| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | The Science Show | ABC | |
| 3 | — |  | What The Duck?! | ABC | |
| 4 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 5 | 1 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 6 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 7 | 4 |  | Cliffhanger Paranormal and Cryptid Encounters | Ben Clifford | |
| 8 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 9 | — |  | The Common Descent Podcast | Common Descent | |
| 10 | 7 |  | Ask a Spaceman! | Paul M. Sutter | |
| 11 | 4 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 12 | 2 |  | UFO Chronicles Podcast | Nik Hunter | |
| 13 | 9 |  | Paranormal Portal | Brent Thomas | |
| 14 | — |  | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 15 | 31 |  | Great Moments In Science | ABC | |
| 16 | 2 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 17 | 10 |  | The Michael Shermer Show | Michael Shermer | |
| 18 | 6 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 19 | 6 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 20 | 4 |  | Nature Track | ABC | |
| 21 | 2 |  | Outside/In | NHPR | |
| 22 | 7 |  | Big Sky Country | Bush Heritage Australia | |
| 23 | 3 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 24 | 3 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 25 | 4 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 26 | 46 |  | BrainStuff | iHeartPodcasts | |
| 27 | 30 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 28 | 7 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 29 | 26 |  | ExtinctZoo | ExtinctZoo | |
| 30 | 7 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 31 | 36 |  | Fresh Thinking by Snowden Optiro | Snowden Optiro | |
| 32 | 4 |  | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 33 | 136 |  | Look at Me | The Guardian | |
| 34 | 63 |  | Eons: Surviving Deep Time | PBS | |
| 35 | — |  | The Plasticology Project Podcast | Paul Harvey | |
| 36 | 40 |  | Permaculture P.I.M.P.cast | Permaculture P.I.M.P.cast | |
| 37 | — |  | Human Evolution | Laura Guerrero | |
| 38 | 5 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 39 | 2 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 40 | 8 |  | Robinson's Podcast | Robinson Erhardt | |
| 41 | 3 |  | The HSC Biology Podcast | HSCbiology | |
| 42 | 16 |  | Aussie Wildlife Show | Aussie Wildlife Show | |
| 43 | 12 |  | The Science of Everything Podcast | James Fodor | |
| 44 | 96 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 45 | 7 |  | Totally Cooked: The Climate & Weather Podcast | ARC Centre of Excellence for 21st Century Weather | |
| 46 | 21 |  | MonsterTalk | Blake Smith | |
| 47 | 6 |  | 原来是这样 Dscience | 原来是这样 Dscience | |
| 48 | 14 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 49 | 1 |  | Origin Stories | The Leakey Foundation | |
| 50 | — |  | The Utility Vegetation Management Podcast | Steve Cieslewicz and Nick Ferguson | |
| 51 | — |  | Keep it Civil - UCL Engineering Podcast | UCL CEGE Engineering | |
| 52 | 27 |  | The Bird Emergency | Grant Williams | |
| 53 | 28 |  | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 54 | — |  | Green Adelaide Podcast | Melissa Martin | |
| 55 | 128 |  | The Beljanski Cancer Talk Show | The Beljanski Foundation | |
| 56 | 74 |  | The Genetics Podcast | Sano Genetics | |
| 57 | 29 |  | The Science Show - Separate stories podcast | ABC | |
| 58 | 24 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 59 | — |  | Double Loop Podcast | Glenn Langenburg and Eric Ray | |
| 60 | 128 |  | Paranormal Deep Dive | True Ghost Stories | Real Story Media | |
| 61 | 37 |  | The Building Sciology Poddie | Jess Kismet | |
| 62 | — |  | Tinfoil Tales | Brandon Wright | |
| 63 | 94 |  | The Microbiome Podcast | The American Microbiome Institute | |
| 64 | — |  | Microbe Talk | Microbiology Society | |
| 65 | — |  | Dairy Digressions | ADSA | |
| 66 | — |  | A-Pod Cast For Killer Whales | Alison Morrow | |
| 67 | — |  | The Dinosaur Review for Kids Podcast | Dinosaur Ranger Anthony | |
| 68 | 27 |  | 6 Ranch Podcast | James Nash | |
| 69 | 22 |  | Farmers Helping Farmers | VicNoTill | |
| 70 | 14 |  | Tom Nelson | Thomas Nelson | |
| 71 | 31 |  | Branch Out | Botanic Gardens of Sydney | |
| 72 | 5 |  | Cannabis Cultivation and Science Podcast | Tad Hussey | |
| 73 | 10 |  | Off Track | ABC | |
| 74 | 35 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 75 | 69 |  | The Immunology Podcast | The Immunology Podcast | |
| 76 | 32 |  | The Numberphile Podcast | Brady Haran | |
| 77 | 85 |  | Walkabout the Galaxy | Joshua Colwell, Adrienne Dove, and James Cooney | |
| 78 | 29 |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 79 | — |  | Weather Geeks | Weather Group Television | |
| 80 | 35 |  | BirdNote Daily | BirdNote | |
| 81 | 15 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 82 | — |  | Quantum Mongolia | Quantum Mongolia | |
| 83 | — |  | America Adapts the Climate Change Podcast | Doug Parsons | |
| 84 | 42 |  | Night Science | Itai Yanai & Martin Lercher | |
| 85 | 24 |  | Palaeocast | Palaeocast | |
| 86 | 43 |  | Mushroom Revival Podcast | Alex Dorr | |
| 87 | 39 |  | Bred to Perfection | Kenny Troiano | |
| 88 | 2 |  | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 89 | 16 |  | Living With Autism | La Trobe University | |
| 90 | 36 |  | Sustainable World Radio- Ecology and Permaculture Podcast | Jill Cloutier | |
| 91 | 22 |  | The Humble Hoof | Alicia Harlov | |
| 92 | 22 |  | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 93 | 63 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 94 | 42 |  | サイエントーク | 研究者レンとイギリス駐在員エマ | |
| 95 | 30 |  | In Research Of | William Blake Smith | |
| 96 | 17 |  | Dry Season Resources | Grower Group Alliance & The South-West WA Drought Resilience Adoption and Innovation Hub | |
| 97 | 37 |  | Homesteading and Permaculture by Paul Wheaton | paul wheaton | |
| 98 | 35 |  | The Regenerative Agroforestry Podcast | Dimitri Tsitos & Etienne Compagnon | |
| 99 | — |  | The Naked Mole Rat | libo/libo | |
| 100 | 47 |  | Cheap Astronomy Podcasts | Steve Nerlich | |
