| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 2 |  | Radiolab | WNYC Studios | |
| 4 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 1 |  | Unexplainable | Vox | |
| 7 | 8 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 7 | 3 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 7 | 8 |  | Science Weekly | The Guardian | |
| 9 | — | B | Boring History for Sleep | Velvet | |
| 9 | — |  | Science Vs | Spotify Studios | |
| 11 | 3 |  | Curious Cases | BBC Radio 4 | |
| 12 | 37 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 13 | 4 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 13 | 2 |  | More or Less | BBC Radio 4 | |
| 14 | 2 |  | Blurry Creatures | Blurry Creatures | |
| 14 | 13 |  | Discovery | BBC World Service | |
| 16 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 17 | 6 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 17 | 76 |  | Dr Karl Podcast | triplej | |
| 18 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 18 | 97 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 19 | — | L | L'art du mentaliste | Taha Mansour | |
| 19 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 20 | 7 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 21 | 2 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 21 | 21 |  | Science Friday | Science Friday and WNYC Studios | |
| 22 | 56 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 22 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 22 | 18 | S | Science + God with Dr. G | AccessMore | |
| 23 | 11 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 24 | 3 |  | Babbage from The Economist | The Economist | |
| 25 | 136 |  | You Are Not So Smart | You Are Not So Smart | |
| 26 | 147 |  | New Books in Psychoanalysis | Marshall Poe | |
| 26 | 13 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 26 | 3 |  | The Michael Shermer Show | Michael Shermer | |
| 27 | 1 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 28 | 6 |  | The world, the universe and us | New Scientist | |
| 28 | 5 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 29 | 1 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 30 | 15 |  | Species | mackenmurphy.org | |
| 33 | 7 |  | All In The Mind | ABC | |
| 33 | 5 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 34 | 51 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 35 | 88 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 36 | 6 |  | CrowdScience | BBC World Service | |
| 36 | 7 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 37 | 137 | 4 | 4°C Podcast | 4°C pODCAST | |
| 38 | 7 |  | Living Planet | DW | |
| 38 | 85 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 39 | 25 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 39 | 6 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 39 | 50 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 41 | 8 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 43 | 8 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 43 | 45 |  | TheThinkingAtheist | The Thinking Atheist | |
| 44 | 121 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 44 | 83 | W | Water Beyond Earth | LUWEX Consortium | |
| 45 | 13 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 45 | — | V | VoxTalks Economics | VoxTalks | |
| 46 | 15 |  | Nature Insight: Speed Dating with the Future | IPBES | |
| 47 | — | T | The Space Show by Dr. David Livingston | Dr. David M. Livingston | |
| 47 | 6 |  | Speaking of Psychology | American Psychological Association | |
| 47 | — | L | La Terre au carré | France Inter | |
| 48 | 16 | T | The Soil Health Hub Podcast | Soil Health Hub | |
| 48 | — |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 49 | — | V | Vet Voices On Air | Veterinary Voices UK | |
| 50 | 82 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 51 | 18 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 52 | 33 |  | James Webb Space Telescope | Inception Point Ai | |
| 53 | 19 | H | Human Factors & Ergonomics (HFE) Hub | The Human Factors and Ergonomics Society of Australia (HFESA) | |
| 54 | 30 | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 54 | — | C | Cryptic Encounters | Cryptic County and Cloud10 | |
| 55 | 15 |  | Science In Action | BBC World Service | |
| 55 | 69 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 56 | — | I | International Law | Yale Law School | |
| 57 | 11 | W | Wildest Kruger Stories | Karolina Norée | |
| 57 | 15 |  | ScienceStuff | iHeartPodcasts | |
| 57 | 32 |  | Unexpected Elements | BBC World Service | |
| 58 | 18 |  | Eons: Surviving Deep Time | PBS | |
| 59 | 21 |  | Science Quickly | Scientific American | |
| 60 | 3 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 60 | 1 |  | The Episodic Table of Elements | T. R. Appleton | |
| 60 | — |  | For the love of weather | Gemma Plumb & Aisling Creevey | |
| 61 | 20 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 61 | 6 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 62 | 18 | T | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 63 | 17 |  | Short Wave | NPR | |
| 63 | 36 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 64 | 51 |  | Let's Learn Everything! | Maximum Fun | |
| 66 | 16 |  | Universe Today Podcast | Fraser Cain | |
| 68 | 17 |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 68 | 8 |  | Quirks and Quarks | CBC | |
| 68 | — |  | HOLOSKY PODCAST | Holosky Podcast | |
| 69 | 13 |  | Astrum Space | Astrum | |
| 69 | 19 |  | TED Talks Science and Medicine | TED | |
| 71 | 33 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 72 | 33 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
