| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 3 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 4 | — |  | Outside/In | NHPR | |
| 4 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 6 | 1 |  | The Michael Shermer Show | Michael Shermer | |
| 6 | 1 |  | BirdNote Daily | BirdNote | |
| 6 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 9 | 1 |  | Believing the Bizarre: Paranormal Podcast | Tyler and Charlie | |
| 10 | 2 |  | The Common Descent Podcast | Common Descent | |
| 10 | 1 |  | Ask a Spaceman! | Paul M. Sutter | |
| 10 | 1 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 11 | 2 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 13 | — |  | Paranormal Portal | Brent Thomas | |
| 15 | 1 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 15 | 2 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 17 | 1 |  | Origin Stories | The Leakey Foundation | |
| 17 | — |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 18 | 2 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 18 | 1 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 18 | 1 |  | Good Garbage with Ved Krishna | Pakka | |
| 19 | 2 |  | BrainStuff | iHeartPodcasts | |
| 20 | — |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 21 | — |  | UFO Chronicles Podcast | Nik Hunter | |
| 24 | — |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 25 | — |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 26 | — | T | The Immunology Podcast | The Immunology Podcast | |
| 26 | 1 |  | Most Terrifying Places in America | Travel Channel | |
| 27 | 1 |  | Robinson's Podcast | Robinson Erhardt | |
| 27 | 5 |  | From The Shadows | Shane Grove | |
| 27 | 2 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 28 | — |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 30 | — |  | The Science of Everything Podcast | James Fodor | |
| 30 | 12 |  | Strange Animals Podcast | Katherine Shaw | |
| 31 | 7 | C | Cannabis Cultivation and Science Podcast | Tad Hussey | |
| 31 | 8 |  | MonsterTalk | Blake Smith | |
| 32 | — |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 34 | 2 |  | Permaculture P.I.M.P.cast | Permaculture P.I.M.P.cast | |
| 35 | 9 |  | Main Engine Cut Off | Anthony Colangelo | |
| 35 | 7 |  | Eons: Surviving Deep Time | PBS | |
| 36 | — | T | This Week in Evolution | Vincent Racaniello | |
| 36 | 5 |  | How Wild | NPR | |
| 36 | 3 |  | ExtinctZoo | ExtinctZoo | |
| 37 | 6 |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 40 | 14 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 41 | 5 |  | Manifold | Steve Hsu | |
| 43 | 3 |  | Alien Encounters | Science Channel | |
| 43 | 3 |  | Ask MIT Climate | MIT Climate Project | |
| 44 | — |  | Brain Inspired | Paul Middlebrooks | |
| 44 | 4 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 45 | 4 | T | The Field Guides | The Field Guides | |
| 45 | 7 |  | 6 Ranch Podcast | James Nash | |
| 45 | 9 |  | The Numberphile Podcast | Brady Haran | |
| 47 | — |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 49 | — |  | Science unscripted | DW | |
| 50 | — | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 50 | 2 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 51 | 14 |  | The Science Show | ABC | |
| 52 | — | D | Don't Eat Poop! A Food Safety Podcast | Food Safety Specialists: Matthew Regusci and Francine L Shaw | |
| 53 | 11 |  | Wild Turkey Science | Dr. Marcus Lashley & Dr. Will Gulsby | |
| 54 | — | K | K9 Conservationists | Kayla Fratt | |
| 55 | 42 | T | The Humble Hoof | Alicia Harlov | |
| 55 | 10 |  | Untold Radio Network | Untold Radio Network | |
| 56 | 2 |  | Homesteading and Permaculture by Paul Wheaton | paul wheaton | |
| 57 | 16 |  | Weather Geeks | Weather Group Television | |
| 59 | 5 | A | AVEAM — Kent Hovind Official YouTube Podcast | Unknown | |
| 59 | — | I | Inside NATURE on PBS | PBS Nature | |
| 60 | 5 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 61 | 1 |  | Haunted America | Haunted America | |
| 62 | 6 |  | In Research Of | William Blake Smith | |
| 63 | 5 | M | Mushroom Revival Podcast | Alex Dorr | |
| 64 | 27 | C | Climate Connections | Yale Center for Environmental Communication | |
| 65 | 6 |  | Ken Cook Is Having Another Episode | EWG | |
| 66 | — | A | America Adapts the Climate Change Podcast | Doug Parsons | |
| 66 | 8 |  | Paleo Nerds | paleonerds | |
| 67 | 22 | W | Walkabout the Galaxy | Joshua Colwell, Adrienne Dove, and James Cooney | |
| 67 | 11 | W | What The Duck?! | ABC | |
| 68 | 7 | L | Laura Erickson's For the Birds | Laura Erickson | |
| 68 | — |  | Joint Approach | Musculoskeletal Infection Society | |
| 69 | — | A | Arthro-Pod | Jonathan Larson | |
| 69 | 17 |  | The Native Plant Podcast | Native Plant Podcast | |
| 72 | — | F | Food Safety Matters | Food Safety Magazine | |
| 72 | 2 | N | New Books in Environmental Studies | Marshall Poe | |
| 72 | 10 |  | SunCast | Nico Johnson | |
| 73 | 9 |  | Patient Zero | NHPR | |
| 74 | 10 |  | Papers to Podcasts | Bradley Cohen | |
| 76 | 20 | S | SETI Live | SETI Institute | |
| 76 | — | サ | サイエントーク | 研究者レンとイギリス駐在員エマ | |
| 77 | 1 | T | The Gestalt Gardener | MPB Think Radio | |
| 77 | — | D | Digging In with Pete Broderick | Pete Broderick | |
| 78 | 2 | ژ | ژرفا - Zharfa | Alireza Payandeh | |
| 78 | 12 |  | Natural Resources University | Collaboration of land-grant universities | |
| 78 | 12 | T | The Guide Post | American Saltwater Guides Association | |
| 79 | — | T | The Genetics Podcast | Sano Genetics | |
| 79 | 13 | C | Consciousness and the Brain | Bernard Baars, PhD | Nautilus Press Publishing Group | |
| 83 | — | T | The Reality Check | The Reality Check | |
| 83 | 97 | M | Mind Escape | Mind Escape | |
| 84 | — | B | Bred to Perfection | Kenny Troiano | |
| 85 | 14 | C | Curiosity Unbounded | Massachusetts Institute of Technology (MIT) | |
| 85 | 18 |  | Night Science | Itai Yanai & Martin Lercher | |
