| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 1 |  | Radiolab | WNYC Studios | |
| 5 | 2 |  | More or Less | BBC Radio 4 | |
| 6 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 1 |  | All In The Mind | ABC | |
| 8 | 2 | B | Boring History for Sleep | Velvet | |
| 9 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 10 | 1 |  | Curious Cases | BBC Radio 4 | |
| 11 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 12 | 18 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 13 | 10 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 14 | 7 |  | Unexplainable | Vox | |
| 15 | 178 |  | Need To Know | Bryce Zabel | |
| 16 | 10 | T | The Al & Juddy Show | Agricom | |
| 17 | 6 |  | Giant Leap with Taylor Wilson | Giant Leap | |
| 18 | 5 |  | Discovery | BBC World Service | |
| 19 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 20 | 8 | W | What The Duck?! | ABC | |
| 21 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 22 | 23 |  | The Psychology Podcast | iHeartPodcasts | |
| 23 | 20 | B | Because Why?! The Science and Society Pod. | Brianne West | |
| 24 | 6 | G | Goodfellow Unit | The Goodfellow Unit (University of Auckland) | |
| 25 | 8 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 26 | 6 |  | The Life Scientific | BBC Radio 4 | |
| 27 | 76 |  | Babbage from The Economist | The Economist | |
| 28 | 6 |  | Science Vs | Spotify Studios | |
| 29 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 30 | 65 | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 31 | 102 |  | Origin Stories | The Leakey Foundation | |
| 32 | 13 | O | Our Changing World | RNZ | |
| 33 | 4 |  | Science Weekly | The Guardian | |
| 34 | 10 |  | The Science Show | ABC | |
| 35 | 78 |  | Unknowns | OER Project | |
| 36 | — |  | Head Shepherd | Mark Ferguson | |
| 37 | 83 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 38 | 11 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 39 | 14 |  | CrowdScience | BBC World Service | |
| 40 | 8 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 41 | 10 |  | The Climate Question | BBC World Service | |
| 42 | 157 |  | 聽起來很科學 | 台灣科學人股份有限公司 | |
| 43 | 149 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 44 | 31 |  | Blurry Creatures | Blurry Creatures | |
| 45 | — | R | Rewilding In Action | Maureen Howard | |
| 46 | — | D | Deep Dives With Sharks | Alex Humphreys | |
| 47 | — | 观 | 观念的跃升：20万年人类思想史 枪炮病菌与钢铁 | 多云下的蛋 | |
| 48 | — |  | People Helping Nature Podcast | Conservation Amplified | |
| 49 | — | A | Addressing Alopecia Areata | medthority | |
| 50 | — |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 51 | — |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 52 | — |  | Marine Biology in 5 Minutes | Emilie Colgan | |
| 53 | — |  | Hard Drugs | Saloni Dattani & Jacob Trefethen | |
| 54 | — | K | KickBack - The Global Anticorruption Podcast | KickBack | |
| 55 | 20 |  | Skeptoid | Brian Dunning | |
| 56 | 19 |  | Speaking of Psychology | American Psychological Association | |
| 57 | 24 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 58 | 24 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 59 | 19 |  | Overheard at National Geographic | National Geographic | |
| 60 | 21 |  | Astrum Space | Astrum | |
| 61 | 25 |  | Science In Action | BBC World Service | |
| 62 | 21 |  | The Common Descent Podcast | Common Descent | |
| 63 | 21 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 64 | — |  | MonsterTalk | Blake Smith | |
| 65 | 21 |  | The Michael Shermer Show | Michael Shermer | |
| 66 | 20 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 67 | 18 |  | Scotland Outdoors | BBC Radio Scotland | |
| 68 | — |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 69 | 16 |  | Mythfits | Pionaire Podcasting | |
| 70 | 20 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 71 | 24 |  | Eons: Surviving Deep Time | PBS | |
| 72 | 17 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 73 | 19 |  | Cool Worlds Podcast | coolworldslab | |
| 74 | 18 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 75 | 27 |  | Species | mackenmurphy.org | |
| 76 | 19 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 77 | 25 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 78 | — |  | Energy For Success Podcast | Dr. Barry Morguelan | |
| 79 | 21 | H | How I Wrote This | Brett Gordon and Karen Winterich | |
| 80 | — | T | The Dairy Trail | Agriland Media | |
| 81 | 22 | F | First Principles | First Principles Podcast | |
| 82 | 22 | F | Field, Lab, Earth | ASA, CSSA, SSSA | |
| 83 | 22 | S | Strange New Worlds: A Science & Star Trek Podcast | Michael L. Wong | |
| 84 | 19 |  | Let's Learn Everything! | Maximum Fun | |
| 85 | 13 |  | The world, the universe and us | New Scientist | |
| 86 | 35 |  | Unexpected Elements | BBC World Service | |
| 87 | 17 | ![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 | |
| 88 | 22 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 89 | 21 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 90 | 26 |  | Instant Genius | Our Media | |
| 91 | 28 | T | The Psychosphere | Melanie Challenger | |
| 92 | 54 |  | This Week in Cardiology | Medscape | |
| 93 | 20 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 94 | 25 |  | The Plodcast | Our Media | |
| 95 | 24 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 96 | 29 | T | The Vertue Podcast | Shona Vertue | |
| 97 | 18 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 98 | 26 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 99 | 23 |  | Science Magazine Podcast | Science Magazine | |
| 100 | 3 |  | Short Wave | NPR | |
