| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — | M | Making Science with Tom Whipple | The Times | |
| 3 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 4 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 5 | 2 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 6 | 3 |  | Paranormal Portal | Brent Thomas | |
| 7 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 8 | 2 |  | Robinson's Podcast | Robinson Erhardt | |
| 9 | 1 |  | UFO Chronicles Podcast | Nik Hunter | |
| 10 | 10 |  | Science Friday | Science Friday and WNYC Studios | |
| 11 | 1 |  | Origin Stories | The Leakey Foundation | |
| 12 | 2 |  | Ask a Spaceman! | Paul M. Sutter | |
| 13 | 4 |  | The Common Descent Podcast | Common Descent | |
| 14 | 11 |  | Nephilim Death Squad | TopLobsta Productions | |
| 15 | 7 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 16 | 3 |  | Sasquatch Odyssey | Sasquatch Odyssey-Bigfoot Encounters | |
| 17 | 13 | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 18 | 3 |  | The Science of Everything Podcast | James Fodor | |
| 19 | 4 |  | Believing the Bizarre: Paranormal Podcast | Tyler and Charlie | |
| 20 | 6 |  | Manifold | Steve Hsu | |
| 21 | 3 |  | The Michael Shermer Show | Michael Shermer | |
| 22 | 1 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 23 | 23 |  | BrainStuff | iHeartPodcasts | |
| 24 | 4 |  | The Numberphile Podcast | Brady Haran | |
| 25 | 27 |  | The Native Plant Podcast | Native Plant Podcast | |
| 26 | 10 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 27 | 4 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 28 | 17 |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 29 | 10 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 30 | 71 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 31 | — | C | Chaser Chat | Chaser Chat | Weather | Storm Chasing | Tornado | |
| 32 | 104 | L | La Ciencia Pop | Gabriel León | |
| 33 | 30 |  | Brain Inspired | Paul Middlebrooks | |
| 34 | 8 | O | Oxford Sparks Big Questions | Oxford Sparks | |
| 35 | 27 | T | The Genetics Podcast | Sano Genetics | |
| 36 | 4 |  | Strange Animals Podcast | Katherine Shaw | |
| 37 | 10 | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 38 | 14 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 39 | 10 | T | The Pasture Pod | Michael Blanche | |
| 40 | 7 | T | Totally Cooked: The Climate & Weather Podcast | ARC Centre of Excellence for 21st Century Weather | |
| 41 | 7 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 42 | 7 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 43 | 7 |  | Night Science | Itai Yanai & Martin Lercher | |
| 44 | 5 | G | Growing Microgreens Podcast | Diego Footer | |
| 45 | 5 | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 46 | 78 |  | Paleo Nerds | paleonerds | |
| 47 | 100 | E | eanCast: Weekly Neurology | ean.org | |
| 48 | 138 |  | SunCast | Nico Johnson | |
| 49 | 11 |  | ExtinctZoo | ExtinctZoo | |
| 50 | — | D | Double X Science | Double X Science | |
| 51 | 141 | S | Sustainable Futures: Designing Green Communities and Buildings | Green Roofs for Healthy Cities | |
| 52 | 11 | Z | Zoo Logic | Dr. Grey Stafford | |
| 53 | — |  | Climate Connections | Money FM | |
| 54 | — | T | The Funeral Science Podcast | Ben Schmidt | |
| 55 | 11 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 56 | 19 |  | MonsterTalk | Blake Smith | |
| 57 | 15 | T | Tom Nelson | Thomas Nelson | |
| 58 | 16 | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 59 | 12 | O | Outdoor Lives by Mike Raine | Mike Raine | |
| 60 | 17 |  | The Science Show | ABC | |
| 61 | 11 | S | So You Want to Be a Marine Biologist | K. G. Muzia | |
| 62 | 17 | T | Tyndall Talks | Tyndall Centre | |
| 63 | 15 | T | The Bigfoot Report | Paranormal World Productions | |
| 64 | 10 | P | Palaeocast | Palaeocast | |
| 65 | 12 | T | The National Forest Podcast | The National Forest | |
| 66 | 11 | I | Intertek's Assurance in Action Podcast Network | Intertek | |
| 67 | 18 |  | Most Terrifying Places in America | Travel Channel | |
| 68 | 12 | T | The Humble Hoof | Alicia Harlov | |
| 69 | 11 | W | What The Duck?! | ABC | |
| 70 | 13 | T | The 'Perfect' Specimen | The Natural History Museum, London | |
| 71 | 20 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 72 | 11 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 73 | 14 |  | Main Engine Cut Off | Anthony Colangelo | |
| 74 | 10 |  | Patient Zero | NHPR | |
| 75 | 9 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 76 | 16 | T | This Week in Evolution | Vincent Racaniello | |
| 77 | 12 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 78 | 9 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 79 | 8 |  | Eons: Surviving Deep Time | PBS | |
| 80 | 10 | F | Food Safety Matters | Food Safety Magazine | |
| 81 | 8 | A | Around the World in 80 Trees | Jonathan Drori, Mike Greenwood | |
| 82 | — | D | Doctor Jack's Soapbox Seminars | John C. Adler, Ph.D., as told to Bill DeSmedt | |
| 83 | 5 |  | From The Shadows | Shane Grove | |
| 84 | 9 | K | Kozmofizika | Dávid Gyula | |
| 85 | 6 | S | Synapsen – ein Wissenschaftspodcast | NDR Info | |
| 86 | 18 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 87 | 6 | O | omega tau - English only | Markus Voelter, Nora Ludewig | |
| 88 | 14 |  | BirdNote Daily | BirdNote | |
| 89 | 12 | D | DiscoScienza di Andrea Bellati | Andrea Bellati & VOIS | |
| 90 | 14 |  | Permaculture P.I.M.P.cast | Permaculture P.I.M.P.cast | |
| 91 | 11 | S | Sustainable World Radio- Ecology and Permaculture Podcast | Jill Cloutier | |
| 92 | 6 | T | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 93 | 11 | W | Wild Animals | Roland Kays | |
| 94 | 11 | C | Cheap Astronomy Podcasts | Steve Nerlich | |
| 95 | 10 | Y | YourForest | Matthew Kristoff | |
| 96 | 9 | P | Project Botany | David Brooksby | |
| 97 | 30 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 98 | 10 |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 99 | 15 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 100 | — | E | Eureka! | Stak | |
