| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 5 | 2 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 5 | — |  | Astrum Space | Astrum | |
| 6 | 2 |  | Science Vs | Spotify Studios | |
| 6 | 1 | B | Boring History for Sleep | Velvet | |
| 7 | 5 |  | Unexplainable | Vox | |
| 9 | — |  | Planet Em | Emily McDonald | |
| 10 | — | I | Ideas of India | Mercatus Center at George Mason University | |
| 11 | 6 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 11 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 13 | — |  | Short Wave | NPR | |
| 13 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 13 | 15 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 14 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | 7 |  | BBC Inside Science | BBC Radio 4 | |
| 16 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 16 | — |  | Overheard at National Geographic | National Geographic | |
| 17 | 1 |  | The Life Scientific | BBC Radio 4 | |
| 18 | 4 |  | More or Less | BBC Radio 4 | |
| 18 | 16 |  | Let's Learn Everything! | Maximum Fun | |
| 19 | — |  | Science Weekly | The Guardian | |
| 21 | 3 |  | Discovery | BBC World Service | |
| 22 | — |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 23 | 3 |  | Speaking of Psychology | American Psychological Association | |
| 23 | 4 |  | You Are Not So Smart | You Are Not So Smart | |
| 24 | 1 |  | Babbage from The Economist | The Economist | |
| 27 | 10 |  | The Psychology Podcast | iHeartPodcasts | |
| 27 | — | S | Sage Sociology | Sage Publications | |
| 28 | 8 |  | The Quanta Podcast | Quanta Magazine | |
| 28 | 27 |  | EarthWise | Vivaan Mathur | |
| 30 | — |  | Curiosity Weekly | Discovery | |
| 31 | — |  | The Orthobullets Podcast | Orthobullets | |
| 32 | 3 |  | Living Planet | DW | |
| 32 | 12 |  | Drilled | Pushkin Industries | |
| 33 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 34 | 11 |  | The Future of Everything | Stanford Engineering | |
| 34 | — |  | Nature Podcast | Springer Nature Limited | |
| 35 | — | P | Philosophy | Cambridge University | |
| 36 | 1 | V | VoxTalks Economics | VoxTalks | |
| 38 | — |  | Chemistry Made Simple | Matthew Macariou | |
| 39 | 11 |  | Das Wissen | SWR | SWR | |
| 39 | — |  | Bringing Chemistry to Life | Thermo Fisher Scientific | |
| 40 | 40 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 40 | — |  | The Threshold | Foreign Policy | |
| 40 | 43 | S | Sher Khan | Aaj Tak Radio | |
| 41 | 18 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 41 | 67 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 41 | 33 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 42 | 15 |  | The Climate Question | BBC World Service | |
| 42 | — | Y | You only live once, but if you do it right, once is enough, get busy living or get busy dying...!! | Saagour | |
| 43 | — |  | Extraterrestrial | Parcast Network | |
| 43 | — | I | Information Theory | The Information Theory Podcast | |
| 44 | 1 | C | Conversations at the Perimeter | Perimeter Institute | |
| 44 | 133 |  | Physics World Weekly Podcast | Physics World | |
| 45 | — |  | CrowdScience | BBC World Service | |
| 46 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 46 | 7 |  | Bedtime Astronomy | Synthetic Universe | |
| 46 | — | N | New Books in Geography | Marshall Poe | |
| 47 | 5 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 47 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 49 | 87 | S | Self Improvement Beast | manjha beast | |
| 49 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 49 | 105 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 49 | 37 |  | Oncology Today with Dr Neil Love | Dr. Neil Love | |
| 49 | 11 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 50 | 36 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 50 | — |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 50 | — |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 51 | 31 |  | The world, the universe and us | New Scientist | |
| 51 | — |  | Unboxing AI: The Podcast for Computer Vision Engineers | Unboxing AI | |
| 51 | — | C | Chattering with iCatCare | International Cat Care | |
| 51 | 77 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 52 | — | R | Relaxing Music For Sleep And Stress Relief | AK Entertainments | |
| 52 | — | V | Veterinary Vertex | AVMA Journals | |
| 53 | 131 |  | Science Magazine Podcast | Science Magazine | |
| 53 | 38 |  | Pale Blue Pod | Multitude | |
| 53 | — |  | Vet Times Podcast | Veterinary Business Development Ltd | |
| 54 | — | A | Automated with Brian Heater | Brian Heater | |
| 54 | — | G | Geoeconomic Competition | Francesca Ghiretti | |
| 54 | — |  | Cool Worlds Podcast | coolworldslab | |
| 55 | — | T | Toxicologic Pathology & Veterinary Science | Sage Publications | |
| 56 | — | V | Veterinary Ramblings | Veterinary Ramblings | |
| 57 | — | W | What Is Life? | Carl Zimmer | |
| 57 | 38 | Ž | Žárovky | Český rozhlas | |
| 57 | — | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 58 | 27 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 58 | — |  | Biotech Hangout | Daphne Zohar, Josh Schimmer, Brad Loncar, Tim Opler & more | |
| 58 | — |  | Mysterious Universe | 8th Kind | |
| 58 | — |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 59 | — |  | The Science of Everything Podcast | James Fodor | |
| 59 | 32 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 60 | — | V | Voices of Mathematics | Mathematics Faculty, University of Cambridge | |
| 61 | 4 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 61 | — |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 62 | 36 |  | Scotland Outdoors | BBC Radio Scotland | |
| 62 | 15 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 62 | — | M | Medical Biochemistry | Ling Hwang | |
