| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 1 |  | Science Vs | Spotify Studios | |
| 4 | — |  | Unexplainable | Vox | |
| 5 | — |  | The Threshold | Foreign Policy | |
| 6 | 16 | I | Ideas of India | Mercatus Center at George Mason University | |
| 7 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 7 | 1 |  | EarthWise | Vivaan Mathur | |
| 8 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 8 | 9 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 9 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 9 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 11 | 2 |  | Science Friday | Science Friday and WNYC Studios | |
| 12 | 4 |  | Overheard at National Geographic | National Geographic | |
| 12 | 4 | B | Boring History for Sleep | Velvet | |
| 13 | 21 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 14 | 3 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 16 | — |  | Science Weekly | The Guardian | |
| 16 | 2 |  | BBC Inside Science | BBC Radio 4 | |
| 17 | 15 |  | Science In Action | BBC World Service | |
| 18 | 61 |  | The Alpha Male Coach Podcast | Kevin Aillaud | |
| 20 | 10 |  | More or Less | BBC Radio 4 | |
| 20 | 5 |  | Astrum Space | Astrum | |
| 21 | 9 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 23 | 10 |  | Making Sense with Sam Harris | Sam Harris | |
| 23 | 28 |  | Regenerative Agriculture Podcast | John Kempf | |
| 24 | 19 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 24 | 11 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 25 | 22 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 26 | 12 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 26 | 16 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 27 | 6 |  | BrainStuff | iHeartPodcasts | |
| 28 | 1 |  | Curious Cases | BBC Radio 4 | |
| 30 | 117 |  | Ancient Aliens | PodcastOne | |
| 30 | 9 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 31 | 7 |  | Babbage from The Economist | The Economist | |
| 32 | 4 |  | Discovery | BBC World Service | |
| 33 | 91 |  | The Numberphile Podcast | Brady Haran | |
| 33 | 18 |  | The Orthobullets Podcast | Orthobullets | |
| 33 | 16 | V | VoxTalks Economics | VoxTalks | |
| 35 | 15 |  | The Quanta Podcast | Quanta Magazine | |
| 35 | 8 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 35 | 16 | S | Sher Khan | Aaj Tak Radio | |
| 36 | 45 | T | The Boring Climate Podcast | The Boring Climate Podcast | |
| 36 | — | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 37 | 22 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 37 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 37 | — |  | American Innovations | Audible | |
| 38 | 18 |  | Science Magazine Podcast | Science Magazine | |
| 38 | 79 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 38 | 6 |  | The Michael Shermer Show | Michael Shermer | |
| 39 | 3 | S | Self Improvement Beast | manjha beast | |
| 40 | 22 |  | The Astrophysics Podcast | Paul Duffell | |
| 40 | 4 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 41 | 86 | T | The Rearview | The Hindu | |
| 42 | 32 | V | VASTU Secrets | Brian Gangel | |
| 43 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 43 | 17 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 43 | 21 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 44 | 3 |  | Nature Podcast | Springer Nature Limited | |
| 44 | 3 |  | This Week in Cardiology | Medscape | |
| 45 | — | T | The Sid Warrier Podcast | Sid | |
| 46 | 79 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 47 | — |  | Flash Forward | Rose Eveleth | |
| 47 | 58 |  | Opinion Science | Andy Luttrell | |
| 47 | 32 |  | IQ - Wissenschaft und Forschung | Bayerischer Rundfunk | |
| 48 | 11 |  | Science Quickly | Scientific American | |
| 49 | 12 | T | The Aspiring Psychologist Podcast | Dr Marianne Trent | |
| 50 | 11 |  | All In The Mind | ABC | |
| 50 | 85 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 50 | — | V | Volcanoes | National Park Service | |
| 51 | 21 |  | CrowdScience | BBC World Service | |
| 51 | — | M | Marriage and Family Therapy | Nadia Caruth-Gray | |
| 52 | 18 |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 53 | 18 |  | Universe Today Podcast | Fraser Cain | |
| 53 | 53 |  | Instant Genius | Our Media | |
| 53 | 14 |  | Naturebang | BBC Radio 4 | |
| 54 | 7 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 55 | 34 |  | You Are Not So Smart | You Are Not So Smart | |
| 56 | — | N | Naturpodden – Natursidan | Emil V Nilsson | |
| 56 | — | A | Analytically Speaking | LCGC & Spectroscopy | |
| 57 | 34 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 58 | 11 | P | Physics World Stories Podcast | Physics World | |
| 59 | — |  | Cited Podcast | Cited Media | |
| 61 | 20 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 61 | 133 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 62 | 11 |  | Unexpected Elements | BBC World Service | |
| 62 | — | T | The Offshore Wind Podcast from GWEC | Global Wind Energy Council | |
| 62 | 3 | I | insideQuantum | insideQuantum | |
| 63 | — |  | Clinical Conversations | Royal College of Physicians of Edinburgh | |
| 64 | — |  | SciShow Tangents | Complexly | |
| 65 | — | C | Consultant Conversations | Royal College of Physicians of Edinburgh | |
| 66 | 35 |  | Curiosity Weekly | Discovery | |
| 67 | 12 |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 67 | — | I | INside the OUTcomes: A Rehabilitation Research Podcast | Center for Rehabilitation Outcomes Research | |
| 67 | 13 | E | Economics In Ten | Economics In Ten | |
| 68 | — | 超 | 超リアルな行動心理学 | FERMONDO | |
| 69 | 21 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 70 | 109 |  | The Weirdest Thing I Learned This Week | Popular Science | |
