| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 5 | — |  | Astrum Space | Astrum | |
| 5 | 1 | B | Boring History for Sleep | Velvet | |
| 6 | — |  | Science Vs | Spotify Studios | |
| 6 | 1 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 7 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 3 | I | Ideas of India | Mercatus Center at George Mason University | |
| 10 | 3 |  | Unexplainable | Vox | |
| 11 | 8 |  | Science Weekly | The Guardian | |
| 11 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 11 | 35 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 12 | 21 |  | Science Friday | Science Friday and WNYC Studios | |
| 12 | 6 |  | More or Less | BBC Radio 4 | |
| 13 | 4 |  | Planet Em | Emily McDonald | |
| 14 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 14 | 77 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 15 | 2 |  | Short Wave | NPR | |
| 15 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 16 | — |  | BBC Inside Science | BBC Radio 4 | |
| 17 | 23 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 18 | 3 |  | Discovery | BBC World Service | |
| 18 | — |  | Let's Learn Everything! | Maximum Fun | |
| 20 | 3 |  | The Life Scientific | BBC Radio 4 | |
| 21 | 3 |  | Babbage from The Economist | The Economist | |
| 21 | 8 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 22 | 5 |  | The Psychology Podcast | iHeartPodcasts | |
| 23 | — |  | Speaking of Psychology | American Psychological Association | |
| 24 | 4 |  | The Quanta Podcast | Quanta Magazine | |
| 26 | 10 |  | Overheard at National Geographic | National Geographic | |
| 27 | 7 |  | Nature Podcast | Springer Nature Limited | |
| 27 | 1 |  | EarthWise | Vivaan Mathur | |
| 31 | 10 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 32 | 18 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 32 | 52 |  | This Week in Cardiology | Medscape | |
| 33 | 10 |  | You Are Not So Smart | You Are Not So Smart | |
| 33 | 25 |  | Mysterious Universe | 8th Kind | |
| 34 | 7 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 35 | 18 |  | Science Magazine Podcast | Science Magazine | |
| 35 | 48 |  | Curious Cases | BBC Radio 4 | |
| 36 | 2 |  | The Future of Everything | Stanford Engineering | |
| 36 | 14 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 37 | 34 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 37 | 7 |  | Physics World Weekly Podcast | Physics World | |
| 38 | 8 |  | Curiosity Weekly | Discovery | |
| 39 | 19 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 39 | 6 |  | CrowdScience | BBC World Service | |
| 40 | 8 |  | Living Planet | DW | |
| 40 | 59 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 41 | 5 |  | Bedtime Astronomy | Synthetic Universe | |
| 43 | 4 |  | Das Wissen | SWR | SWR | |
| 43 | 8 | P | Philosophy | Cambridge University | |
| 44 | 3 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 45 | 13 |  | Drilled | Pushkin Industries | |
| 45 | 17 | M | Medical Biochemistry | Ling Hwang | |
| 46 | 58 |  | All In The Mind | ABC | |
| 46 | 20 | E | Everyday Neuro: Psychology and Neuroscience Podcast | Dr Janine Cooper: Cognitive Psychologist, Neuroscientist, Neuropsychology researcher. | |
| 47 | 3 |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 47 | 25 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 48 | 57 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 48 | 43 |  | Unexpected Elements | BBC World Service | |
| 48 | 1 |  | Oncology Today with Dr Neil Love | Dr. Neil Love | |
| 48 | 8 | S | Sher Khan | Aaj Tak Radio | |
| 49 | 83 | M | My Favorite Theorem | Kevin Knudson & Evelyn Lamb | |
| 49 | 13 | V | VoxTalks Economics | VoxTalks | |
| 50 | 98 |  | The Behavioral Design Podcast | Samuel Salzer and Aline Holzwarth | |
| 51 | 20 |  | The Orthobullets Podcast | Orthobullets | |
| 55 | — |  | Great Mysteries of Physics | The Conversation | |
| 56 | 6 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 56 | 57 |  | The Adventurer's | TheAdventurers | |
| 59 | 85 | H | Human Behavioral Biology | Robert Sapolsky | |
| 60 | 64 |  | The Michael Shermer Show | Michael Shermer | |
| 60 | 33 | S | Sage Sociology | Sage Publications | |
| 60 | 55 |  | Ancient Aliens | PodcastOne | |
| 61 | — | T | The Rearview | The Hindu | |
| 61 | 95 |  | RCGP clinical innovation and research podcast | RCGP Podcast | |
| 62 | 69 |  | Digging Deeper, The Crystal Case Studies Podcast | Emily Coulter | The Crystal Geologist | |
| 63 | 14 | S | Self Improvement Beast | manjha beast | |
| 63 | 10 |  | Pale Blue Pod | Multitude | |
| 65 | — |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 66 | 17 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 68 | 25 | I | Information Theory | The Information Theory Podcast | |
| 69 | 45 |  | TED Talks Science and Medicine | TED | |
| 70 | — |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 71 | — | 9 | 99 Topics for the CCFP | Dr. Brady Bouchard | |
| 71 | 25 | N | New Books in Geography | Marshall Poe | |
| 71 | 103 |  | American Journal of Ophthalmology Podcasts Collection | Various | |
| 72 | 20 |  | Mind & Life | Mind & Life Institute | |
| 73 | — |  | Blurry Creatures | Blurry Creatures | |
| 74 | 48 |  | This Week in Neuroscience | Vincent Racaniello | |
| 75 | — |  | Flash Forward | Rose Eveleth | |
| 76 | 55 |  | This Week in Virology | Vincent Racaniello | |
| 76 | 40 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 76 | — | R | Research Radio | Economic and Political Weekly | |
| 77 | 42 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 77 | — |  | SunCast | Nico Johnson | |
| 77 | 26 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 78 | 29 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
