| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 2 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | Radiolab | WNYC Studios | |
| 4 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 3 |  | Unexplainable | Vox | |
| 6 | 3 |  | More or Less | BBC Radio 4 | |
| 7 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 8 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 2 |  | Science Vs | Spotify Studios | |
| 10 | 24 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 11 | 17 |  | Discovery | BBC World Service | |
| 12 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 13 | 8 |  | Speaking of Psychology | American Psychological Association | |
| 14 | 47 | S | Students of Surgery | Martin Brand | |
| 15 | 3 |  | All In The Mind | ABC | |
| 16 | — |  | TheThinkingAtheist | The Thinking Atheist | |
| 17 | 10 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 18 | 26 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 19 | 8 |  | Curious Cases | BBC Radio 4 | |
| 20 | 18 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 21 | 48 |  | Science Friday | Science Friday and WNYC Studios | |
| 22 | 44 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 23 | 9 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 24 | 12 |  | New Books in Critical Theory | Marshall Poe | |
| 25 | 2 | B | Boring History for Sleep | Velvet | |
| 26 | 13 |  | CrowdScience | BBC World Service | |
| 27 | 58 |  | The Psychology Podcast | iHeartPodcasts | |
| 28 | 20 |  | Short Wave | NPR | |
| 29 | 86 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 30 | 11 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 31 | 99 |  | Universe Today Podcast | Fraser Cain | |
| 32 | 10 |  | Regenerative Agriculture Podcast | John Kempf | |
| 33 | — |  | Deep Insights with Mining Review Africa | Mining Review Africa | |
| 34 | 18 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 35 | 130 |  | The Science Show | ABC | |
| 36 | — | M | Many Minds | Kensy Cooperrider – Diverse Intelligences Summer Institute | |
| 37 | — |  | The Electrochemistry Podcast | Pine Research | |
| 38 | — | C | Circulation on the Run | Greg Hundley, MD and Peder Myhre, MD, PhD | |
| 39 | — |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 40 | 23 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 41 | — |  | Geology On The Rocks | James Hobbs | |
| 42 | — |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 43 | — |  | It's Sedimentary, My Dear: A Geology Podcast | Ellen & Jane | |
| 44 | — | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 45 | — | T | The Abnormal Psychologist | Dr. Colby Taylor | |
| 46 | — |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 47 | — | N | New Books in Sociology | New Books Network | |
| 48 | — | S | Solar Maverick Podcast | Benoy Thanjan | |
| 49 | — | N | New Books in Economics | Marshall Poe | |
| 50 | — | I | IFT Sci Dish | Institute of Food Technologists | |
| 51 | — | G | Grow the future | Yara Agronomy Team | |
| 52 | — | 3 | 365 Days of Astronomy - Weekly Edition | Fraser Cain & Dr. Pamela L. Gay | |
| 53 | — | P | Paramount Importance | Kurt Krispyn | |
| 54 | 34 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 55 | 31 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 56 | 24 |  | The Life Scientific | BBC Radio 4 | |
| 57 | 32 | T | This Wild Life Conservation Podcast | Amy Turner | |
| 58 | 32 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 59 | 28 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 60 | 31 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 61 | 21 |  | The Quanta Podcast | Quanta Magazine | |
| 62 | 66 |  | Living Planet | DW | |
| 63 | 48 |  | Babbage from The Economist | The Economist | |
| 64 | 34 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 65 | 23 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 66 | 31 |  | Blurry Creatures | Blurry Creatures | |
| 67 | 20 |  | SciShow Tangents | Complexly | |
| 68 | 13 |  | Head Shepherd | Mark Ferguson | |
| 69 | 13 |  | COMPLEXITY | Santa Fe Institute | |
| 70 | 18 |  | Bedtime Astronomy | Synthetic Universe | |
| 71 | 22 |  | Let's Learn Everything! | Maximum Fun | |
| 72 | 36 |  | Sustainability, Climate Change, Renewable Energy, Politics, Activism, Biodiversity, Carbon Footprint, Wildlife, Regenerative | Mia Funk | |
| 73 | 36 |  | The Composter Podcast | Jayne Merner | |
| 74 | 28 |  | The Episodic Table of Elements | T. R. Appleton | |
| 75 | 34 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 76 | 37 | W | What The Duck?! | ABC | |
| 77 | 34 |  | The Climate Question | BBC World Service | |
| 78 | 33 |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 79 | 46 |  | When Science Finds a Way | Wellcome | |
| 80 | 29 |  | Chemistry in its element | Chemistry World | |
| 81 | 28 | M | Mathematics Simplified | Anjali Sharma | |
| 82 | 28 |  | Rare Earth | BBC Radio 4 | |
| 83 | 26 |  | From Concept to Medicine - A Comprehensive Drug Development Journey | Jim Mitchell | |
| 84 | 26 | V | Voyage to the Wild | Ocean Roamer | |
| 85 | 87 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 86 | 27 |  | Mongabay Newscast | Mongabay.com | |
| 87 | 27 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 88 | 26 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 89 | 25 | G | Green Noise | CapeNature | |
| 90 | 27 |  | Jung Chicago Radio | C. G. Jung Institute of Chicago | |
| 91 | 23 |  | De Universiteit van Nederland Podcast | Universiteit van Nederland | |
| 92 | 21 |  | The Science of Everything Podcast | James Fodor | |
| 93 | 23 | T | The Vertue Podcast | Shona Vertue | |
| 94 | 32 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 95 | 16 | F | Food Safety Matters | Food Safety Magazine | |
| 96 | 36 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 97 | 20 |  | Outside/In | NHPR | |
| 98 | 10 |  | Origin Stories | The Leakey Foundation | |
| 99 | 25 |  | Science with Sabine | Sabine Hossenfelder | |
| 100 | 14 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
