFO Podcast | That UFO Podcast | |
| 84 | 43 |  | The Science Show | ABC | |
| 85 | 12 |  | Head Shepherd | Mark Ferguson | |
| 86 | 1 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 87 | 32 |  | UAP Files Podcast | UAP Files Podcast | |
| 88 | 21 |  | The Climate Question | BBC World Service | |
| 89 | 38 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 90 | 38 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 91 | — |  | EverydaySpy Podcast | Andrew Bustamante | |
| 92 | 43 |  | Get Out Alive | Ashley Bray | |
| 93 | — | I | Into The Paranormal, Podcast With Tony Brueski | Real Story Media | |
| 94 | 44 | B | Breakthrough Broadcast | Drew Reck | |
| 95 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 96 | 35 | R | Rebel Economics with Dr. Steve Keen | Dr. Steve Keen | |
| 97 | 43 | W | Wild Tales | Nature Podcast | National Trust | |
| 98 | 40 |  | World’s Wildest: Tales of Earth’s Most Extreme Creatures | Maya Higa & Connor O'Brien | |
| 99 | 43 | O | Océanos de Ciencia - Cienciaes.com | cienciaes.com | |
| 100 | 41 |  | Quarks Daily | Quarks | |
