| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 3 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 4 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 5 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 5 | 1 |  | The Michael Shermer Show | Michael Shermer | |
| 7 | 1 |  | Origin Stories | The Leakey Foundation | |
| 7 | 1 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 9 | — |  | The Common Descent Podcast | Common Descent | |
| 10 | 2 |  | Believing the Bizarre: Paranormal Podcast | Tyler and Charlie | |
| 10 | 20 |  | The Science Show | ABC | |
| 10 | 6 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 10 | 3 |  | Outside/In | NHPR | |
| 10 | 5 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 11 | 3 |  | BirdNote Daily | BirdNote | |
| 11 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 12 | — | T | The Naked Mole Rat | libo/libo | |
| 12 | 1 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 12 | 12 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 13 | 2 |  | Science unscripted | DW | |
| 13 | — |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 16 | 6 |  | ExtinctZoo | ExtinctZoo | |
| 17 | 5 |  | Paranormal Portal | Brent Thomas | |
| 17 | 4 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 18 | 4 | W | What The Duck?! | ABC | |
| 18 | 5 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 20 | 15 |  | Strange Encounters with Rick Burgess | Blaze Podcast Network | |
| 21 | 6 |  | Ask a Spaceman! | Paul M. Sutter | |
| 25 | 1 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 26 | 8 |  | BrainStuff | iHeartPodcasts | |
| 26 | 91 |  | The Numberphile Podcast | Brady Haran | |
| 27 | 6 |  | Eons: Surviving Deep Time | PBS | |
| 27 | 2 | T | The Immunology Podcast | The Immunology Podcast | |
| 27 | — | O | Orbital Path | PRX | |
| 28 | 5 |  | Manifold | Steve Hsu | |
| 29 | 4 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 30 | 125 | T | The Plant a Trillion Trees Podcast | Eva Monheim | |
| 31 | — | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 31 | 37 |  | Alien Encounters | Science Channel | |
| 32 | 4 | B | Brain Matters | Brain Matters Neuroscience | |
| 33 | 4 | D | Double Loop Podcast | Glenn Langenburg and Eric Ray | |
| 34 | 3 | P | PolliNation Podcast | Andony Melathopoulos | |
| 35 | 4 |  | Permaculture P.I.M.P.cast | Permaculture P.I.M.P.cast | |
| 35 | 1 |  | UFO Chronicles Podcast | Nik Hunter | |
| 36 | 10 | N | New Books in Environmental Studies | Marshall Poe | |
| 37 | 10 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 38 | 3 | 6 | 632nm | Misha Shalaginov, Michael Dubrovsky, Xinghui Yin | |
| 39 | 3 | S | Science Education | Leena Thomas | |
| 41 | 6 |  | Good Fire | Amy Cardinal Christianson and Matthew Kristoff | |
| 43 | 5 |  | Shark Week: The Podcast | Discovery | |
| 44 | 15 |  | Most Terrifying Places in America | Travel Channel | |
| 46 | 13 |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 48 | — |  | MonsterTalk | Blake Smith | |
| 48 | 20 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 49 | 9 | T | The Extensionists | Burr Forest Group | |
| 50 | 12 | ژ | ژرفا - Zharfa | Alireza Payandeh | |
| 51 | 3 | T | Thursday Night Crop Talks | GRO | |
| 52 | 5 | T | The Vet Tech Cafe's Podcast | Vet Tech Cafe | |
| 52 | 10 | P | Palaeocast | Palaeocast | |
| 53 | 4 | B | Bred to Perfection | Kenny Troiano | |
| 53 | — |  | Untold Radio Network | Untold Radio Network | |
| 54 | 13 |  | Homesteading and Permaculture by Paul Wheaton | paul wheaton | |
| 55 | 13 | O | Oil & Gas Journal ReEnterprised | Endeavor Business Media | |
| 56 | 4 | N | Naked Oceans, from the Naked Scientists | The Naked Scientists | |
| 57 | 14 | Y | YourForest | Matthew Kristoff | |
| 58 | 13 | T | the OCEAN PROJECT | Canada | |
| 60 | 16 | L | Les grandes étapes de la vie | France Inter | |
| 60 | 10 | T | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 62 | 15 | E | Evolution Talk | Rick Coste | |
| 63 | 8 |  | From The Shadows | Shane Grove | |
| 65 | 15 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 66 | 15 | R | Raincoast Radio | Raincoast Conservation Foundation | |
| 66 | 14 | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 66 | 35 |  | 6 Ranch Podcast | James Nash | |
| 67 | 16 | T | The Field Guides | The Field Guides | |
| 67 | 21 | T | The Humble Hoof | Alicia Harlov | |
| 69 | 13 | C | Cultivez la gestion | CMCA | |
| 70 | 16 | O | Organic Chemistry Help Podcast by AceOrganicChem.com | Michael Pa | |
| 71 | 16 | M | Mendelspod Podcast | Theral Timpson | |
| 72 | 15 | A | AVEAM — Kent Hovind Official YouTube Podcast | Unknown | |
| 74 | — |  | Ken Cook Is Having Another Episode | EWG | |
| 75 | 5 | C | Cryptid Warfare | Drewski | |
| 75 | 32 | T | Tom Nelson | Thomas Nelson | |
| 76 | 6 | L | La Ciencia Pop | Gabriel León | |
| 77 | 14 | T | The Pasture Pod | Michael Blanche | |
| 78 | 14 | A | Air Quality Matters | Simon Jones | |
| 79 | 13 | E | EAT LIKE THE ANIMALS | Stephen Simpson, David Raubenheimer, Charlotte Wood | |
| 79 | 4 |  | Strange Animals Podcast | Katherine Shaw | |
| 80 | 13 |  | P.E.E.P. Podcast | Nicolle Morock | |
| 80 | 5 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 81 | 20 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 81 | 13 | T | The Orbital Mechanics Podcast | David Fourman, Ben Etherington, and Dennis Just | |
| 82 | 13 | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 83 | 12 | B | BioAcoustica Talks Podcast | Unknown | |
| 83 | 5 | W | Walkabout the Galaxy | Joshua Colwell, Adrienne Dove, and James Cooney | |
| 84 | 7 |  | The Science of Everything Podcast | James Fodor | |
| 86 | 16 | W | Whale Tales Podcast | Whale Tales | |
| 87 | 14 | C | Connected | Parks Canada | |
| 89 | 13 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 91 | 16 |  | Paleo Nerds | paleonerds | |
