| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 2 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 4 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 4 | — |  | UFO Chronicles Podcast | Nik Hunter | |
| 5 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 5 | 5 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 5 | 2 |  | The Common Descent Podcast | Common Descent | |
| 7 | — |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 7 | 1 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 9 | 3 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 10 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 11 | 4 |  | Origin Stories | The Leakey Foundation | |
| 12 | 3 |  | Believing the Bizarre: Paranormal Podcast | Tyler and Charlie | |
| 14 | 3 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 14 | 11 |  | Ask a Spaceman! | Paul M. Sutter | |
| 15 | 1 |  | Paranormal Portal | Brent Thomas | |
| 15 | 4 | T | The Pasture Pod | Michael Blanche | |
| 16 | 6 |  | Robinson's Podcast | Robinson Erhardt | |
| 16 | — | P | Palaeocast | Palaeocast | |
| 17 | 11 |  | The Numberphile Podcast | Brady Haran | |
| 17 | — | M | Making Science with Tom Whipple | The Times | |
| 19 | 2 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 21 | 123 | S | So You Want to Be a Marine Biologist | K. G. Muzia | |
| 22 | 2 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 23 | 6 |  | The Science of Everything Podcast | James Fodor | |
| 24 | 8 | S | SCOPS Podcast | Sustainable Control of Parasites in Sheep (SCOPS) | |
| 24 | 1 |  | Strange Animals Podcast | Katherine Shaw | |
| 26 | 7 | W | What The Duck?! | ABC | |
| 26 | 6 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 28 | 7 |  | The Science Show | ABC | |
| 28 | 8 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 29 | 3 |  | Most Terrifying Places in America | Travel Channel | |
| 29 | 10 | Z | ZSL Wild Science Podcast | Zoological Society of London | |
| 30 | 29 |  | Outside/In | NHPR | |
| 31 | — | G | Great Moments In Science | ABC | |
| 31 | — | P | Plants and Pipettes | Joram Schwartzmann and Tegan Armarego-Marriott | |
| 32 | 13 |  | Manifold | Steve Hsu | |
| 32 | 49 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 33 | 40 |  | Patient Zero | NHPR | |
| 33 | — | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 34 | — | O | Oil & Gas Journal ReEnterprised | Endeavor Business Media | |
| 34 | 15 |  | From The Shadows | Shane Grove | |
| 34 | 44 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 35 | 89 |  | P.E.E.P. Podcast (People Experiencing Everyday Paranormal) | Nicolle Morock | |
| 36 | 8 | T | Tom Nelson | Thomas Nelson | |
| 36 | 110 | T | The Lab Coats & Life™ Podcast | The Lab Coats & Life™ Podcast | |
| 37 | — |  | The Swiss Connection | SWI swissinfo.ch | |
| 37 | 7 | M | Mushroom Revival Podcast | Alex Dorr | |
| 38 | 11 | T | The Naked Mole Rat | libo/libo | |
| 39 | — | T | The Atomic Show | Rod Adams - Atomic Insights | |
| 39 | 7 | B | Brain Matters | Brain Matters Neuroscience | |
| 40 | 3 |  | Shark Week: The Podcast | Discovery | |
| 42 | 17 | D | Digital Pathology Podcast | Aleksandra Zuraw, DVM, PhD | |
| 43 | 1 |  | SunCast | Nico Johnson | |
| 43 | 4 |  | MonsterTalk | Blake Smith | |
| 44 | 5 | A | Andromeda | Drugi program Hrvatskoga radija | |
| 45 | 9 | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 48 | 20 |  | Night Science | Itai Yanai & Martin Lercher | |
| 49 | 23 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 49 | — | F | Fauna | Zoos Victoria | |
| 50 | 31 | A | About Sustainability… | Institute for Global Environmental Strategies | |
| 50 | — | B | Behind the Scenes at the San Francisco Zoo | San Francisco Zoo | |
| 51 | 22 |  | ExtinctZoo | ExtinctZoo | |
| 52 | 9 |  | BrainStuff | iHeartPodcasts | |
| 53 | 24 | E | Evolution Talk | Rick Coste | |
| 54 | 23 | T | The Overshoot Conference Podcast | Kurzschlussredaktion OG and International Institute for Applied Systems Analysis (IIASA) | |
| 55 | 5 |  | Eons: Surviving Deep Time | PBS | |
| 55 | 20 | W | What Makes You Click? | Daniel Mills | |
| 56 | 25 | S | SETI Live | SETI Institute | |
| 57 | 27 | S | Shepherds of the Wild Podcast | Tom Opre | |
| 57 | — | T | The National Forest Podcast | The National Forest | |
| 58 | 6 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 58 | 29 | S | Science(ish) | Auddy | |
| 59 | 25 |  | Homesteading and Permaculture by Paul Wheaton | paul wheaton | |
| 60 | 18 | 科 | 科学史评话最新专辑 | 科学史评话 | |
| 61 | 17 | 汪 | 汪诘：科学有故事（主打） | 科学有故事 | |
| 62 | 35 | ن | نکته زیست (آموزش زیست کنکور) | Ruhollah | |
| 62 | 28 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 63 | 17 | T | The Vet Tech Cafe's Podcast | Vet Tech Cafe | |
| 64 | 27 | T | The Grass Factor | The Grass Factor | |
| 66 | 13 | T | Tinfoil Tales | Brandon Wright | |
| 66 | 35 | M | Met Office - Podcasts | Met Office | |
| 67 | 1 | C | Cheap Astronomy Podcasts | Steve Nerlich | |
| 68 | 41 | A | Air Quality Matters | Simon Jones | |
| 69 | 44 | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 71 | 16 | P | PolliNation Podcast | Andony Melathopoulos | |
| 71 | 6 |  | Untold Radio Network | Untold Radio Network | |
| 72 | 19 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 73 | 45 | P | Paws & Reward Podcast | Marissa Martino, CDBC, CTC | |
| 74 | 13 | K | Kozmofizika | Dávid Gyula | |
| 75 | 10 |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 76 | 18 | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 77 | 38 |  | Brain Inspired | Paul Middlebrooks | |
| 78 | 46 | C | Counting the Earth | Counting the Earth | |
| 80 | 14 |  | BirdNote Daily | BirdNote | |
| 81 | 82 | A | Authentic Biochemistry | Dr Daniel J. Guerra | |
| 82 | 15 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 86 | 10 |  | Main Engine Cut Off | Anthony Colangelo | |
| 87 | 33 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
