| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | 1 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 2 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 4 | 1 |  | The Common Descent Podcast | Common Descent | |
| 4 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 6 | 1 |  | The Michael Shermer Show | Michael Shermer | |
| 7 | 2 |  | Origin Stories | The Leakey Foundation | |
| 9 | 2 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 10 | 1 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 11 | 1 |  | Ask a Spaceman! | Paul M. Sutter | |
| 11 | 3 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 12 | 3 |  | Paranormal Portal | Brent Thomas | |
| 13 | — |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 15 | 2 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 16 | 5 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 16 | 7 |  | Robinson's Podcast | Robinson Erhardt | |
| 17 | 3 |  | The Science of Everything Podcast | James Fodor | |
| 17 | 3 | M | Making Science with Tom Whipple | The Times | |
| 18 | 5 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 19 | 3 |  | Outside/In | NHPR | |
| 20 | — | T | The Genetics Podcast | Sano Genetics | |
| 20 | 2 | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 20 | 4 |  | Manifold | Steve Hsu | |
| 21 | 2 |  | MonsterTalk | Blake Smith | |
| 21 | 3 | T | Tom Nelson | Thomas Nelson | |
| 22 | 6 |  | The Science Show | ABC | |
| 23 | 15 | W | What The Duck?! | ABC | |
| 26 | 1 |  | Ask MIT Climate | MIT Climate Project | |
| 27 | 113 | P | Palaeocast | Palaeocast | |
| 27 | — | T | The Regenerative Agroforestry Podcast | Dimitri Tsitos & Etienne Compagnon | |
| 29 | 27 |  | Brain Inspired | Paul Middlebrooks | |
| 29 | — |  | ExtinctZoo | ExtinctZoo | |
| 31 | 10 | O | Outdoor Lives by Mike Raine | Mike Raine | |
| 32 | 1 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 34 | 9 |  | BirdNote Daily | BirdNote | |
| 36 | 10 | T | The Pasture Pod | Michael Blanche | |
| 37 | 11 | Z | ZSL Wild Science Podcast | Zoological Society of London | |
| 38 | 16 | Z | ZSL Wild Science Podcast | Zoological Society of London | |
| 38 | 142 | Q | Quantum Field Theory with Dr. Rodeny A. Brooks | Dr. Rodney A. Brooks | |
| 39 | — | S | Science... sort of | Ryan Haupt | |
| 39 | 6 |  | The Numberphile Podcast | Brady Haran | |
| 41 | 11 | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 42 | 15 | H | Habitat loss with David Attenborough | Veer Jain | |
| 43 | 6 |  | Eons: Surviving Deep Time | PBS | |
| 44 | 19 | F | Facet Nation: A Gemmology Podcast | Facet Nation | |
| 44 | 20 |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 44 | 7 | A | AnthroBiology Podcast | Gaby Lapera | |
| 45 | 22 | C | Cheap Astronomy Podcasts | Steve Nerlich | |
| 46 | 24 | S | Synapsen – ein Wissenschaftspodcast | NDR Info | |
| 46 | 10 |  | Main Engine Cut Off | Anthony Colangelo | |
| 49 | 27 |  | Strange Animals Podcast | Katherine Shaw | |
| 49 | 6 | T | The Humble Hoof | Alicia Harlov | |
| 49 | 22 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 52 | 21 | W | Waterfall Rapids | CCW - The Consumer Council For Water | |
| 53 | 22 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 53 | 15 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 53 | 19 |  | Untold Radio Network | Untold Radio Network | |
| 56 | 3 |  | BrainStuff | iHeartPodcasts | |
| 57 | 14 | V | Viced Rhino: The Podcast | Viced Rhino | |
| 57 | 29 | W | What Makes You Click? | Daniel Mills | |
| 58 | 6 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 58 | 25 | B | Bred to Perfection | Kenny Troiano | |
| 59 | 25 | B | BASIS Agronomy Matters | BASIS Registration | |
| 60 | 30 | C | Cryptid Campfire | Cryptid Campfire | |
| 60 | 25 |  | AstrotalkUK | Gurbir Singh | |
| 61 | 29 | M | Motivational Interviewing & Beyond | Joel Porter & Steve Rollnick | |
| 63 | 8 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 64 | 18 | Б | Буде тобі наука | Kunsht/Куншт | |
| 65 | 12 | E | Eureka! | Stak | |
| 67 | 12 | I | Intertek's Assurance in Action Podcast Network | Intertek | |
| 68 | 19 | S | So You Want to Be a Marine Biologist | K. G. Muzia | |
| 71 | 14 | N | Naturally Speaking | IBAHCM | |
| 73 | 19 |  | Plastic Plesiosaur Podcast | Miles Greb | |
| 74 | 19 | S | SilviCast | Wisconsin Forestry Center and Wisconsin Department of Natural Resources | |
| 75 | — |  | Night Science | Itai Yanai & Martin Lercher | |
| 75 | 15 | W | When Science Speaks | Mark Bayer | |
| 76 | 56 | 原 | 原来是这样 Dscience | 原来是这样 Dscience | |
| 77 | 19 | T | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 77 | 15 |  | Science unscripted | DW | |
| 77 | 15 | T | The Vet Tech Cafe's Podcast | Vet Tech Cafe | |
| 78 | 15 | T | This Week in Evolution | Vincent Racaniello | |
| 79 | 37 | T | The Naked Mole Rat | libo/libo | |
| 79 | 5 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 81 | 29 |  | SunCast | Nico Johnson | |
| 82 | 16 | A | Asimov Press | Asimov Press | |
| 83 | 14 |  | Shark Week: The Podcast | Discovery | |
| 84 | 15 | W | Waterfall - Saving Water Podcast | CCW - The Consumer Council For Water | |
| 85 | — | C | Cryptid Warfare | Drewski | |
| 85 | 110 | C | CountryWide | RTÉ Radio 1 | |
| 86 | 14 |  | 6 Ranch Podcast | James Nash | |
| 86 | 30 | N | New Books in Environmental Studies | Marshall Poe | |
| 87 | 10 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 88 | 24 | C | Curiosity Unbounded | Massachusetts Institute of Technology (MIT) | |
| 90 | 16 | T | Talk of the Thames | Thames Estuary Partnership | |
| 90 | 29 | T | The University of Edinburgh: The University of Edinburgh | The University of Edinburgh | |
| 91 | 25 |  | The Swiss Connection | SWI swissinfo.ch | |
| 92 | 17 | M | MIT News | Massachusetts Institute of Technology (MIT) | |
| 93 | 15 | G | Grow the future | Yara Agronomy Team | |
| 93 | 17 | T | The Mercast | Plastic Free Mermaid talks Change Making | Kate Nelson, The Plastic Free Mermaid | |
| 94 | 17 | C | CARTA - Anthropogeny (Audio) | UCTV | |
