| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — |  | Science Vs | Spotify Studios | |
| 5 | 1 |  | Unexplainable | Vox | |
| 6 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 12 |  | BBC Inside Science | BBC Radio 4 | |
| 7 | — |  | Speaking of Psychology | American Psychological Association | |
| 7 | 1 |  | Planet Em | Emily McDonald | |
| 8 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 8 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 9 | — |  | Babbage from The Economist | The Economist | |
| 10 | — |  | Discovery | BBC World Service | |
| 11 | — |  | Science Weekly | The Guardian | |
| 12 | 9 |  | Science Friday | Science Friday and WNYC Studios | |
| 12 | 1 |  | Short Wave | NPR | |
| 12 | — | B | Boring History for Sleep | Velvet | |
| 13 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 13 | 9 |  | Astrum Space | Astrum | |
| 14 | — |  | Science Quickly | Scientific American | |
| 14 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 15 | 9 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 16 | 127 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 17 | — |  | Curious Cases | BBC Radio 4 | |
| 17 | 35 |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 18 | 9 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 20 | 5 |  | Nature Podcast | Springer Nature Limited | |
| 20 | 4 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 21 | — |  | All In The Mind | ABC | |
| 24 | 9 |  | Making Sense with Sam Harris | Sam Harris | |
| 24 | 8 |  | EarthWise | Vivaan Mathur | |
| 24 | — | I | Ideas of India | Mercatus Center at George Mason University | |
| 25 | 14 |  | Overheard at National Geographic | National Geographic | |
| 27 | — |  | CrowdScience | BBC World Service | |
| 28 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 28 | 86 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 29 | — |  | More or Less | BBC Radio 4 | |
| 30 | — |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 31 | 7 |  | The Life Scientific | BBC Radio 4 | |
| 31 | 43 |  | Instant Genius | Our Media | |
| 31 | 4 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 32 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 33 | — |  | Curiosity Weekly | Discovery | |
| 34 | 40 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 35 | 47 |  | Let's Learn Everything! | Maximum Fun | |
| 35 | 6 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 37 | 56 |  | The world, the universe and us | New Scientist | |
| 38 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 38 | 16 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 39 | 3 |  | Science Magazine Podcast | Science Magazine | |
| 39 | — |  | The Science of Birds | Ivan Phillipsen | |
| 39 | 52 |  | Big Brains | University of Chicago Podcast Network | |
| 40 | 56 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 40 | 16 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 42 | 20 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 42 | — |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 43 | 3 |  | Unexpected Elements | BBC World Service | |
| 43 | 2 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 43 | 41 |  | Bedtime Astronomy | Synthetic Universe | |
| 44 | — |  | Deep Dive: Space Mysteries Unveiled | Graviton Space Facts | |
| 44 | 101 |  | BioCentury This Week | BioCentury | |
| 45 | 6 |  | SciShow Tangents | Complexly | |
| 45 | 108 | D | Daily Paper Cast | Jingwen Liang, Gengyu Wang | |
| 48 | — | O | Orbital Path | PRX | |
| 49 | — | T | The Neuro Times | The Neuro Times | |
| 49 | — | ग | गोष्ट दुनियेची | BBC Marathi Audio | |
| 50 | 84 |  | The Water Data Podcast | WELL Labs | |
| 50 | 21 |  | The Michael Shermer Show | Michael Shermer | |
| 51 | — |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 51 | 63 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 52 | 5 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 52 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 53 | — |  | The 365 Days of Astronomy | 365DaysOfAstronomy.org | |
| 54 | — |  | Climate One | Climate One from The Commonwealth Club | |
| 54 | 56 |  | Cool Worlds Podcast | coolworldslab | |
| 55 | 27 |  | This Week in Cardiology | Medscape | |
| 55 | — | P | Planetary Radio: Book Club Edition | The Planetary Society | |
| 55 | — | G | Game Theory | Game Theory | |
| 56 | — |  | ASTRO Journals | Various | |
| 56 | 109 |  | The Optispan Podcast with Matt Kaeberlein | Optispan | |
| 58 | — |  | Aha! With JAHA | JAHA – Journal of the American Heart Association | |
| 59 | 2 | S | Smart Biotech Scientist | Master Bioprocess CMC Development, Biologics Manufacturing & Scale-up, Cell Culture Innovation | David Brühlmann - CMC Development Leader, Biotech C-level Advisor, Business Strategist | |
| 59 | — |  | The Science of Everything Podcast | James Fodor | |
| 60 | 20 |  | The Quanta Podcast | Quanta Magazine | |
| 60 | 41 |  | The Pie: An Economics Podcast | Becker Friedman Institute at UChicago | |
| 60 | — | C | Conversations on the Pharmaceutical Industry | Reading Scientific Services Ltd | |
| 60 | — | T | The ITER Podcast | ITER Organization | |
| 60 | — | D | Deem Audio | Future Feelings with Radha Mistry | Deem Audio | |
| 61 | 10 |  | The Biochar Podcast | ANZBIG | |
| 61 | 137 | E | Experimental History | Adam Mastroianni | |
| 62 | 4 |  | The Biochar Show | The Biochar Show | |
| 63 | — | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 63 | 43 |  | A Question of Science | The Francis Crick Institute | |
| 64 | 5 | P | PIIE Insider LIVE | Peterson Institute for International Economics | |
| 64 | — | S | Surprisingly Brilliant | Seeker | |
| 65 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 65 | 5 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 66 | — | A | AP Cardiology | Andrew Perry | |
| 68 | — | B | Broomedocs POdcast | Dr Casey Parker | |
| 69 | 8 | T | The Engineering Commons Podcast | The Engineering Commons Podcast | |
| 69 | 28 |  | La Science, CQFD | France Culture | |
