| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 3 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 4 | 1 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 5 | 1 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 5 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 7 | 5 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 7 | 2 |  | The Common Descent Podcast | Common Descent | |
| 8 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 8 | 3 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 9 | 1 |  | Manifold | Steve Hsu | |
| 9 | 2 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 10 | 2 |  | Believing the Bizarre: Paranormal Podcast | Tyler and Charlie | |
| 10 | 4 |  | UFO Chronicles Podcast | Nik Hunter | |
| 13 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 13 | 2 |  | Origin Stories | The Leakey Foundation | |
| 16 | 3 |  | Eons: Surviving Deep Time | PBS | |
| 16 | 4 |  | The Numberphile Podcast | Brady Haran | |
| 16 | 2 |  | The Science of Everything Podcast | James Fodor | |
| 17 | 6 | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 18 | 7 |  | Ask a Spaceman! | Paul M. Sutter | |
| 19 | 21 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 19 | 1 | T | The Genetics Podcast | Sano Genetics | |
| 19 | 8 | M | Making Science with Tom Whipple | The Times | |
| 21 | 5 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 21 | 35 |  | Main Engine Cut Off | Anthony Colangelo | |
| 22 | 4 | N | New Books in Environmental Studies | Marshall Poe | |
| 22 | 64 | M | Mushroom Revival Podcast | Alex Dorr | |
| 24 | 3 |  | Paranormal Portal | Brent Thomas | |
| 24 | 4 | S | Sustainable Futures: Designing Green Communities and Buildings | Green Roofs for Healthy Cities | |
| 24 | 13 | W | What The Duck?! | ABC | |
| 25 | 25 |  | BirdNote Daily | BirdNote | |
| 25 | 2 | C | Cows and Effect | Paul Allison and Michael Blanche | |
| 26 | 15 |  | Patient Zero | NHPR | |
| 26 | 27 |  | The Science Show | ABC | |
| 26 | 5 |  | Outside/In | NHPR | |
| 27 | — | Z | ZSL Wild Science Podcast | Zoological Society of London | |
| 27 | 2 |  | MonsterTalk | Blake Smith | |
| 29 | — | G | Growing Microgreens Podcast | Diego Footer | |
| 29 | 2 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 29 | 7 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 30 | — | T | Targeting the Toughest Diseases | Vertex Pharmaceuticals | |
| 30 | 34 | S | Sustainability and The Sea | FutureSwell | |
| 30 | 55 | T | The Humble Hoof | Alicia Harlov | |
| 31 | 45 |  | ExtinctZoo | ExtinctZoo | |
| 32 | 6 | T | The Immunology Podcast | The Immunology Podcast | |
| 33 | 6 | S | Superduperstitious | Wyatt Shell and Jake Withee | |
| 34 | 91 | 原 | 原来是这样 Dscience | 原来是这样 Dscience | |
| 34 | 2 | D | Double Loop Podcast | Glenn Langenburg and Eric Ray | |
| 35 | 7 | T | The 'Perfect' Specimen | The Natural History Museum, London | |
| 36 | — | T | The Naked Mole Rat | libo/libo | |
| 37 | 2 | D | Die großen Fragen der Wissenschaft | detektor.fm – Das Podcast-Radio | |
| 39 | 10 | S | SCOPS Podcast | Sustainable Control of Parasites in Sheep (SCOPS) | |
| 41 | — | D | Digital Pathology Podcast | Aleksandra Zuraw, DVM, PhD | |
| 43 | 4 | T | Tom Nelson | Thomas Nelson | |
| 44 | 9 | ع | عصر حجر | Siavash Saffarianpour | |
| 45 | 13 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 46 | 13 | E | Evolution Talk | Rick Coste | |
| 47 | 14 | B | BASIS Agronomy Matters | BASIS Registration | |
| 47 | 17 | E | Eureka! | Stak | |
| 48 | 12 |  | How Wild | NPR | |
| 49 | 12 | T | The Biology of Superheroes Podcast | Dr. Shane Campbell-Staton and Arien Darby | |
| 49 | 6 |  | BrainStuff | iHeartPodcasts | |
| 50 | 12 | C | Cannabis Science Podcast | Dr. Ricardo Rivera | |
| 51 | 12 | A | Animalia Podcast | Anna Miller | |
| 52 | 12 |  | Podcasts on Urban Green Infrastructure | Dusty Gedge | |
| 52 | 7 | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 54 | 12 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 54 | 8 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 58 | 29 |  | From The Shadows | Shane Grove | |
| 59 | 5 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 60 | 94 | C | CountryWide | RTÉ Radio 1 | |
| 60 | 14 | B | Beneath the Surface | Lauren Park-McCann | |
| 62 | 10 | S | SETI Live | SETI Institute | |
| 63 | 14 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 63 | 9 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 63 | 16 | G | Grow the future | Yara Agronomy Team | |
| 64 | 12 | A | Around the World in 80 Trees | Jonathan Drori, Mike Greenwood | |
| 65 | 17 | Q | Quantum Field Theory with Dr. Rodeny A. Brooks | Dr. Rodney A. Brooks | |
| 67 | 19 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 68 | 11 | M | Microbe Talk | Microbiology Society | |
| 69 | 15 | N | New Books in Mathematics | Marshall Poe | |
| 70 | 15 |  | TILclimate | MIT Environmental Solutions Initiative | |
| 71 | 15 | U | Unsupervised Thinking | Neuro Collective | |
| 72 | 14 |  | The Swiss Connection | SWI swissinfo.ch | |
| 73 | 14 | T | The Happy Botanist | Allasandra Valdez | |
| 74 | 14 |  | Homesteading and Permaculture by Paul Wheaton | paul wheaton | |
| 75 | 22 | M | Met Office - Podcasts | Met Office | |
| 77 | 12 | O | Off Track | ABC | |
| 78 | 12 | F | Farmers Helping Farmers | VicNoTill | |
| 78 | 37 | S | Science(ish) | Auddy | |
| 78 | 20 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 79 | 14 | Z | ZSL Wild Science Podcast | Zoological Society of London | |
| 80 | 2 | T | The Pasture Pod | Michael Blanche | |
| 82 | 25 | K | Kozmofizika | Dávid Gyula | |
| 82 | 7 |  | Strange Animals Podcast | Katherine Shaw | |
| 83 | 3 |  | AstrotalkUK | Gurbir Singh | |
| 84 | 14 |  | Most Terrifying Places in America | Travel Channel | |
| 86 | 18 | S | Shepherds of the Wild Podcast | Tom Opre | |
| 87 | 19 |  | Untold Radio Network | Untold Radio Network | |
