| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | 6 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 3 | 2 |  | Students of Surgery | Martin Brand | |
| 4 | 34 |  | Paranormal Portal | Brent Thomas | |
| 5 | 4 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 6 | 2 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 7 | 4 |  | The Michael Shermer Show | Michael Shermer | |
| 8 | 9 |  | Ask a Spaceman! | Paul M. Sutter | |
| 9 | 2 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 10 | 4 |  | UFO Chronicles Podcast | Nik Hunter | |
| 11 | — |  | The Science of Everything Podcast | James Fodor | |
| 12 | 8 |  | BrainStuff | iHeartPodcasts | |
| 13 | 20 |  | Spooky Science Sisters | Evergreen Podcasts | Killer Podcasts | |
| 14 | 12 |  | So You Want to Be a Marine Biologist | K. G. Muzia | |
| 15 | 5 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 16 | 64 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 17 | 27 |  | The Common Descent Podcast | Common Descent | |
| 18 | 1 |  | Robinson's Podcast | Robinson Erhardt | |
| 19 | 5 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 20 | 7 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 21 | 9 |  | The Science Show | ABC | |
| 22 | 74 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 23 | 122 |  | The Stem Cell Podcast | The Stem Cell Podcast | |
| 24 | 10 |  | ExtinctZoo | ExtinctZoo | |
| 25 | 7 |  | Outside/In | NHPR | |
| 26 | 101 |  | EdgeCast | Edge Foundation, Inc. | |
| 27 | 1 |  | Manifesting Your Reality-The Law Of Assumption | Kimberly McComas | |
| 28 | 47 |  | Mendelspod Podcast | Theral Timpson | |
| 29 | — |  | The Immunology Podcast | The Immunology Podcast | |
| 30 | 6 |  | SilviCast | Wisconsin Forestry Center and Wisconsin Department of Natural Resources | |
| 31 | 30 |  | Ask Us Anything by Popular Science | Popular Science | |
| 32 | 10 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 33 | 34 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 34 | 19 |  | eanCast: Weekly Neurology | ean.org | |
| 35 | 19 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 36 | 18 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 37 | 8 |  | The Beljanski Cancer Talk Show | The Beljanski Foundation | |
| 38 | 7 |  | Agulhas Current Affairs | Aghulas Current Affairs | |
| 39 | 18 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 40 | 17 |  | Asimov Press | Asimov Press | |
| 41 | 16 |  | The Genetics Podcast | Sano Genetics | |
| 42 | — |  | Microbe Talk | Microbiology Society | |
| 43 | 15 |  | Manifold | Steve Hsu | |
| 44 | 17 |  | Fresh Thinking by Snowden Optiro | Snowden Optiro | |
| 45 | 15 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 46 | 11 |  | Dairy Digressions | ADSA | |
| 47 | 11 |  | 15 Interesting Facts You Probably Didn't Know! | Alyssa | |
| 48 | 11 |  | The Information Show With Zach Balma | ZACHARY BALMA | |
| 49 | 10 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 50 | 10 |  | Plastic Plesiosaur Podcast | Miles Greb | |
| 51 | 5 |  | The Swiss Connection | SWI swissinfo.ch | |
| 52 | 11 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 53 | 11 |  | Synapsen – ein Wissenschaftspodcast | NDR Info | |
| 54 | 11 |  | Origin Stories | The Leakey Foundation | |
| 55 | 10 |  | Brainforest Café | McKenna Academy of Natural Philosophy | |
| 56 | 6 |  | Cannabis Cultivation and Science Podcast | Tad Hussey | |
| 57 | 10 |  | Ö1 Wissen aktuell | ORF Ö1 | |
| 58 | 10 |  | Digital Pathology Podcast | Aleksandra Zuraw, DVM, PhD | |
| 59 | 10 |  | 365 Days of Astronomy - Weekly Edition | Fraser Cain & Dr. Pamela L. Gay | |
| 60 | 9 |  | Patient Zero | NHPR | |
| 61 | 9 |  | ADHD + ASD Sounds | Study Sleep Soothe | |
| 62 | 9 |  | Bee Talks | Connecticut Beekeepers Association | |
| 63 | 9 |  | New Books in Environmental Studies | Marshall Poe | |
| 64 | 7 |  | Pandemia | Kai Kuperschmidt, Laura Salm-Reifferscheidt | |
| 65 | 10 |  | Microbe Talk | Microbiology Society | |
| 66 | 10 |  | Oxford Sparks Big Questions | Oxford Sparks | |
| 67 | 9 |  | Mushroom Revival Podcast | Alex Dorr | |
| 68 | 6 |  | Weather Geeks | Weather Group Television | |
| 69 | 10 |  | WILD LIVES | WILD LIVES by faunographic | |
| 70 | 10 |  | Most Terrifying Places in America | Travel Channel | |
| 71 | 8 |  | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 72 | 8 |  | Food Safety Matters | Food Safety Magazine | |
| 73 | 8 |  | Eons: Surviving Deep Time | PBS | |
| 74 | 8 |  | Dry Season Resources | Grower Group Alliance & The South-West WA Drought Resilience Adoption and Innovation Hub | |
| 75 | 3 |  | treehugger podcast | Michael T Yadrick | |
| 76 | 8 |  | New Books in Science | New Books Network | |
| 77 | 8 |  | Dr RR Baliga's "Got Knowledge Doc" Podkast | Dr RR Baliga, MD, MBA | |
| 78 | 8 |  | Energy Crossroads | 21 Media | |
| 79 | 8 |  | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 80 | 7 |  | Intertek's Assurance in Action Podcast Network | Intertek | |
| 81 | 7 |  | Tom Nelson | Thomas Nelson | |
| 82 | 6 |  | Main Engine Cut Off | Anthony Colangelo | |
| 83 | 6 |  | Wild Animals | Roland Kays | |
| 84 | 6 |  | What The Duck?! | ABC | |
| 85 | 6 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 86 | 5 |  | Viced Rhino: The Podcast | Viced Rhino | |
| 87 | 1 |  | Paleo Nerds | paleonerds | |
| 88 | 6 |  | Engage Free Audiobook in Romance, Fantasy | Full Audiobook | |
| 89 | 5 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 90 | 7 |  | Faith and Science | 3ABN Australia Radio | |
| 91 | 6 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 92 | 5 |  | The Numberphile Podcast | Brady Haran | |
| 93 | 5 |  | The Guide Post | American Saltwater Guides Association | |
| 94 | 5 |  | 6 Ranch Podcast | James Nash | |
| 95 | 5 |  | Welt der Physik | Podcast | Welt der Physik | |
| 96 | 5 |  | Stockyard Sessions | Atlas Ag | |
| 97 | 5 |  | Making Science with Tom Whipple | The Times | |
| 98 | — |  | Sustainability and The Sea | FutureSwell | |
| 99 | 6 |  | Science unscripted | DW | |
| 100 | 6 |  | History of the Earth | Richard I. Gibson | |
