| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 3 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 4 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 5 | 1 |  | BirdNote Daily | BirdNote | |
| 5 | — |  | Outside/In | NHPR | |
| 7 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 8 | 1 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 8 | — |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 8 | — |  | The Common Descent Podcast | Common Descent | |
| 11 | 3 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 11 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 12 | 1 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 13 | 2 |  | Origin Stories | The Leakey Foundation | |
| 14 | 4 |  | Ask a Spaceman! | Paul M. Sutter | |
| 15 | 5 |  | BrainStuff | iHeartPodcasts | |
| 16 | — |  | Paranormal Portal | Brent Thomas | |
| 16 | — |  | UFO Chronicles Podcast | Nik Hunter | |
| 18 | 1 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 19 | 1 |  | 6 Ranch Podcast | James Nash | |
| 20 | — |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 20 | 2 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 22 | — |  | From The Shadows | Shane Grove | |
| 24 | — |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 25 | 1 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 25 | — |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 26 | 2 |  | Permaculture P.I.M.P.cast | Permaculture P.I.M.P.cast | |
| 26 | 2 |  | Untold Radio Network | Untold Radio Network | |
| 28 | 3 |  | How Wild | NPR | |
| 29 | 8 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 29 | 3 |  | ExtinctZoo | ExtinctZoo | |
| 30 | 1 |  | Robinson's Podcast | Robinson Erhardt | |
| 30 | 5 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 31 | — |  | Manifold | Steve Hsu | |
| 32 | 5 |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 33 | 17 |  | Main Engine Cut Off | Anthony Colangelo | |
| 33 | 1 |  | Strange Animals Podcast | Katherine Shaw | |
| 33 | 5 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 34 | 4 |  | MonsterTalk | Blake Smith | |
| 34 | 1 |  | The Science of Everything Podcast | James Fodor | |
| 34 | 20 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 35 | 13 |  | Haunted America | Haunted America | |
| 36 | 3 |  | Eons: Surviving Deep Time | PBS | |
| 37 | 33 |  | The Science Show | ABC | |
| 39 | — |  | Wild Turkey Science | Dr. Marcus Lashley & Dr. Will Gulsby | |
| 39 | 16 | W | What The Duck?! | ABC | |
| 41 | 2 |  | Paleo Nerds | paleonerds | |
| 43 | 6 |  | Night Science | Itai Yanai & Martin Lercher | |
| 43 | 18 |  | Most Terrifying Places in America | Travel Channel | |
| 43 | 11 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 44 | 4 | T | The Humble Hoof | Alicia Harlov | |
| 46 | 20 | T | The Genetics Podcast | Sano Genetics | |
| 47 | 3 | C | Cannabis Cultivation and Science Podcast | Tad Hussey | |
| 48 | 5 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 49 | 9 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 49 | 3 |  | Alien Encounters | Science Channel | |
| 50 | 12 |  | Science Stuff To Blow Your Mind | Podgo | |
| 51 | 3 |  | Brain Inspired | Paul Middlebrooks | |
| 51 | 9 | T | The Immunology Podcast | The Immunology Podcast | |
| 53 | 12 |  | Homesteading and Permaculture by Paul Wheaton | paul wheaton | |
| 53 | 10 | V | Viced Rhino: The Podcast | Viced Rhino | |
| 54 | 9 | A | AVEAM — Kent Hovind Official YouTube Podcast | Unknown | |
| 55 | 14 | F | Food Safety Matters | Food Safety Magazine | |
| 55 | 7 |  | Ask MIT Climate | MIT Climate Project | |
| 56 | — |  | Weather Geeks | Weather Group Television | |
| 57 | 10 | S | Solar Maverick Podcast | Benoy Thanjan | |
| 58 | 14 | C | Climate Connections | Yale Center for Environmental Communication | |
| 61 | 18 | T | The Field Guides | The Field Guides | |
| 62 | 16 |  | The Numberphile Podcast | Brady Haran | |
| 63 | 4 | B | Bigfoot’s Wilderness Podcast | Bigfoot's Wilderness Podcast | |
| 63 | 7 | O | Oil & Gas Journal ReEnterprised | Endeavor Business Media | |
| 64 | 19 |  | Science unscripted | DW | |
| 64 | 2 | B | Brain Matters | Brain Matters Neuroscience | |
| 64 | 24 |  | Patient Zero | NHPR | |
| 64 | 8 | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 68 | 5 |  | In Research Of | William Blake Smith | |
| 68 | 37 | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 68 | 11 |  | Ken Cook Is Having Another Episode | EWG | |
| 69 | 11 | T | The Bigfoot Report | Paranormal World Productions | |
| 72 | — | T | The Geothermal Energy Podcast | Frank Lapinski | |
| 72 | 11 | T | terrestrial | KUOW News and Information | |
| 73 | 11 | S | SilviCast | Wisconsin Forestry Center and Wisconsin Department of Natural Resources | |
| 73 | 4 | C | Cincinnati Zoo Tales | cincinnatizoo | |
| 74 | 22 | T | This Week in Evolution | Vincent Racaniello | |
| 74 | 5 | C | Cheap Astronomy Podcasts | Steve Nerlich | |
| 75 | 5 | S | Sustainability and The Sea | FutureSwell | |
| 75 | 11 | T | Tom Nelson | Thomas Nelson | |
| 77 | 19 |  | SunCast | Nico Johnson | |
| 77 | — | D | Double Loop Podcast | Glenn Langenburg and Eric Ray | |
| 78 | 3 | T | The Plant Report- Every Plant Has A Story | Jill Cloutier | |
| 83 | 81 | C | CARTA - Anthropogeny (Audio) | UCTV | |
| 83 | 33 | C | Cryptid Campfire | Cryptid Campfire | |
| 83 | 2 | T | The Outfall Podcast | The Outfall | |
| 84 | 7 | B | Bird’s Eye View | Mathew G. Radford | |
| 84 | 3 | T | The Vet Tech Cafe's Podcast | Vet Tech Cafe | |
| 85 | 13 | O | omega tau - English only | Markus Voelter, Nora Ludewig | |
| 85 | — | O | Obscure Appalachia | Candis Casper | |
| 86 | 21 | N | New Books in Environmental Studies | Marshall Poe | |
| 87 | 8 | P | PolliNation Podcast | Andony Melathopoulos | |
| 87 | 2 | T | That Bigfoot Podcast | Paranormal World Productions Studio | |
