| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — | W | What The Duck?! | ABC | |
| 3 | — |  | The Science Show | ABC | |
| 4 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 5 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 5 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 7 | — |  | The Michael Shermer Show | Michael Shermer | |
| 7 | 2 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 7 | 20 | C | Cliffhanger Paranormal and Cryptid Encounters | Ben Clifford | |
| 8 | — | B | Big Sky Country | Bush Heritage Australia | |
| 8 | 2 |  | Paranormal Portal | Brent Thomas | |
| 11 | 17 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 11 | — |  | UFO Chronicles Podcast | Nik Hunter | |
| 12 | 14 | G | Great Moments In Science | ABC | |
| 12 | — |  | The Common Descent Podcast | Common Descent | |
| 13 | — |  | The Science of Everything Podcast | James Fodor | |
| 13 | 6 |  | Ask a Spaceman! | Paul M. Sutter | |
| 13 | 34 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 14 | — | N | Nature Track | ABC | |
| 15 | 1 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 15 | — |  | In Defense of Plants Podcast | In Defense of Plants | |
| 17 | — |  | Origin Stories | The Leakey Foundation | |
| 17 | 24 |  | Outside/In | NHPR | |
| 18 | — | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 20 | — |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 20 | 18 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 21 | 13 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 21 | — | A | Aussie Wildlife Show | Aussie Wildlife Show | |
| 22 | 30 | T | The Science Show - Separate stories podcast | ABC | |
| 22 | — |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 23 | — | F | Fresh Thinking by Snowden Optiro | Snowden Optiro | |
| 24 | 55 | S | Stockyard Sessions | Atlas Ag | |
| 24 | — | F | Farmers Helping Farmers | VicNoTill | |
| 25 | — | Y | Yara's Crop Nutrition podcast | Yara | |
| 26 | 4 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 27 | 69 | T | The HSC Biology Podcast | HSCbiology | |
| 28 | 17 | O | Off Track | ABC | |
| 29 | 162 | O | Oxford Sparks Big Questions | Oxford Sparks | |
| 29 | — |  | Eons: Surviving Deep Time | PBS | |
| 30 | 42 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 30 | 110 | T | The Fibre Frontier | Dr Mark Ferguson | |
| 31 | — | S | Sustainable World Radio- Ecology and Permaculture Podcast | Jill Cloutier | |
| 32 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 32 | — | S | Sustainability Further | Banish | |
| 33 | — | B | Branch Out | Botanic Gardens of Sydney | |
| 34 | 148 | 科 | 科学星球 | BOX孙彬 | |
| 35 | — |  | The Numberphile Podcast | Brady Haran | |
| 35 | 141 | 天 | 天方烨谈 | 基因频道 | |
| 36 | 14 |  | MonsterTalk | Blake Smith | |
| 36 | — | T | Tom Nelson | Thomas Nelson | |
| 36 | — |  | Homesteading and Permaculture by Paul Wheaton | paul wheaton | |
| 37 | — | R | Research Perch | Massage Therapy Foundation | |
| 37 | — |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 39 | — | S | So You Want to Be a Marine Biologist | K. G. Muzia | |
| 39 | 7 |  | BirdNote Daily | BirdNote | |
| 39 | — |  | Alien Encounters | Science Channel | |
| 41 | 13 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 42 | — | E | EarthChat | BEAM Mitchell Environment Group Inc | |
| 43 | — |  | Natural Resources University | Collaboration of land-grant universities | |
| 44 | 9 | A | ADHD + ASD Sounds | Study Sleep Soothe | |
| 44 | — | T | The Urban Chicken Podcast - The Urbanite's Podcast Resource for Keeping Backyard Chickens | Jen Pitino: Urban Chicken-keeper & Backyard Chicken Enthusiast | |
| 47 | 1 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 47 | 2 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 49 | 36 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 50 | 16 |  | Patient Zero | NHPR | |
| 51 | — |  | In Research Of | William Blake Smith | |
| 51 | 16 | T | The Building Sciology Poddie | Jess Kismet | |
| 53 | — | T | Totally Cooked: The Climate & Weather Podcast | ARC Centre of Excellence for 21st Century Weather | |
| 53 | 15 | N | New Books in Environmental Studies | Marshall Poe | |
| 54 | 16 |  | Permaculture P.I.M.P.cast | Permaculture P.I.M.P.cast | |
| 55 | 26 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 55 | — | T | The Beljanski Cancer Talk Show | The Beljanski Foundation | |
| 56 | — |  | Paleo Nerds | paleonerds | |
| 56 | 22 | T | The Lab Coats & Life™ Podcast | The Lab Coats & Life™ Podcast | |
| 57 | — |  | Ask MIT Climate | MIT Climate Project | |
| 58 | — |  | Brain Inspired | Paul Middlebrooks | |
| 59 | — | T | This Week in Evolution | Vincent Racaniello | |
| 60 | — | ع | عصر حجر | Siavash Saffarianpour | |
| 61 | 4 | 原 | 原来是这样 Dscience | 原来是这样 Dscience | |
| 61 | — |  | Chiller Room Secrets: the stories behind the Australian meat industry’s quest for perfection | Australian Intercollegiate Meat Judging Association | |
| 62 | — | T | The Biology of Superheroes Podcast | Dr. Shane Campbell-Staton and Arien Darby | |
| 63 | 13 | 汪 | 汪洁：时间的形状 | 科学有故事 | |
| 64 | — |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 64 | 13 | B | BirdNote Presents | BirdNote | |
| 65 | 9 |  | 6 Ranch Podcast | James Nash | |
| 66 | 12 | E | Earth Science Podcast | Catarina Ruiz Mello | |
| 66 | 5 | K | K9 Conservationists | Kayla Fratt | |
| 67 | 6 | T | The Al & Juddy Show | Agricom | |
| 69 | 29 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 69 | — | P | Palaeocast | Palaeocast | |
| 71 | 17 |  | SunCast | Nico Johnson | |
| 71 | 24 | O | omega tau - English only | Markus Voelter, Nora Ludewig | |
| 71 | 11 | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 73 | 7 | T | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 74 | 19 |  | Untold Radio Network | Untold Radio Network | |
| 74 | 1 | E | Evolution Talk | Rick Coste | |
| 78 | 46 |  | BrainStuff | iHeartPodcasts | |
| 79 | 5 | W | Whale Tales Podcast | Whale Tales | |
| 80 | 3 | ( | (don't) Waste Water! | Water Tech to Solve the World | Antoine Walter | |
| 81 | 10 |  | Haunted America | Haunted America | |
