| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — |  | Science Vs | Spotify Studios | |
| 4 | 4 |  | Unexplainable | Vox | |
| 5 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | 2 |  | Overheard at National Geographic | National Geographic | |
| 6 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 7 | 2 |  | More or Less | BBC Radio 4 | |
| 7 | 2 |  | CrowdScience | BBC World Service | |
| 10 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 10 | 11 | B | Boring History for Sleep | Velvet | |
| 11 | 1 |  | Babbage from The Economist | The Economist | |
| 12 | 1 |  | Science Weekly | The Guardian | |
| 13 | 9 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 14 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 14 | — |  | This Week in Cardiology | Medscape | |
| 15 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 15 | 13 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 15 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 17 | 7 |  | Science Friday | Science Friday and WNYC Studios | |
| 17 | 8 |  | The Numberphile Podcast | Brady Haran | |
| 17 | 63 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 18 | 3 |  | All In The Mind | ABC | |
| 18 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 18 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 18 | 4 |  | Science In Action | BBC World Service | |
| 19 | 2 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 20 | 3 | I | Ideas of India | Mercatus Center at George Mason University | |
| 21 | 3 |  | Science Quickly | Scientific American | |
| 23 | 5 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 25 | 28 |  | Astrum Space | Astrum | |
| 25 | — | W | Why? with Emma Kennedy | Podmasters | |
| 25 | — | L | Logically Answered | Logically Answered | |
| 27 | 16 |  | Curiosity Weekly | Discovery | |
| 27 | — |  | The Wild with Chris Morgan | KUOW News and Information | |
| 28 | 2 |  | BBC Inside Science | BBC Radio 4 | |
| 28 | 37 |  | Instant Genius | Our Media | |
| 30 | — | E | Economics In Ten | Economics In Ten | |
| 30 | — | T | The Complete History of Science | Gethin Richards | |
| 31 | 6 |  | The Quanta Podcast | Quanta Magazine | |
| 31 | 107 |  | BioCentury This Week | BioCentury | |
| 32 | 6 |  | Science Magazine Podcast | Science Magazine | |
| 33 | 13 |  | The Astrophysics Podcast | Paul Duffell | |
| 34 | 14 | S | Sher Khan | Aaj Tak Radio | |
| 35 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 36 | 5 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 38 | — |  | Outside/In | NHPR | |
| 39 | 1 |  | SciShow Tangents | Complexly | |
| 40 | 31 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 40 | 13 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 40 | 14 |  | Unexpected Elements | BBC World Service | |
| 40 | — | O | On Wisdom | Charles Cassidy and Igor Grossmann | |
| 41 | — |  | Discovery | BBC World Service | |
| 41 | 27 |  | BrainStuff | iHeartPodcasts | |
| 44 | — | U | Unblinded: A Clinical Trial Podcast | Veeva Systems | |
| 45 | 30 | E | ERS Publications Podcasts | ERS Publications Podcasts | |
| 45 | — |  | The Future of Everything | Stanford Engineering | |
| 46 | — |  | Let's Learn Everything! | Maximum Fun | |
| 47 | 9 |  | Mind & Life | Mind & Life Institute | |
| 47 | — |  | Win-Win with Liv Boeree | Liv Boeree | |
| 47 | — |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 48 | 6 | R | Ri Science Podcast | The Royal Institution | |
| 49 | 6 | V | Voices of JHIL | Journal of the History of International Law (JHIL), Brill | |
| 50 | 6 | S | SCILJ Seminars | SCILJ - Stockholm Centre for International Law and Justice | |
| 51 | 40 |  | The Life Scientific | BBC Radio 4 | |
| 51 | — | R | Revision podcasts for the MRCPCH clinical exam | mrcpch.paedatrics.co.uk | |
| 51 | 6 | J | JurisDictions: International law podcast | T.M.C. Asser Instituut | |
| 52 | 112 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 52 | 6 | B | Better Place: Talking International Law | RMIT Digital Comms | |
| 54 | 33 | T | The Hematologist | The Hematologist | |
| 55 | 20 |  | The Science of Birds | Ivan Phillipsen | |
| 56 | 24 |  | The world, the universe and us | New Scientist | |
| 57 | — |  | The Orthobullets Podcast | Orthobullets | |
| 57 | 5 |  | ASTRO Journals | Various | |
| 58 | 16 | S | Seacreatures | Matt Testoni | |
| 59 | 25 |  | MedEvidence! Truth Behind the Data | Dr. Michael Koren | |
| 59 | — |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 60 | — |  | Completely Arbortrary | Completely Arbortrary | |
| 60 | — | F | From Our Neurons to Yours | Wu Tsai Neurosciences Institute at Stanford University, Nicholas Weiler | |
| 61 | 16 |  | American Innovations | Audible | |
| 61 | 25 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 61 | — |  | The Data Science Education Podcast | Berkeley Data Science | |
| 62 | — |  | The Nature Of with Willow Defebaugh | Atmos | |
| 62 | 6 | U | Universe Hindi | GEETESH KUMAR PATEL | |
| 63 | 15 |  | TED Talks Science and Medicine | TED | |
| 63 | — | T | The Clinical Research Podcast | Research & Innovation | |
| 64 | — |  | Big Picture Science | Big Picture Science | |
| 65 | — | C | Conversations in Drug Development | Boyds | |
| 66 | 23 |  | Found in Space: A Science Podcast for Kids and Teens | Arwen Hubbard | |
| 66 | — |  | The Social-Engineer Podcast | Social-Engineer, LLC | |
| 67 | 21 | S | Star Diary | BBC Sky at Night Magazine | |
| 67 | — |  | Species | mackenmurphy.org | |
| 68 | 29 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 68 | — | T | The Universe In A Nutshell | Super Solo Squad | |
| 69 | 7 | M | Mushroom Revival Podcast | Alex Dorr | |
| 70 | — |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 72 | — |  | Scaling Theory | Thibault Schrepel | |
| 72 | — |  | UAP Files Podcast | UAP Files Podcast | |
| 73 | — |  | Fight Like An Animal | World Tree Center for Evolutionary Politics | |
