| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 5 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 6 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 6 | 1 | B | Boring History for Sleep | Velvet | |
| 7 | 2 |  | Science Vs | Spotify Studios | |
| 7 | — |  | Unexplainable | Vox | |
| 8 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 11 | — |  | More or Less | BBC Radio 4 | |
| 11 | 16 |  | The Michael Shermer Show | Michael Shermer | |
| 11 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 12 | 6 |  | Speaking of Psychology | American Psychological Association | |
| 12 | 3 |  | Short Wave | NPR | |
| 12 | 7 |  | Astrum Space | Astrum | |
| 13 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 15 | 5 | I | Ideas of India | Mercatus Center at George Mason University | |
| 16 | 7 |  | Babbage from The Economist | The Economist | |
| 17 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 18 | — |  | Discovery | BBC World Service | |
| 18 | — |  | CrowdScience | BBC World Service | |
| 19 | 5 |  | Science Friday | Science Friday and WNYC Studios | |
| 20 | 3 |  | Curiosity Weekly | Discovery | |
| 21 | 4 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 22 | 55 | S | Sher Khan | Aaj Tak Radio | |
| 22 | 2 |  | Physics World Weekly Podcast | Physics World | |
| 23 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 24 | 8 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 24 | 12 |  | Raising Health | Andreessen Horowitz, a16z Bio + Health | |
| 24 | 2 | E | Exolore: facts-based fictional worldbuilding | Multitude | |
| 25 | — |  | Overheard at National Geographic | National Geographic | |
| 25 | 8 |  | The Science of Birds | Ivan Phillipsen | |
| 28 | 23 |  | Making Sense with Sam Harris | Sam Harris | |
| 28 | 5 |  | Unexpected Elements | BBC World Service | |
| 28 | 17 |  | The Climate Question | BBC World Service | |
| 31 | 6 |  | The Quanta Podcast | Quanta Magazine | |
| 31 | 5 |  | The Future of Everything | Stanford Engineering | |
| 31 | 3 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 33 | — |  | This Week in Cardiology | Medscape | |
| 34 | 8 |  | Curious Cases | BBC Radio 4 | |
| 35 | 1 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 35 | 2 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 36 | 16 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 36 | 5 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 37 | 11 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 39 | 2 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 39 | — | B | Biotechnology Reviews | Biotechnology Reviews Luke McLaughlin | |
| 40 | 3 |  | You Are Not So Smart | You Are Not So Smart | |
| 40 | 14 |  | Planet Em | Emily McDonald | |
| 40 | 8 |  | Biotech 2050 Podcast | Biotech 2050 | |
| 41 | 2 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 41 | 15 |  | Ancient Aliens | PodcastOne | |
| 42 | — |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 42 | 32 | N | Naturpodden – Natursidan | Emil V Nilsson | |
| 43 | 11 | 知 | 知識好好玩 | 鏡好聽 | |
| 44 | 12 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 45 | 53 |  | Accidental Gods | Accidental Gods | |
| 45 | 22 | T | The Turing Podcast | The Alan Turing Institute | |
| 45 | 8 | S | Sage Sociology | Sage Publications | |
| 46 | 83 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 47 | 9 |  | SOIL: Rewilding the Underground | Freya Mulvey | |
| 49 | 3 |  | All In The Mind | ABC | |
| 49 | — |  | This Week in Virology | Vincent Racaniello | |
| 50 | 4 | ग | गोष्ट दुनियेची | BBC Marathi Audio | |
| 50 | — | X | Xtalks Life Science Podcast | Xtalks | |
| 51 | — |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 51 | — |  | The History of Chemistry | Steve Cohen | |
| 52 | 7 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 52 | — | V | VoxDev Development Economics | VoxDev.org | |
| 53 | 2 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 54 | 24 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 54 | 18 |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 54 | 22 |  | Mysterious Universe | 8th Kind | |
| 55 | 23 |  | Quarks Daily | Quarks | |
| 56 | 14 |  | Das Wissen | SWR | SWR | |
| 56 | 17 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 57 | 40 | P | Physics | Yale University | |
| 58 | 132 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 59 | 31 |  | Ask a Spaceman! | Paul M. Sutter | |
| 61 | 33 |  | Science Weekly | The Guardian | |
| 61 | 11 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 62 | 35 |  | The Energy Podcast | Shell | |
| 64 | 18 |  | Nature Podcast | Springer Nature Limited | |
| 65 | 12 |  | The world, the universe and us | New Scientist | |
| 65 | 2 |  | Bedtime Astronomy | Synthetic Universe | |
| 66 | 19 |  | New Books in Critical Theory | Marshall Poe | |
| 66 | 65 |  | The Numberphile Podcast | Brady Haran | |
| 66 | — | T | The Rearview | The Hindu | |
| 67 | — |  | Naturebang | BBC Radio 4 | |
| 67 | — |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 68 | 14 |  | Universe Today Podcast | Fraser Cain | |
| 68 | — |  | Prognosis: Misconception | Bloomberg | |
| 68 | — |  | Great Mysteries of Physics | The Conversation | |
| 71 | 10 |  | Lost Women of Science | Lost Women of Science | |
| 71 | — |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 72 | 21 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 73 | 32 |  | Drilled | Pushkin Industries | |
| 73 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 74 | 6 | R | Relaxing Music For Sleep And Stress Relief | AK Entertainments | |
