| 1 | — |  | The Swiss Connection | SWI swissinfo.ch | |
| 2 | 1 |  | Radiolab | WNYC Studios | |
| 3 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 4 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 4 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 6 | 1 |  | The Michael Shermer Show | Michael Shermer | |
| 6 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 7 | 2 |  | UFO Chronicles Podcast | Nik Hunter | |
| 7 | 1 |  | The Common Descent Podcast | Common Descent | |
| 10 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 11 | — |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 11 | 5 |  | Strange Animals Podcast | Katherine Shaw | |
| 11 | 1 |  | The Science of Everything Podcast | James Fodor | |
| 12 | 1 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 12 | 2 |  | Paranormal Portal | Brent Thomas | |
| 13 | 1 |  | The Science Show | ABC | |
| 14 | 1 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 14 | 4 | M | Making Science with Tom Whipple | The Times | |
| 16 | 1 | T | Tom Nelson | Thomas Nelson | |
| 18 | 5 | W | What The Duck?! | ABC | |
| 19 | 8 |  | Origin Stories | The Leakey Foundation | |
| 20 | 2 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 21 | 5 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 21 | 5 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 22 | 2 |  | Manifold | Steve Hsu | |
| 22 | 5 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 23 | 75 | U | Upper Onny Farmers Podcast | Matt Sankey | |
| 23 | 6 | P | Palaeocast | Palaeocast | |
| 24 | 18 |  | Robinson's Podcast | Robinson Erhardt | |
| 24 | 3 |  | The Numberphile Podcast | Brady Haran | |
| 25 | 8 |  | BirdNote Daily | BirdNote | |
| 26 | — | D | Deep Science | Deutschlandfunk | |
| 27 | 3 |  | MonsterTalk | Blake Smith | |
| 29 | — |  | BrainStuff | iHeartPodcasts | |
| 29 | 19 | O | Oxford Sparks Big Questions | Oxford Sparks | |
| 29 | 75 | F | Facet Nation: A Gemmology Podcast | Facet Nation | |
| 31 | 7 |  | From The Shadows | Shane Grove | |
| 32 | 11 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 33 | 7 |  | Apes Among Us | NAWAC | |
| 33 | 10 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 34 | 3 |  | Weather Geeks | Weather Group Television | |
| 36 | 63 | B | Brain Matters | Brain Matters Neuroscience | |
| 36 | 6 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 38 | — | S | Superduperstitious | Wyatt Shell and Jake Withee | |
| 38 | 35 | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 38 | — | 과 | 과장창 : 모두에게 과학이 필요한 시간 | 팟빵 | |
| 39 | — |  | Brain Inspired | Paul Middlebrooks | |
| 40 | 9 | I | It All Starts Here | UCL Podcasts | |
| 40 | 71 | T | The Humble Hoof | Alicia Harlov | |
| 41 | 5 | T | The Pasture Pod | Michael Blanche | |
| 41 | 6 |  | Untold Radio Network | Untold Radio Network | |
| 42 | 76 |  | Shark Week: The Podcast | Discovery | |
| 42 | 10 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 43 | 3 |  | Main Engine Cut Off | Anthony Colangelo | |
| 44 | 24 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 44 | 10 | S | SCOPS Podcast | Sustainable Control of Parasites in Sheep (SCOPS) | |
| 45 | 39 | T | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 45 | — | H | Heartwood Podcast | Rowan Reid | |
| 45 | 5 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 46 | — | T | The Fisheries Podcast | A team of fisheries scientists | |
| 47 | 3 | W | Whale Tales Podcast | Whale Tales | |
| 47 | — | O | Outdoor Lives by Mike Raine | Mike Raine | |
| 48 | 9 |  | Night Science | Itai Yanai & Martin Lercher | |
| 49 | 7 | K | Kozmofizika | Dávid Gyula | |
| 49 | 13 | W | Waterfall - Saving Water Podcast | CCW - The Consumer Council For Water | |
| 52 | 2 | V | Viced Rhino: The Podcast | Viced Rhino | |
| 53 | 12 | T | The myCOW Podcast | myCOW | |
| 54 | 11 | T | The Biology of Superheroes Podcast | Dr. Shane Campbell-Staton and Arien Darby | |
| 55 | 7 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 55 | 15 |  | Eons: Surviving Deep Time | PBS | |
| 58 | 3 | T | The Genetics Podcast | Sano Genetics | |
| 59 | 11 | S | Science(ish) | Auddy | |
| 59 | 16 |  | Outside/In | NHPR | |
| 60 | 13 | す | すごい進化ラジオ | 鈴木 紀之（昆虫生態学者） | |
| 61 | 8 | S | Surprisingly Brilliant | Seeker | |
| 62 | — | S | Synapsen – ein Wissenschaftspodcast | NDR Info | |
| 64 | 5 | C | Cheap Astronomy Podcasts | Steve Nerlich | |
| 64 | 13 | B | BASIS Agronomy Matters | BASIS Registration | |
| 64 | 3 |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 65 | 23 | E | Eureka! | Stak | |
| 66 | 5 | S | Squatch-D TV | Steve Kulls | |
| 67 | 12 | T | The 'Perfect' Specimen | The Natural History Museum, London | |
| 68 | 3 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 68 | 4 | C | Cincinnati Zoo Tales | cincinnatizoo | |
| 69 | 8 | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 70 | 10 | W | Walkabout the Galaxy | Joshua Colwell, Adrienne Dove, and James Cooney | |
| 71 | 2 |  | TILclimate | MIT Environmental Solutions Initiative | |
| 72 | 9 | S | SETI Live | SETI Institute | |
| 73 | 9 | T | The Immunology Podcast | The Immunology Podcast | |
| 74 | — |  | 6 Ranch Podcast | James Nash | |
| 75 | 10 | 天 | 天方烨谈 | 基因频道 | |
| 76 | 5 | T | The Digestive System | Izzy Urbano | |
| 77 | 10 |  | Ask MIT Climate | MIT Climate Project | |
| 78 | 10 | B | Big Sky Country | Bush Heritage Australia | |
| 79 | 3 |  | Most Terrifying Places in America | Travel Channel | |
| 79 | 25 | W | Wild Animals | Roland Kays | |
| 80 | 11 | D | Don't Panic Geocast | John Leeman and Shannon Dulin | |
| 81 | — | T | The Regenerative Agroforestry Podcast | Dimitri Tsitos & Etienne Compagnon | |
| 82 | 17 | T | The Reality Check | The Reality Check | |
| 84 | — |  | ExtinctZoo | ExtinctZoo | |
