| 1 | 26 |  | Science In Action | BBC World Service | |
| 2 | 1 |  | Curious Cases | BBC Radio 4 | |
| 3 | 7 |  | Instant Genius | Our Media | |
| 4 | 65 | I | It's a Very Exciting Time | Scott Vandehey & Chuck Lauer Vose | |
| 5 | — | S | Silicon Valley Astronomy Lectures | Silicon Valley Astronomy Lectures | |
| 6 | 4 |  | Deep Dive: MH370, Remastered | Jeff Wise | |
| 7 | 4 |  | Science Weekly | The Guardian | |
| 8 | 4 |  | Skeptics with a K | Skeptic Media Limited | |
| 9 | 4 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 10 | 4 | O | One World, One Health | One Health Trust | |
| 11 | 4 | W | Wild Tales | Nature Podcast | National Trust | |
| 12 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 13 | 5 |  | The Psychology Podcast | iHeartPodcasts | |
| 14 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 15 | 3 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 16 | 2 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 17 | 6 |  | Radiolab | WNYC Studios | |
| 18 | 1 |  | Robinson's Podcast | Robinson Erhardt | |
| 19 | 2 |  | BBC Inside Science | BBC Radio 4 | |
| 20 | 2 |  | Discovery | BBC World Service | |
| 21 | 1 |  | Skeptoid | Brian Dunning | |
| 22 | 1 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 23 | 8 |  | Making Sense with Sam Harris | Sam Harris | |
| 24 | 1 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 25 | 3 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 26 | 10 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 27 | 30 | V | Von Ráðgjöf - Lausnin Hlaðvarp | Von ráðgjöf - Lausnin hlaðvarp | |
| 28 | 4 | ![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 | |
| 29 | — |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 30 | 2 |  | Scotland Outdoors | BBC Radio Scotland | |
| 31 | 2 | B | Best of Natural History Radio | BBC Radio 4 | |
| 32 | 2 | T | The Natural History Podcast | James Mills | |
| 33 | 5 |  | Unexplainable | Vox | |
| 34 | 9 |  | More or Less | BBC Radio 4 | |
| 35 | — | R | Rain and Thunder Storms Podcast | Natural Podcasts | |
| 36 | 118 |  | Mysterious Universe | 8th Kind | |
| 37 | 24 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 38 | 17 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 39 | 15 |  | Science Vs | Spotify Studios | |
| 40 | — |  | Nature Podcast | Springer Nature Limited | |
| 41 | — |  | Frankly Speaking About Family Medicine | Pri-Med | |
| 42 | 16 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 43 | 3 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 44 | 117 |  | UFO Chronicles Podcast | Nik Hunter | |
| 45 | 76 |  | CrowdScience | BBC World Service | |
| 46 | 110 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 47 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 48 | — |  | The Common Descent Podcast | Common Descent | |
| 49 | — |  | Unbiased Science | @unbiasedscipod | |
| 50 | 19 |  | Unexpected Elements | BBC World Service | |
| 51 | 72 |  | Short Wave | NPR | |
| 52 | 95 | D | Dagbók Urriða | Ólafur Guðbjartsson | |
| 53 | 98 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 54 | — | V | VoxTalks Economics | VoxTalks | |
| 55 | 22 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 56 | 19 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 57 | 8 | N | Nauka To Lubię | Tomasz Rożek | |
| 58 | 10 |  | Cool Worlds Podcast | coolworldslab | |
| 59 | — | E | Earth Porn | Earth Porn | |
| 60 | 49 |  | All In The Mind | ABC | |
| 61 | 73 |  | The Michael Shermer Show | Michael Shermer | |
| 62 | 96 | 超 | 超リアルな行動心理学 | FERMONDO | |
| 63 | — |  | Your Brain On Climate | Dave Powell | |
| 64 | 30 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 65 | 30 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 66 | 30 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 67 | — |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 68 | — |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 69 | — |  | The Micah Hanks Program | Micah Hanks | |
| 70 | 109 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 71 | — | C | Chasing Consciousness | Freddy Drabble | |
| 72 | — |  | Regenerative Ag Stories on the Grazing Grass Podcast | Grazing Grass | |
| 73 | — |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 74 | 35 |  | Safety Third | Safety Third | |
| 75 | 34 |  | The Behavioral Observations Podcast with Matt Cicoria | Matt Cicoria | |
| 76 | 14 | W | Walkabout the Galaxy | Joshua Colwell, Adrienne Dove, and James Cooney | |
| 77 | 35 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 78 | 35 |  | Science Friday | Science Friday and WNYC Studios | |
| 79 | 35 |  | This Week in Virology | Vincent Racaniello | |
| 80 | 45 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 81 | 36 |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 82 | 55 |  | Quirks and Quarks | CBC | |
| 83 | 36 |  | World’s Wildest: Tales of Earth’s Most Extreme Creatures | Maya Higa & Connor O'Brien | |
| 84 | 35 |  | Nerdland Podcast | Lieven Scheire | |
| 85 | 35 |  | EKKERT RUSL | EKKERT RUSL - Lena og Margrét | |
| 86 | 12 |  | The Science of Birds | Ivan Phillipsen | |
| 87 | 16 |  | Speaking of Psychology | American Psychological Association | |
| 88 | 36 |  | Dumma Människor | Acast - Lina Thomsgård och Björn Hedensjö | |
| 89 | 36 | F | Farming Today | BBC Radio 4 | |
| 90 | 36 |  | The Quanta Podcast | Quanta Magazine | |
| 91 | 35 |  | RumSnak | Tina Ibsen + Anders Høeg Nissen | |
| 92 | 34 | S | Stimulating Brains | Andreas Horn | |
| 93 | 42 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 94 | 59 |  | Physics World Weekly Podcast | Physics World | |
| 95 | 65 |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 96 | 9 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 97 | 37 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 98 | 28 |  | ScienceStuff | iHeartPodcasts | |
| 99 | 36 | 2 | 24/7 | Beggi Ólafs | |
| 100 | 36 |  | Invisibilia | NPR | |
