| 1 | — |  | The Rest Is Science | Goalhanger | |
| 3 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | — |  | Science Vs | Spotify Studios | |
| 5 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 6 | B | Boring History for Sleep | Velvet | |
| 6 | 2 |  | The Adventurer's | TheAdventurers | |
| 7 | 23 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 7 | — |  | Unexplainable | Vox | |
| 8 | 5 | I | Ideas of India | Mercatus Center at George Mason University | |
| 9 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 10 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 12 | 3 |  | Science Weekly | The Guardian | |
| 12 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 12 | 2 |  | EarthWise | Vivaan Mathur | |
| 12 | 15 | S | Sher Khan | Aaj Tak Radio | |
| 13 | 13 |  | Curious Cases | BBC Radio 4 | |
| 14 | 5 |  | Short Wave | NPR | |
| 15 | 13 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 16 | — |  | Speaking of Psychology | American Psychological Association | |
| 17 | 1 |  | Science Friday | Science Friday and WNYC Studios | |
| 18 | 6 |  | The Quanta Podcast | Quanta Magazine | |
| 19 | 5 |  | More or Less | BBC Radio 4 | |
| 19 | — |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 21 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 22 | 123 |  | This Week in Cardiology | Medscape | |
| 22 | 2 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 22 | 3 |  | Planet Em | Emily McDonald | |
| 23 | 17 |  | Curiosity Weekly | Discovery | |
| 24 | 1 |  | Nature Podcast | Springer Nature Limited | |
| 24 | 3 |  | Babbage from The Economist | The Economist | |
| 25 | 7 |  | Discovery | BBC World Service | |
| 25 | 8 |  | CrowdScience | BBC World Service | |
| 26 | 6 |  | Physics World Weekly Podcast | Physics World | |
| 28 | 4 |  | All In The Mind | ABC | |
| 29 | 9 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 30 | 12 |  | Astrum Space | Astrum | |
| 31 | 1 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 33 | 79 | V | VoxTalks Economics | VoxTalks | |
| 34 | 4 | M | MDS Podcast | International Parkinson and Movement Disorder Society | |
| 35 | 3 |  | The Life Scientific | BBC Radio 4 | |
| 35 | — |  | Six Lessons Approach Podcast by Dr. David Alleman | Dr. David Alleman | |
| 37 | 17 |  | The Psychology Podcast | iHeartPodcasts | |
| 37 | 4 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 38 | 7 |  | You Are Not So Smart | You Are Not So Smart | |
| 39 | 4 |  | Overheard at National Geographic | National Geographic | |
| 40 | 28 | Q | Quarks to Cosmos: Advanced Physics in Everyday Language | TheTuringApp | |
| 43 | 9 |  | Drilled | Pushkin Industries | |
| 43 | 97 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 45 | 10 |  | Mind & Life | Mind & Life Institute | |
| 45 | — |  | The Energy Podcast | Shell | |
| 46 | 5 |  | BrainStuff | iHeartPodcasts | |
| 47 | 28 | C | Clinical neurology with KD | Krishnadas N C | |
| 47 | 14 |  | The Science of Everything Podcast | James Fodor | |
| 48 | 5 |  | Wissen Weekly | Spotify Studios | |
| 49 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 49 | 21 |  | Earthsight | cr458 | |
| 50 | 50 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 50 | — |  | The Joy of x | Steven Strogatz and Quanta Magazine | |
| 51 | — |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 52 | — |  | Blurry Creatures | Blurry Creatures | |
| 52 | 17 |  | This Week in Microbiology | Vincent Racaniello | |
| 52 | 37 | G | Game Theory | Game Theory | |
| 53 | 110 |  | Living Planet | DW | |
| 54 | 127 | Q | Quantum Foundations Podcast | Maria Violaris | |
| 55 | 15 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 56 | — |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 57 | 12 |  | Science Magazine Podcast | Science Magazine | |
| 57 | — | C | CLINICAL DATA MANAGEMENT | Institute of Biostatistics and Analyses | |
| 58 | 24 |  | Instant Genius | Our Media | |
| 60 | 32 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 61 | 20 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 61 | — |  | American Journal of Ophthalmology Podcasts Collection | Various | |
| 62 | 23 |  | The Michael Shermer Show | Michael Shermer | |
| 62 | — | B | Biotechnology Reviews | Biotechnology Reviews Luke McLaughlin | |
| 63 | — | P | Public Health Insight | PHI Media | |
| 64 | — |  | MinuteEarth | Minute Earth | |
| 64 | 8 |  | La Science, CQFD | France Culture | |
| 65 | — | A | Adventures into Organic Chemistry | TheTuringApp | |
| 66 | 20 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 66 | — | M | Mysteries of the Universe | TheTuringApp.Com | |
| 67 | 17 | T | The Rearview | The Hindu | |
| 68 | 8 |  | Das Wissen | SWR | SWR | |
| 68 | 2 |  | ACM ByteCast | Association for Computing Machinery (ACM) | |
| 68 | — | A | Arthroscopy Podcast | AANA | |
| 68 | 26 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 69 | 6 |  | Ask a Spaceman! | Paul M. Sutter | |
| 71 | 23 | V | Voices of Mathematics | Mathematics Faculty, University of Cambridge | |
| 72 | 6 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 73 | 68 | B | Blood Podcast | American Society of Hematology | |
| 73 | 12 |  | Cosmos in a Pod | Amitesh Surwar | |
| 74 | — |  | Scotland Outdoors | BBC Radio Scotland | |
| 74 | — | Q | Quantisophy LLC Podcast | Quantisophy LLC | |
| 77 | 7 |  | Unexpected Elements | BBC World Service | |
| 77 | 45 |  | The world, the universe and us | New Scientist | |
| 77 | 27 |  | Oncology Today with Dr Neil Love | Dr. Neil Love | |
| 78 | 24 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 78 | 9 |  | Great Mysteries of Physics | The Conversation | |
| 80 | 16 | P | Physics | Yale University | |
| 81 | 36 |  | SciShow Tangents | Complexly | |
