| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | 1 |  | Radiolab | WNYC Studios | |
| 5 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 1 |  | Unexplainable | Vox | |
| 8 | 2 |  | Science Vs | Spotify Studios | |
| 9 | 5 |  | Babbage from The Economist | The Economist | |
| 10 | 8 |  | Safe to Drink | NHPR | |
| 11 | 3 |  | Science Weekly | The Guardian | |
| 12 | — |  | Curious Cases | BBC Radio 4 | |
| 13 | 5 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 14 | 5 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 15 | 4 | B | Boring History for Sleep | Velvet | |
| 16 | 9 |  | Regenerative Agriculture Podcast | John Kempf | |
| 17 | 9 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 18 | 5 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 19 | 1 |  | You Are Not So Smart | You Are Not So Smart | |
| 20 | 2 |  | Blurry Creatures | Blurry Creatures | |
| 21 | 5 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 22 | 70 |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 23 | 7 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 24 | 5 |  | Intelligent Design the Future | Discovery Institute | |
| 25 | 6 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 26 | 36 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 27 | 13 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 28 | 163 | T | The Beljanski Cancer Talk Show | The Beljanski Foundation | |
| 29 | 18 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 30 | 13 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 31 | 2 | P | Permaculture for the Future | Josh Robinson | |
| 32 | 12 |  | The Quark Side - Quantum Physics Podcast | Synthetic Universe | |
| 33 | 18 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 34 | 10 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 35 | — | T | The Qual Report: Exploring the Depths of Qualitative Research | Adam Rosenthal | |
| 36 | 14 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 37 | — | R | Research Matters Podcast | Jason Luoma, Ph.D. | |
| 38 | 7 | I | Improbable Research | Marc Abrahams | |
| 39 | — | Q | Qualitative Research Methods for Everyone Podcast | Policy Press | |
| 40 | — |  | Nature Breaking | World Wildlife Fund | |
| 41 | 6 |  | Agulhas Current Affairs | Aghulas Current Affairs | |
| 42 | 9 | F | Feynmans law | Richard Feynman | |
| 43 | — | A | Annals of Emergency Medicine | Ryan Radecki, MD & Rory Spiegel, MD | |
| 44 | — | R | REACH: Why. Research. Matters. | REACH: Why. Research. Matters. | |
| 45 | 3 |  | RCGP clinical innovation and research podcast | RCGP Podcast | |
| 46 | 16 |  | UFO Chronicles Podcast | Nik Hunter | |
| 47 | 35 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 48 | 21 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 49 | 27 |  | Short Wave | NPR | |
| 50 | 5 |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 51 | 31 |  | Science Friday | Science Friday and WNYC Studios | |
| 52 | 17 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 53 | 28 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 54 | 17 |  | All In The Mind | ABC | |
| 55 | 42 |  | BBC Inside Science | BBC Radio 4 | |
| 55 | 22 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 56 | 21 |  | More or Less | BBC Radio 4 | |
| 57 | 47 |  | Science Quickly | Scientific American | |
| 58 | 35 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 59 | 45 |  | Speaking of Psychology | American Psychological Association | |
| 59 | 14 |  | Planet Visionaries – SEASON 5 | A podcast in partnership with The Rolex Perpetual Planet Initiative | |
| 60 | 32 |  | Dr Karl Podcast | triplej | |
| 61 | 23 |  | Nature Podcast | Springer Nature Limited | |
| 62 | 16 |  | The Episodic Table of Elements | T. R. Appleton | |
| 63 | 36 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 64 | 7 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 64 | — |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 65 | 33 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 66 | 30 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 66 | 51 |  | Living Planet | DW | |
| 67 | 40 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 68 | 122 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 69 | 15 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 70 | 26 |  | Astrum Space | Astrum | |
| 71 | 23 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 72 | 11 |  | TheThinkingAtheist | The Thinking Atheist | |
| 73 | 45 | T | The Water Data Podcast | WELL Labs | |
| 73 | 18 |  | The Orthobullets Podcast | Orthobullets | |
| 74 | 50 |  | Discovery | BBC World Service | |
| 75 | 28 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 76 | 6 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 77 | 25 |  | Curiosity Weekly | Discovery | |
| 78 | 41 | P | Physics World Stories Podcast | Physics World | |
| 78 | 32 |  | Universe Today Podcast | Fraser Cain | |
| 79 | 8 |  | Ancient Aliens | PodcastOne | |
| 80 | 45 |  | This Week in Virology | Vincent Racaniello | |
| 80 | — |  | The Swiss Connection | SWI swissinfo.ch | |
| 81 | 21 |  | That UFO Podcast | That UFO Podcast | |
| 81 | 42 |  | Conjecture Institute | conjectureinstitute | |
| 82 | 6 | S | Students of Surgery | Martin Brand | |
| 82 | 42 |  | The Sleepy Science Podcast | Dave Noel | |
| 83 | 8 |  | The Quanta Podcast | Quanta Magazine | |
| 83 | 42 |  | Biotech Hangout | Daphne Zohar, Josh Schimmer, Brad Loncar, Tim Opler & more | |
| 84 | — | T | The Wandering Ecologist Podcast | Penny Green | |
| 84 | 42 | T | The APsolute RecAP: Physics 1 Edition | Ryan McDowell, Melanie Kingett | |
| 85 | 6 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 86 | 26 |  | The Science of Birds | Ivan Phillipsen | |
| 87 | 35 |  | The world, the universe and us | New Scientist | |
| 88 | 61 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 89 | 21 |  | Get Birding | Peanut & Crumb | |
