| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — | W | What The Duck?! | ABC | |
| 3 | — |  | The Science Show | ABC | |
| 4 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 5 | 2 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 6 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 7 | 4 |  | The Michael Shermer Show | Michael Shermer | |
| 8 | 2 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 9 | 5 |  | Paranormal Portal | Brent Thomas | |
| 10 | 1 |  | The Common Descent Podcast | Common Descent | |
| 11 | 2 |  | UFO Chronicles Podcast | Nik Hunter | |
| 12 | — |  | Origin Stories | The Leakey Foundation | |
| 13 | 3 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 14 | 6 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 15 | 5 |  | Ask a Spaceman! | Paul M. Sutter | |
| 16 | 6 | N | Nature Track | ABC | |
| 17 | 13 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 18 | 3 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 19 | — | C | Cliffhanger Paranormal and Cryptid Encounters | Ben Clifford | |
| 20 | 2 |  | The Numberphile Podcast | Brady Haran | |
| 21 | 6 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 22 | 12 |  | BrainStuff | iHeartPodcasts | |
| 23 | 6 | T | The Science Show - Separate stories podcast | ABC | |
| 24 | 6 | B | Big Sky Country | Bush Heritage Australia | |
| 25 | 8 |  | Night Science | Itai Yanai & Martin Lercher | |
| 26 | 1 | G | Great Moments In Science | ABC | |
| 27 | 31 | S | Stockyard Sessions | Atlas Ag | |
| 28 | — | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 29 | 2 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 30 | 7 |  | Main Engine Cut Off | Anthony Colangelo | |
| 31 | — | O | Off Track | ABC | |
| 32 | 73 | 天 | 天方烨谈 | 基因频道 | |
| 33 | 7 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 34 | 110 | J | Just Ecology | Karl Just | |
| 35 | — | T | The Fisheries Podcast | A team of fisheries scientists | |
| 36 | 12 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 37 | 10 |  | MonsterTalk | Blake Smith | |
| 38 | 9 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 39 | 7 | F | Farmers Helping Farmers | VicNoTill | |
| 40 | 1 | T | The Building Sciology Poddie | Jess Kismet | |
| 41 | 24 | A | Aussie Wildlife Show | Aussie Wildlife Show | |
| 42 | 4 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 43 | 5 |  | Robinson's Podcast | Robinson Erhardt | |
| 44 | — |  | BirdNote Daily | BirdNote | |
| 45 | 14 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 46 | 134 |  | Weather Geeks | Weather Group Television | |
| 47 | 12 | W | WSL PURE | One Ocean | WSL Studios | |
| 48 | 12 | M | Moonstruck | DraftHouse Media | |
| 49 | 4 |  | Outside/In | NHPR | |
| 50 | 5 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 51 | 14 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 52 | 8 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 53 | — | C | Cannabis Cultivation and Science Podcast | Tad Hussey | |
| 54 | 3 |  | 6 Ranch Podcast | James Nash | |
| 55 | 6 | T | The Genetics Podcast | Sano Genetics | |
| 56 | 13 |  | The Science of Everything Podcast | James Fodor | |
| 57 | 9 |  | Strange Animals Podcast | Katherine Shaw | |
| 58 | 17 | L | Living With Autism | La Trobe University | |
| 59 | 5 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 60 | 18 |  | Homesteading and Permaculture by Paul Wheaton | paul wheaton | |
| 61 | 32 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 62 | 12 | C | CARTA - Anthropogeny (Audio) | UCTV | |
| 63 | 14 | P | Palaeocast | Palaeocast | |
| 64 | 13 | N | NASA ScienceCasts | NASA Science | |
| 65 | 13 | S | Sciware سايوير | محمد قاسم | |
| 66 | 49 |  | Alien Encounters | Science Channel | |
| 67 | 14 | B | Branch Out | Botanic Gardens of Sydney | |
| 68 | 28 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 69 | 13 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 70 | 11 |  | Untold Radio Network | Untold Radio Network | |
| 71 | 7 | C | Cheap Astronomy Podcasts | Steve Nerlich | |
| 72 | 6 |  | ExtinctZoo | ExtinctZoo | |
| 73 | 11 | S | So You Want to Be a Marine Biologist | K. G. Muzia | |
| 74 | 7 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 75 | 14 | 原 | 原来是这样 Dscience | 原来是这样 Dscience | |
| 76 | 13 |  | Paleo Nerds | paleonerds | |
| 77 | 2 | 不 | 不成气候No Such Climate | 不成气候NoSuchClimate | |
| 78 | 21 | O | omega tau - English only | Markus Voelter, Nora Ludewig | |
| 79 | 7 | P | Project Botany | David Brooksby | |
| 80 | 3 | T | The Immunology Podcast | The Immunology Podcast | |
| 81 | — | E | Elements | Particle WA | |
| 82 | — |  | Eons: Surviving Deep Time | PBS | |
| 83 | 14 | O | Oceanlovers Podcast | Kirstie | |
| 84 | 7 | F | Facet Nation: A Gemmology Podcast | Facet Nation | |
| 85 | 17 |  | Patient Zero | NHPR | |
| 86 | 16 |  | SunCast | Nico Johnson | |
| 87 | 68 | T | Tinfoil Tales | Brandon Wright | |
| 88 | 62 |  | Permaculture P.I.M.P.cast | Permaculture P.I.M.P.cast | |
| 89 | 2 |  | Shark Week: The Podcast | Discovery | |
| 90 | 63 | N | New Books in Environmental Studies | Marshall Poe | |
| 91 | 18 | A | A-Pod Cast For Killer Whales | Alison Morrow | |
| 92 | 18 | 과 | 과학이 빛나는 밤에 | 준호의숲 | |
| 93 | 9 | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 94 | 22 | T | Tom Nelson | Thomas Nelson | |
| 95 | 19 | O | Oxford Sparks Big Questions | Oxford Sparks | |
| 96 | 25 |  | In Research Of | William Blake Smith | |
| 97 | 7 | T | The Humble Hoof | Alicia Harlov | |
| 98 | 18 | S | Sustainable World Radio- Ecology and Permaculture Podcast | Jill Cloutier | |
| 99 | 92 | H | Heartwood Podcast | Rowan Reid | |
| 100 | 11 | T | Totally Cooked: The Climate & Weather Podcast | ARC Centre of Excellence for 21st Century Weather | |
