| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 1 |  | The Rest Is Science | Goalhanger | |
| 4 | — |  | Radiolab | WNYC Studios | |
| 5 | — |  | Unexplainable | Vox | |
| 6 | 2 |  | EarthWise | Vivaan Mathur | |
| 8 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 9 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 9 | 1 |  | Planet Em | Emily McDonald | |
| 10 | 9 |  | More or Less | BBC Radio 4 | |
| 10 | 4 |  | The Quanta Podcast | Quanta Magazine | |
| 10 | — |  | Ologies with Alie Ward | Alie Ward | |
| 13 | 1 |  | Science Weekly | The Guardian | |
| 13 | 3 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 14 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 15 | — |  | Speaking of Psychology | American Psychological Association | |
| 16 | 4 |  | Overheard at National Geographic | National Geographic | |
| 17 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 18 | 11 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 22 | 2 |  | The Psychology Podcast | iHeartPodcasts | |
| 22 | 3 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 25 | 2 |  | Short Wave | NPR | |
| 25 | 7 |  | Get Obsessed : With Living Your Best Life | Julie Lokun and Mika Altidor | |
| 26 | 30 | T | The Math Club | Pete and Noah | |
| 26 | 1 |  | Let's Learn Everything! | Maximum Fun | |
| 28 | 2 |  | BBC Inside Science | BBC Radio 4 | |
| 29 | 1 |  | Discovery | BBC World Service | |
| 29 | 8 |  | Prognosis: Misconception | Bloomberg | |
| 29 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 33 | 10 |  | Science Friday | Science Friday and WNYC Studios | |
| 34 | 25 |  | Instant Genius | Our Media | |
| 34 | 11 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 36 | 9 |  | This Week in Cardiology | Medscape | |
| 36 | 9 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 36 | 4 | E | Easy Physics | Easy Physics | |
| 37 | 6 |  | Science Magazine Podcast | Science Magazine | |
| 38 | 5 |  | The Michael Shermer Show | Michael Shermer | |
| 38 | 13 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 38 | 128 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 39 | 5 |  | Babbage from The Economist | The Economist | |
| 39 | 4 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 40 | 15 | I | Ideas of India | Mercatus Center at George Mason University | |
| 41 | 18 |  | Universe Today Podcast | Fraser Cain | |
| 42 | 8 |  | Furqan Qureshi Blogs | furqan Qureshi Blogs | |
| 43 | 15 | ग | गोष्ट दुनियेची | BBC Marathi Audio | |
| 45 | 33 | N | New Books in Law | New Books Network | |
| 46 | 18 |  | Breaking Down: Collapse | Kory & Kellan | |
| 48 | 88 |  | You Are Not So Smart | You Are Not So Smart | |
| 49 | 11 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 50 | 19 | N | New Books in Mathematics | Marshall Poe | |
| 52 | 39 | I | Ideas in Development | Ideas in Development | |
| 53 | 10 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 53 | — |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 54 | 8 |  | Curious Cases | BBC Radio 4 | |
| 56 | 23 | W | Whiskey & International Relations Theory | Drs. Patrick Thaddeus Jackson & Daniel Nexon | |
| 57 | 38 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 57 | 5 |  | Nature Podcast | Springer Nature Limited | |
| 58 | 15 |  | The Science of Everything Podcast | James Fodor | |
| 58 | 15 |  | Great Mysteries of Physics | The Conversation | |
| 59 | 47 | P | Pediatric Anesthesia Podcast | Pediatric Anesthesia | |
| 60 | 28 |  | Science Quickly | Scientific American | |
| 60 | 15 |  | Curiosity Weekly | Discovery | |
| 60 | — |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 61 | 11 |  | A Question of Science | The Francis Crick Institute | |
| 62 | 7 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 63 | 45 |  | All In The Mind | ABC | |
| 65 | — |  | Slow Radio | BBC Radio 3 | |
| 65 | 17 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 66 | 7 |  | Science unscripted | DW | |
| 67 | — | F | Foot and Ankle Clinics (Elsevier) | Foot and Ankle Clinics | |
| 67 | — | B | BJPsych Journals | BJPsych Journals | |
| 68 | — |  | The Medbullets Step 1 Podcast | Medbullets | |
| 68 | 57 |  | Regenerative Agriculture Podcast | John Kempf | |
| 69 | 19 |  | MinuteEarth | Minute Earth | |
| 69 | — |  | Surgical Clinics (Elsevier) | Surgical Clinics | |
| 70 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 71 | 24 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 72 | — |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 73 | 37 | R | Rebel Economics with Dr. Steve Keen | Dr. Steve Keen | |
| 76 | 35 |  | Dil ki Baat | 💗Radha 💗Sings💗 | |
| 77 | 36 |  | The world, the universe and us | New Scientist | |
| 78 | 19 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 79 | — | N | Naturpodden – Natursidan | Emil V Nilsson | |
| 81 | 39 |  | Unexpected Elements | BBC World Service | |
| 81 | 25 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 82 | 5 | C | Chasing Consciousness | Freddy Drabble | |
| 83 | 34 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 83 | 35 |  | Robinson's Podcast | Robinson Erhardt | |
| 84 | 37 | S | Sher Khan | Aaj Tak Radio | |
| 84 | 5 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 85 | 9 |  | The Science of Coffee | James Harper | |
| 89 | 42 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 89 | — |  | ScienceStuff | iHeartPodcasts | |
| 89 | 24 |  | Mysterious Universe | 8th Kind | |
| 90 | 30 | T | The Intern At Work: Internal Medicine | Medicine Pods: The Intern at Work | |
| 91 | — |  | The Science Show | ABC | |
| 91 | 56 |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 91 | 41 |  | Night Science | Itai Yanai & Martin Lercher | |
| 92 | 27 |  | Win-Win with Liv Boeree | Liv Boeree | |
| 93 | 39 |  | Sustainability, Climate Change, Renewable Energy, Politics, Activism, Biodiversity, Carbon Footprint, Wildlife, Regenerative | Mia Funk | |
