| 1 | 2 |  | Radiolab | WNYC Studios | |
| 1 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 1 |  | Science Vs | Spotify Studios | |
| 5 | 3 |  | More or Less | BBC Radio 4 | |
| 5 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 8 |  | CrowdScience | BBC World Service | |
| 6 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 5 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 8 | 2 |  | Overheard at National Geographic | National Geographic | |
| 8 | 2 |  | Unexplainable | Vox | |
| 10 | 3 |  | Science Friday | Science Friday and WNYC Studios | |
| 10 | 2 |  | Babbage from The Economist | The Economist | |
| 11 | — |  | Curiosity Weekly | Discovery | |
| 12 | 6 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 13 | 2 |  | Science Weekly | The Guardian | |
| 14 | 2 |  | This Week in Cardiology | Medscape | |
| 14 | — |  | Science In Action | BBC World Service | |
| 15 | 8 |  | All In The Mind | ABC | |
| 15 | 26 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | 13 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 17 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 17 | 10 | I | Ideas of India | Mercatus Center at George Mason University | |
| 17 | 5 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 18 | 5 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 20 | 4 |  | The Astrophysics Podcast | Paul Duffell | |
| 20 | 8 | S | Sher Khan | Aaj Tak Radio | |
| 21 | — | T | The Hematologist | The Hematologist | |
| 21 | — | B | Boring History for Sleep | Velvet | |
| 22 | 3 |  | The Psychology Podcast | iHeartPodcasts | |
| 22 | 98 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 24 | 1 |  | Science Quickly | Scientific American | |
| 25 | — |  | The Quanta Podcast | Quanta Magazine | |
| 25 | 73 |  | The Numberphile Podcast | Brady Haran | |
| 26 | 13 |  | Science Magazine Podcast | Science Magazine | |
| 26 | 41 |  | BBC Inside Science | BBC Radio 4 | |
| 26 | 4 |  | Unexpected Elements | BBC World Service | |
| 27 | 18 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 28 | 9 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 29 | 12 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 30 | — | T | The Complete History of Science | Gethin Richards | |
| 31 | 1 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 32 | 4 |  | The world, the universe and us | New Scientist | |
| 33 | 19 |  | Furqan Qureshi Blogs | furqan Qureshi Blogs | |
| 34 | — |  | MedEvidence! Truth Behind the Data | Dr. Michael Koren | |
| 35 | 16 |  | You Are Not So Smart | You Are Not So Smart | |
| 35 | 108 |  | The Science of Birds | Ivan Phillipsen | |
| 36 | 8 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 38 | — |  | SciShow Tangents | Complexly | |
| 38 | 15 |  | Mind & Life | Mind & Life Institute | |
| 39 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 41 | 3 |  | Discovery | BBC World Service | |
| 41 | 87 | N | New Books in Environmental Studies | Marshall Poe | |
| 42 | 24 |  | Origin Stories | The Leakey Foundation | |
| 42 | 39 | R | Ri Science Podcast | The Royal Institution | |
| 42 | — | S | Seacreatures | Matt Testoni | |
| 43 | 11 |  | Found in Space: A Science Podcast for Kids and Teens | Arwen Hubbard | |
| 43 | — | V | Voices of JHIL | Journal of the History of International Law (JHIL), Brill | |
| 44 | — | S | SCILJ Seminars | SCILJ - Stockholm Centre for International Law and Justice | |
| 44 | 9 |  | Blurry Photos | David Flora | |
| 45 | 15 |  | The Future of Everything | Stanford Engineering | |
| 45 | — |  | American Innovations | Audible | |
| 45 | — | J | JurisDictions: International law podcast | T.M.C. Asser Instituut | |
| 45 | 116 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 45 | 10 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 45 | 54 | T | The Neuro Times | The Neuro Times | |
| 46 | 22 | S | Star Diary | BBC Sky at Night Magazine | |
| 46 | 20 |  | Let's Learn Everything! | Maximum Fun | |
| 46 | — | B | Better Place: Talking International Law | RMIT Digital Comms | |
| 47 | 5 | C | Chemical Engineering Podcast | Scott Jenkins | |
| 48 | 53 |  | TED Talks Science and Medicine | TED | |
| 48 | 19 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 49 | — | N | New Books in Political Science | New Books Network | |
| 50 | — | T | The Structural Engineering Podcast | Zach and Max | |
| 52 | 2 |  | Cool Worlds Podcast | coolworldslab | |
| 52 | — |  | ASTRO Journals | Various | |
| 52 | — | T | The Art of Mathematics | Carol Jacoby | |
| 53 | 32 |  | Astrum Space | Astrum | |
| 53 | 13 |  | The Demystifying Cosmetics Podcast | Jennifer Cookson | Tagra Biotechnologies | |
| 54 | 7 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 55 | — |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 56 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 56 | — | U | Universe Hindi | GEETESH KUMAR PATEL | |
| 57 | — |  | The Science Show | ABC | |
| 58 | — |  | Rare Earth | BBC Radio 4 | |
| 58 | 12 | E | Everything Environment by Mongabay India | Mongabay.com | |
| 58 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 59 | 7 | C | C'est notre empreinte | franceinfo | |
| 60 | — |  | Scotland Outdoors | BBC Radio Scotland | |
| 60 | 19 | M | Motivational Podcast (In Hindi ) | Amit Gautam | |
| 61 | 26 | M | Mr.GK Podcast | Mr.GK Podcast | |
| 62 | 4 |  | Nature Podcast | Springer Nature Limited | |
| 62 | — |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 62 | — | M | Mushroom Revival Podcast | Alex Dorr | |
| 63 | 3 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 63 | — | D | Digging a Hole: The Legal Theory Podcast | Digging a Hole Podcast | |
| 64 | 27 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 64 | 28 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 64 | 26 |  | Big Picture Science | Big Picture Science | |
| 65 | — |  | Instant Genius | Our Media | |
