| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 3 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 3 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 5 | 1 |  | The Common Descent Podcast | Common Descent | |
| 6 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 6 | 1 |  | UFO Chronicles Podcast | Nik Hunter | |
| 7 | 2 |  | Ask a Spaceman! | Paul M. Sutter | |
| 9 | 4 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 9 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 9 | — |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 9 | 2 | M | Making Science with Tom Whipple | The Times | |
| 10 | 6 |  | Paranormal Portal | Brent Thomas | |
| 12 | — |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 13 | 2 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 15 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 15 | — |  | HOLOSKY PODCAST | Holosky Podcast | |
| 16 | 4 | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 16 | — |  | MonsterTalk | Blake Smith | |
| 17 | 5 |  | The Science Show | ABC | |
| 17 | 2 |  | Origin Stories | The Leakey Foundation | |
| 18 | 2 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 18 | 1 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 19 | 1 |  | Robinson's Podcast | Robinson Erhardt | |
| 19 | 3 | C | Counting the Earth | Counting the Earth | |
| 21 | 4 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 22 | 7 | W | What The Duck?! | ABC | |
| 24 | 39 |  | Eons: Surviving Deep Time | PBS | |
| 25 | 1 |  | The Science of Everything Podcast | James Fodor | |
| 27 | 5 |  | ExtinctZoo | ExtinctZoo | |
| 27 | 58 |  | Strange Animals Podcast | Katherine Shaw | |
| 27 | 28 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 28 | 1 |  | From The Shadows | Shane Grove | |
| 28 | 2 | T | The Genetics Podcast | Sano Genetics | |
| 28 | — |  | BirdNote Daily | BirdNote | |
| 28 | — | Z | ZSL Wild Science Podcast | Zoological Society of London | |
| 30 | 8 | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 32 | 2 | T | Tom Nelson | Thomas Nelson | |
| 32 | 12 |  | The Numberphile Podcast | Brady Haran | |
| 33 | — | S | So You Want to Be a Marine Biologist | K. G. Muzia | |
| 34 | 23 |  | Alien Encounters | Science Channel | |
| 34 | 8 | T | The Naked Mole Rat | libo/libo | |
| 34 | 4 | C | Cannabis Cultivation and Science Podcast | Tad Hussey | |
| 35 | 40 |  | Brain Inspired | Paul Middlebrooks | |
| 35 | 18 |  | Most Terrifying Places in America | Travel Channel | |
| 35 | 17 | O | Oxford Sparks Big Questions | Oxford Sparks | |
| 35 | — | S | SCOPS Podcast | Sustainable Control of Parasites in Sheep (SCOPS) | |
| 36 | 41 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 36 | 2 | A | Aperture: The Universe and Human Condition | Aperture: The Universe and Human Condition | |
| 37 | 76 | D | Die großen Fragen der Wissenschaft | detektor.fm – Das Podcast-Radio | |
| 37 | 4 |  | SunCast | Nico Johnson | |
| 38 | — |  | BrainStuff | iHeartPodcasts | |
| 38 | 137 | 6 | 632nm | Misha Shalaginov, Michael Dubrovsky, Xinghui Yin | |
| 39 | — | L | Les grandes étapes de la vie | France Inter | |
| 40 | 1 |  | Paleo Nerds | paleonerds | |
| 40 | 19 | F | Facet Nation: A Gemmology Podcast | Facet Nation | |
| 42 | 18 | S | Science(ish) | Auddy | |
| 43 | 15 | M | Mushroom Revival Podcast | Alex Dorr | |
| 44 | — | G | GeoSakti | TG Usakti | |
| 44 | 5 | A | Arthro-Pod | Jonathan Larson | |
| 44 | 12 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 45 | 9 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 46 | 6 |  | Manifold | Steve Hsu | |
| 47 | 17 | F | Fermentation Speaker Series | Elisa Caffrey, David Zilber, and Justin Sonnenburg | |
| 48 | 8 |  | Main Engine Cut Off | Anthony Colangelo | |
| 49 | — | H | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 49 | 6 | D | Down The Rabbit Hole | Rafael Ruiz - Dark Mind Radio | |
| 50 | — | I | Il gorilla ce l'ha piccolo | storielibere.fm | |
| 50 | 14 |  | Night Science | Itai Yanai & Martin Lercher | |
| 51 | 29 | K | Kozmofizika | Dávid Gyula | |
| 52 | 14 | T | The 'Perfect' Specimen | The Natural History Museum, London | |
| 53 | 2 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 55 | 10 | E | Evolution Talk | Rick Coste | |
| 55 | 16 | T | The Pasture Pod | Michael Blanche | |
| 58 | 18 | V | Viced Rhino: The Podcast | Viced Rhino | |
| 59 | 8 | C | Cheap Astronomy Podcasts | Steve Nerlich | |
| 60 | 3 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 62 | 8 |  | Haunted America | Haunted America | |
| 63 | 3 |  | Untold Radio Network | Untold Radio Network | |
| 65 | 4 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 66 | 10 |  | Outside/In | NHPR | |
| 67 | 12 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 69 | 13 | T | The Natural History of Sussex | TheNaturalHistoryofSussex | |
| 72 | 13 | T | Talk of the Thames | Thames Estuary Partnership | |
| 73 | 12 | P | Project Botany | David Brooksby | |
| 74 | 10 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 74 | 12 | E | Evolution | UCTV | |
| 75 | 15 | E | Eureka! | Stak | |
| 75 | 12 | P | Pandemics & Pathogens Past & Present | Tim C. Smith | |
| 75 | 3 | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 77 | 37 | 3 | 365 Days of Astronomy - Weekly Edition | Fraser Cain & Dr. Pamela L. Gay | |
| 77 | 6 |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 77 | 11 | T | The Regenerative Agroforestry Podcast | Dimitri Tsitos & Etienne Compagnon | |
| 79 | 14 | N | New Books in Environmental Studies | Marshall Poe | |
| 81 | 11 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 81 | — | A | Açık Bilinç | Apaçık Radyo | |
| 82 | 9 | E | eanCast: Weekly Neurology | ean.org | |
| 82 | 4 | S | Squatch-D TV | Steve Kulls | |
| 85 | — | 老 | 老高与小茉 | 最全专辑 | 修音去尾完美版 | Mr大狼 | |
| 87 | 19 | W | Whale Tales Podcast | Whale Tales | |
