| 1 | 9 |  | Making Sense with Sam Harris | Sam Harris | |
| 2 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | Radiolab | WNYC Studios | |
| 4 | — |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 6 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 7 | 7 |  | Curious Cases | BBC Radio 4 | |
| 8 | 3 |  | Unexplainable | Vox | |
| 9 | 2 |  | Science Vs | Spotify Studios | |
| 10 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 11 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 12 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 13 | 2 |  | CrowdScience | BBC World Service | |
| 14 | 9 |  | Speed & Scale | TED | |
| 15 | 4 |  | Unexpected Elements | BBC World Service | |
| 16 | 8 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 17 | 11 |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 18 | 70 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 19 | 36 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 20 | 56 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 21 | 35 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 22 | 11 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 23 | 8 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 24 | 69 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 25 | 67 |  | Science Quickly | Scientific American | |
| 26 | 6 |  | BBC Inside Science | BBC Radio 4 | |
| 27 | 92 |  | Ancient Aliens | PodcastOne | |
| 28 | 12 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 29 | — |  | Climate One | Climate One from The Commonwealth Club | |
| 30 | 96 | B | BJA Education Podcasts | BJA Education | |
| 31 | 18 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 32 | — | T | The We Society | AcSS | |
| 33 | — | A | Ask the Naked Scientists | Dr Chris Smith | |
| 34 | — |  | Behind The Science Podcast | Marine and Earth Science Learning Hub | |
| 35 | — | T | The Poultry Nutrition Blackbelt Podcast | Wisenetix | |
| 36 | — |  | Physics World Weekly Podcast | Physics World | |
| 37 | — | L | Lung Cancer Update | Research To Practice | |
| 38 | — | I | IFT Sci Dish | Institute of Food Technologists | |
| 39 | — |  | Unplucked | The Poultry Science Association | |
| 40 | — | T | The Fowl Frontier: Poultry Science Unplucked | University of Arkansas System Division of Agriculture | |
| 41 | — | E | European Journal of Anaesthesiology | EJA - The EJA Podcast collection | EJA | |
| 42 | 25 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 43 | 9 |  | This Week in Virology | Vincent Racaniello | |
| 44 | 9 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 45 | 28 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 46 | 25 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 47 | 22 |  | Speaking of Psychology | American Psychological Association | |
| 48 | 19 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 49 | 31 |  | Overheard at National Geographic | National Geographic | |
| 50 | 28 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 51 | 22 |  | Short Wave | NPR | |
| 52 | — |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 53 | 21 |  | The Science of Everything Podcast | James Fodor | |
| 54 | 6 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 55 | 5 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 56 | 51 |  | The Michael Shermer Show | Michael Shermer | |
| 57 | 31 |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 58 | 31 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 59 | 2 |  | Science In Action | BBC World Service | |
| 60 | 11 |  | Blurry Creatures | Blurry Creatures | |
| 61 | 28 |  | TED Talks Science and Medicine | TED | |
| 62 | 32 |  | Manifold | Steve Hsu | |
| 63 | 27 |  | Believing the Bizarre: Paranormal Podcast | Tyler and Charlie | |
| 64 | 27 |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 65 | 27 | G | Green Noise | CapeNature | |
| 66 | 27 |  | The Cartesian Cafe | Timothy Nguyen | |
| 67 | 27 | S | Stories of Our Skin | International Alliance for Global Health Dermatology (GLODERM) | |
| 68 | 6 |  | Science Friday | Science Friday and WNYC Studios | |
| 69 | 28 |  | More or Less | BBC Radio 4 | |
| 70 | 17 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 71 | 4 |  | Nephilim Death Squad | TopLobsta Productions | |
| 72 | 26 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 73 | 31 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 74 | 4 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 75 | 40 |  | The world, the universe and us | New Scientist | |
| 76 | 29 |  | Universe Today Podcast | Fraser Cain | |
| 77 | 34 | T | The Human Subject | BBC Radio 4 | |
| 78 | 33 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 79 | 8 |  | Regenerative Agriculture Podcast | John Kempf | |
| 80 | 17 | N | Neuroscience of Coaching | Mirasee FM | |
| 81 | 22 | F | Forschung aktuell | Deutschlandfunk | |
| 82 | 5 |  | Nature Podcast | Springer Nature Limited | |
| 83 | 32 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 84 | 5 |  | Living Planet | DW | |
| 85 | 33 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 86 | 32 |  | The Astrophysics Podcast | Paul Duffell | |
| 87 | 85 |  | All In The Mind | ABC | |
| 88 | 17 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 89 | 24 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 90 | 18 |  | Dr Karl Podcast | triplej | |
| 91 | 33 |  | Grey Dynamics | Grey Dynamics | |
| 92 | 32 |  | Astrum Space | Astrum | |
| 93 | 31 |  | IFLScience - The Big Questions | IFLScience | |
| 94 | 33 | T | The Cosmic Savannah | The Cosmic Savannah | |
| 95 | 9 |  | The Science of Birds | Ivan Phillipsen | |
| 96 | 52 |  | Science Weekly | The Guardian | |
| 97 | 33 |  | ESA Explores | European Space Agency | |
| 98 | 32 |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 99 | 31 |  | The Geography of Everything | Ronni Ravid & Zenne Hellinga | |
| 100 | 6 |  | That UFO Podcast | That UFO Podcast | |
