| 1 | 1 |  | Radiolab | WNYC Studios | |
| 2 | 1 |  | The Science Show | ABC | |
| 3 | — | W | What The Duck?! | ABC | |
| 4 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 5 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 6 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 7 | 3 |  | The Common Descent Podcast | Common Descent | |
| 8 | 1 |  | The Michael Shermer Show | Michael Shermer | |
| 9 | 2 | T | The Science Show - Separate stories podcast | ABC | |
| 10 | 1 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 11 | 3 |  | UFO Chronicles Podcast | Nik Hunter | |
| 12 | 4 | N | Nature Track | ABC | |
| 13 | 6 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 14 | 1 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 15 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 16 | 130 |  | Main Engine Cut Off | Anthony Colangelo | |
| 17 | 14 |  | BirdNote Daily | BirdNote | |
| 18 | 11 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 19 | 7 |  | Paranormal Portal | Brent Thomas | |
| 20 | 6 | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 21 | 4 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 22 | 6 |  | Outside/In | NHPR | |
| 23 | 6 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 24 | 2 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 25 | 5 | C | Cliffhanger Paranormal and Cryptid Encounters | Ben Clifford | |
| 26 | 4 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 27 | 23 |  | Eons: Surviving Deep Time | PBS | |
| 28 | 11 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 29 | 11 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 30 | 3 |  | Origin Stories | The Leakey Foundation | |
| 31 | 135 | A | Aussie Wildlife Show | Aussie Wildlife Show | |
| 32 | 2 | P | Palaeocast | Palaeocast | |
| 33 | 1 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 34 | 10 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 35 | 12 | B | Big Sky Country | Bush Heritage Australia | |
| 36 | 15 | T | Totally Cooked: The Climate & Weather Podcast | ARC Centre of Excellence for 21st Century Weather | |
| 37 | 14 |  | BrainStuff | iHeartPodcasts | |
| 38 | 15 | H | History of the Earth | Richard I. Gibson | |
| 39 | 7 |  | Strange Animals Podcast | Katherine Shaw | |
| 40 | 2 | F | Farmers Helping Farmers | VicNoTill | |
| 41 | 9 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 42 | 6 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 43 | 17 |  | The Numberphile Podcast | Brady Haran | |
| 44 | 3 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 45 | 23 |  | Brain Inspired | Paul Middlebrooks | |
| 46 | 6 | F | Facet Nation: A Gemmology Podcast | Facet Nation | |
| 47 | 12 | T | The Genetics Podcast | Sano Genetics | |
| 48 | — | S | Sekcja teorii spiskowych. Podcast Crazy Nauka | Polskie Radio S.A. | |
| 49 | 16 | T | The HSC Biology Podcast | HSCbiology | |
| 50 | 17 | T | The Building Sciology Poddie | Jess Kismet | |
| 51 | — | S | Slaying Monsters | Slaying Monsters | |
| 52 | 8 | G | Great Moments In Science | ABC | |
| 53 | 20 | 老 | 老高与小茉 | 最全专辑 | 修音去尾完美版 | Mr大狼 | |
| 54 | 9 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 55 | 4 |  | In Research Of | William Blake Smith | |
| 56 | 13 | V | Viced Rhino: The Podcast | Viced Rhino | |
| 57 | 18 | W | Walkabout the Galaxy | Joshua Colwell, Adrienne Dove, and James Cooney | |
| 58 | 4 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 59 | 6 |  | Robinson's Podcast | Robinson Erhardt | |
| 60 | 18 | B | Branch Out | Botanic Gardens of Sydney | |
| 61 | 13 |  | The Science of Everything Podcast | James Fodor | |
| 62 | 15 |  | Night Science | Itai Yanai & Martin Lercher | |
| 63 | 15 | T | The myCOW Podcast | myCOW | |
| 64 | 15 | ع | عصر حجر | Siavash Saffarianpour | |
| 65 | — | I | Idiots' Guide to Black Holes | Zachary Wong | |
| 66 | 5 | B | Blazing the Trail | University of Sydney / Australian Museum / Break Thru Films | |
| 67 | 15 | T | The Pasture Pod | Michael Blanche | |
| 68 | 25 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 69 | 32 | E | Evolution Talk | Rick Coste | |
| 70 | 16 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 71 | 7 | J | Just Ecology | Karl Just | |
| 72 | 17 | D | Dry Season Resources | Grower Group Alliance & The South-West WA Drought Resilience Adoption and Innovation Hub | |
| 73 | 7 | T | The Immunology Podcast | The Immunology Podcast | |
| 74 | 16 | T | Tom Nelson | Thomas Nelson | |
| 75 | 12 |  | MonsterTalk | Blake Smith | |
| 76 | 29 | F | Fresh Thinking by Snowden Optiro | Snowden Optiro | |
| 77 | 17 | C | Cheap Astronomy Podcasts | Steve Nerlich | |
| 78 | 21 | 天 | 天方烨谈 | 基因频道 | |
| 79 | — | F | F.A.Z. Wissen | Frankfurter Allgemeine Zeitung | |
| 80 | 24 | O | Off Track | ABC | |
| 81 | 24 | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 82 | 3 |  | Patient Zero | NHPR | |
| 83 | 10 |  | Untold Radio Network | Untold Radio Network | |
| 84 | 24 | T | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 85 | 3 |  | Paleo Nerds | paleonerds | |
| 86 | 4 | S | Sustainable World Radio- Ecology and Permaculture Podcast | Jill Cloutier | |
| 87 | 15 |  | Manifold | Steve Hsu | |
| 88 | 27 | L | Living With Autism | La Trobe University | |
| 89 | 8 | O | OzCast | OzFish Unlimited | |
| 90 | 37 | P | Permaculture P.I.M.P.cast | Permaculture P.I.M.P.cast | |
| 91 | 21 |  | Alien Encounters | Science Channel | |
| 92 | 14 | 原 | 原来是这样 Dscience | 原来是这样 Dscience | |
| 93 | 37 | サ | サイエントーク | 研究者レンとイギリス駐在員エマ | |
| 94 | 74 | V | Veterinary Podcast by the VetGurus | Brendan Carmel and Mark Simpson | |
| 95 | 19 | B | Bred to Perfection | Kenny Troiano | |
| 96 | 17 | L | Learn Traditional Chinese Medicine, Functional Medicine and any kinds of Alternative Medicine | Shiho Cierra Fujimaru | |
| 97 | 11 |  | ExtinctZoo | ExtinctZoo | |
| 98 | — | T | The Urban Chicken Podcast - The Urbanite's Podcast Resource for Keeping Backyard Chickens | Jen Pitino: Urban Chicken-keeper & Backyard Chicken Enthusiast | |
| 99 | 16 |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 100 | 20 | C | Climate Connections | Yale Center for Environmental Communication | |
