| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 3 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 4 | 1 |  | Radiolab | WNYC Studios | |
| 5 | — |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 2 |  | Unexplainable | Vox | |
| 7 | 13 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 20 |  | Science Vs | Spotify Studios | |
| 9 | 2 |  | The Psychology Podcast | iHeartPodcasts | |
| 10 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 11 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 12 | — | I | Ideas of India | Mercatus Center at George Mason University | |
| 13 | 95 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 14 | 15 |  | You Are Not So Smart | You Are Not So Smart | |
| 15 | 4 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 16 | 80 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 17 | 8 |  | Overheard at National Geographic | National Geographic | |
| 18 | — |  | Night Science | Itai Yanai & Martin Lercher | |
| 19 | 5 |  | Short Wave | NPR | |
| 20 | 5 | P | Physics World Stories Podcast | Physics World | |
| 21 | 58 | P | Psychology | Yale School of Medicine | |
| 22 | 12 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 23 | 10 |  | The Orthobullets Podcast | Orthobullets | |
| 24 | 9 |  | Babbage from The Economist | The Economist | |
| 25 | 8 |  | Speaking of Psychology | American Psychological Association | |
| 26 | 37 |  | Discovery | BBC World Service | |
| 27 | 11 |  | The Quanta Podcast | Quanta Magazine | |
| 28 | 7 |  | Science Friday | Science Friday and WNYC Studios | |
| 29 | 35 |  | The Hydrogen Podcast | Paul Rodden | |
| 30 | 3 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 31 | 13 |  | All In The Mind | ABC | |
| 32 | 71 |  | How We're Wired | The Bertarelli Foundation | |
| 33 | 109 |  | TED Talks Science and Medicine | TED | |
| 34 | 34 |  | Science Weekly | The Guardian | |
| 35 | 89 |  | Origin Stories | The Leakey Foundation | |
| 36 | 12 | B | Boring History for Sleep | Velvet | |
| 37 | 106 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 38 | 75 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 39 | 80 |  | Astrum Space | Astrum | |
| 40 | 98 |  | This Week in Neuroscience | Vincent Racaniello | |
| 41 | 143 | P | PharmaSource Podcast | Life Science Networks | |
| 42 | — | B | Biology in Numbers | The Society for Mathematical Biology | |
| 43 | 21 |  | CrowdScience | BBC World Service | |
| 44 | — | O | Otolaryngologic Clinics (Elsevier) | Otolaryngologic Clinics | |
| 45 | — |  | Scotland Outdoors | BBC Radio Scotland | |
| 46 | 11 |  | The Episodic Table of Elements | T. R. Appleton | |
| 47 | 24 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 48 | — |  | Great Mysteries of Physics | The Conversation | |
| 49 | — |  | Nature India Podcast | Nature India | |
| 50 | 127 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 51 | — | D | DOC Sounds of Science Podcast | Department of Conservation | |
| 52 | — | N | Naked Scientists, In Short Special Editions Podcast | The Naked Scientists | |
| 53 | 24 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 54 | 24 | V | VoxTalks Economics | VoxTalks | |
| 55 | 29 | T | The AI Research Deep Dive | The AI Research Deep Dive | |
| 56 | 26 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 57 | 26 | T | The Practical Dermatology Podcast | Practical Dermatology | |
| 58 | 25 |  | Science In Action | BBC World Service | |
| 59 | 15 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 60 | 28 | T | The Rearview | The Hindu | |
| 61 | 27 |  | The Science of Everything Podcast | James Fodor | |
| 62 | 27 | T | The International Security Podcast | International Security | |
| 63 | 27 |  | The Future of Everything | Stanford Engineering | |
| 64 | 26 |  | Curious Cases | BBC Radio 4 | |
| 65 | 89 |  | The Climate Question | BBC World Service | |
| 66 | 29 | I | Inquiring Minds | Indre Viskontas | |
| 67 | 16 |  | Ask MIT Climate | MIT Climate Project | |
| 68 | 124 |  | Physics World Weekly Podcast | Physics World | |
| 69 | 27 | A | AP Cardiology | Andrew Perry | |
| 70 | 31 |  | Drilled | Pushkin Industries | |
| 71 | — | C | Curiosity Unbounded | Massachusetts Institute of Technology (MIT) | |
| 72 | 32 | W | Why? with Emma Kennedy | Podmasters | |
| 73 | — |  | Most Terrifying Places in America | Travel Channel | |
| 74 | 31 | N | New Books in Public Policy | New Books Network | |
| 75 | 29 | 泛 | 泛泛泛科學之思想實驗室 | PanSci | |
| 76 | 29 | P | Purple is the New Green | Nel Hydrogen | |
| 77 | 29 |  | New Books in Critical Theory | Marshall Poe | |
| 78 | 29 |  | Flow Radio | Flow Research Collective | |
| 79 | 29 | S | Sage Sociology | Sage Publications | |
| 80 | 25 |  | SciShow Tangents | Complexly | |
| 81 | 29 | T | Two Psychologists Four Beers | Yoel Inbar, Michael Inzlicht, and Alexa Tullett | |
| 82 | 29 | س | سهند ایرانمهر | پادکست سهند ایرانمهر, سهند ایرانمهر, Sahand Iranmehr | |
| 83 | 29 | T | The We Society | AcSS | |
| 84 | 14 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 85 | 44 |  | Science Quickly | Scientific American | |
| 86 | 27 | S | Sher Khan | Aaj Tak Radio | |
| 87 | 24 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 88 | 10 |  | BrainStuff | iHeartPodcasts | |
| 89 | 31 |  | The Numberphile Podcast | Brady Haran | |
| 90 | 34 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 91 | 46 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 92 | 31 | G | Game Theory | Game Theory | |
| 93 | 31 |  | MinuteEarth | Minute Earth | |
| 94 | 21 |  | Das Wissen | SWR | SWR | |
| 95 | 9 |  | New Books in Psychoanalysis | Marshall Poe | |
| 96 | 36 |  | The Life Scientific | BBC Radio 4 | |
| 97 | 3 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 98 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 99 | 34 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 100 | 9 | P | PsychCrunch | The British Psychological Society Research Digest | |
