| 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 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 5 | 1 |  | BirdNote Daily | BirdNote | |
| 7 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 7 | 1 |  | Outside/In | NHPR | |
| 8 | 4 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 8 | — |  | The Common Descent Podcast | Common Descent | |
| 9 | 1 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 10 | 5 |  | Ask a Spaceman! | Paul M. Sutter | |
| 12 | 1 |  | Paranormal Portal | Brent Thomas | |
| 14 | — |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 14 | 1 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 15 | 5 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 16 | 2 |  | UFO Chronicles Podcast | Nik Hunter | |
| 18 | 2 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 18 | — |  | Origin Stories | The Leakey Foundation | |
| 19 | 3 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 21 | 3 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 21 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 21 | 5 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 23 | 1 |  | BrainStuff | iHeartPodcasts | |
| 23 | 4 |  | The Science of Everything Podcast | James Fodor | |
| 24 | 1 |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 25 | 7 |  | Strange Animals Podcast | Katherine Shaw | |
| 25 | 7 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 26 | — |  | MonsterTalk | Blake Smith | |
| 26 | 7 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 26 | 2 |  | Untold Radio Network | Untold Radio Network | |
| 28 | 1 |  | 6 Ranch Podcast | James Nash | |
| 29 | 1 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 29 | 10 |  | Permaculture P.I.M.P.cast | Permaculture P.I.M.P.cast | |
| 29 | 21 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 30 | 4 |  | ExtinctZoo | ExtinctZoo | |
| 31 | 1 |  | Science Stuff To Blow Your Mind | Podgo | |
| 33 | 8 |  | Wild Turkey Science | Dr. Marcus Lashley & Dr. Will Gulsby | |
| 33 | 3 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 34 | 12 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 36 | 2 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 38 | 15 |  | Weather Geeks | Weather Group Television | |
| 39 | 6 |  | Eons: Surviving Deep Time | PBS | |
| 40 | 2 |  | How Wild | NPR | |
| 41 | 1 |  | Haunted America | Haunted America | |
| 42 | 1 |  | Brain Inspired | Paul Middlebrooks | |
| 43 | 7 |  | The Science Show | ABC | |
| 43 | — |  | The Numberphile Podcast | Brady Haran | |
| 45 | 2 | B | Bigfoot’s Wilderness Podcast | Bigfoot's Wilderness Podcast | |
| 45 | — |  | Alien Encounters | Science Channel | |
| 45 | 5 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 46 | 5 |  | Manifold | Steve Hsu | |
| 50 | 16 | W | What The Duck?! | ABC | |
| 51 | 8 |  | Main Engine Cut Off | Anthony Colangelo | |
| 51 | 5 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 52 | 1 | C | Cannabis Cultivation and Science Podcast | Tad Hussey | |
| 52 | 1 | T | Tinfoil Tales | Brandon Wright | |
| 53 | 1 | T | The Genetics Podcast | Sano Genetics | |
| 54 | 42 | A | Authentic Biochemistry | Dr Daniel J. Guerra | |
| 55 | 21 | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 55 | 7 | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 56 | 11 | T | The Humble Hoof | Alicia Harlov | |
| 58 | 1 | T | The Field Guides | The Field Guides | |
| 58 | 28 |  | Homesteading and Permaculture by Paul Wheaton | paul wheaton | |
| 58 | 11 |  | SunCast | Nico Johnson | |
| 59 | 8 | T | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 59 | 25 | 科 | 科学史评话最新专辑 | 科学史评话 | |
| 61 | 10 | F | Food Safety Matters | Food Safety Magazine | |
| 63 | 11 |  | Ask Us Anything by Popular Science | Popular Science | |
| 63 | 1 | B | Bird’s Eye View | Mathew G. Radford | |
| 64 | 4 | N | New Books in Environmental Studies | Marshall Poe | |
| 64 | 1 | T | This Week in Evolution | Vincent Racaniello | |
| 64 | 4 |  | Natural Resources University | Collaboration of land-grant universities | |
| 65 | 25 | S | Sustainable World Radio- Ecology and Permaculture Podcast | Jill Cloutier | |
| 65 | 9 | B | Brain Matters | Brain Matters Neuroscience | |
| 66 | 13 | T | The Guide Post | American Saltwater Guides Association | |
| 66 | 12 | T | The Immunology Podcast | The Immunology Podcast | |
| 67 | 15 | I | Inside NATURE on PBS | PBS Nature | |
| 68 | 3 | C | Climate Connections | Yale Center for Environmental Communication | |
| 70 | 30 | A | America Adapts the Climate Change Podcast | Doug Parsons | |
| 70 | 3 | V | Viced Rhino: The Podcast | Viced Rhino | |
| 71 | 19 |  | Ken Cook Is Having Another Episode | EWG | |
| 72 | 6 | C | Curiosity Unbounded | Massachusetts Institute of Technology (MIT) | |
| 78 | 21 |  | Patient Zero | NHPR | |
| 80 | 6 | A | ADHD + ASD Sounds | Study Sleep Soothe | |
| 81 | 9 |  | Night Science | Itai Yanai & Martin Lercher | |
| 82 | 13 | 原 | 原来是这样 Dscience | 原来是这样 Dscience | |
| 82 | 5 | T | The Bigfoot Report | Paranormal World Productions | |
| 83 | 2 |  | In Research Of | William Blake Smith | |
| 83 | 9 |  | Paleo Nerds | paleonerds | |
| 83 | 18 | C | Cheap Astronomy Podcasts | Steve Nerlich | |
| 85 | 16 | B | Bred to Perfection | Kenny Troiano | |
| 85 | 74 | R | Research Insights, a Society of Actuaries Podcast | Research Insights | |
| 85 | 13 |  | Sustainable Winegrowing | Vineyard Team | |
| 85 | 8 |  | Shark Week: The Podcast | Discovery | |
| 86 | 11 | D | Dairy Digressions | ADSA | |
| 87 | 23 |  | Ask MIT Climate | MIT Climate Project | |
| 87 | 23 | S | Sweet Talk: All Things Maple | Maple Program | |
| 88 | 11 | C | Cannabis Science Podcast | Dr. Ricardo Rivera | |
| 89 | 13 | T | The Gestalt Gardener | MPB Think Radio | |
