| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 2 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 4 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 5 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 5 | 3 |  | The Michael Shermer Show | Michael Shermer | |
| 5 | 2 |  | Ask a Spaceman! | Paul M. Sutter | |
| 6 | 1 |  | UFO Chronicles Podcast | Nik Hunter | |
| 8 | 7 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 8 | 3 |  | The Common Descent Podcast | Common Descent | |
| 9 | 4 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 11 | 2 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 12 | 3 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 13 | 1 | W | What The Duck?! | ABC | |
| 14 | 3 | O | Oxford Sparks Big Questions | Oxford Sparks | |
| 15 | 1 |  | The Numberphile Podcast | Brady Haran | |
| 16 | 2 |  | Paranormal Portal | Brent Thomas | |
| 16 | 2 |  | The Science of Everything Podcast | James Fodor | |
| 16 | 7 |  | Origin Stories | The Leakey Foundation | |
| 17 | 2 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 17 | 4 |  | The Science Show | ABC | |
| 18 | 54 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 19 | — |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 19 | 3 | M | Making Science with Tom Whipple | The Times | |
| 20 | 12 | S | Science(ish) | Auddy | |
| 20 | 99 |  | Patient Zero | NHPR | |
| 22 | 10 |  | Robinson's Podcast | Robinson Erhardt | |
| 22 | 4 | M | Mushroom Revival Podcast | Alex Dorr | |
| 23 | 9 |  | Most Terrifying Places in America | Travel Channel | |
| 23 | 8 |  | MonsterTalk | Blake Smith | |
| 24 | 5 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 24 | 18 | P | Palaeocast | Palaeocast | |
| 24 | 7 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 25 | 5 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 25 | 2 | T | The Naked Mole Rat | libo/libo | |
| 26 | 13 |  | Main Engine Cut Off | Anthony Colangelo | |
| 26 | 2 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 28 | 4 | T | The Behavioural Ecology and Evolution Podcast (the Beepcast) | noreply@blogger.com (Unknown) | |
| 28 | 6 | T | Tom Nelson | Thomas Nelson | |
| 29 | 2 |  | BirdNote Daily | BirdNote | |
| 29 | 1 |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 29 | 15 | W | Waterfall - Saving Water Podcast | CCW - The Consumer Council For Water | |
| 31 | 27 | A | AnthroBiology Podcast | Gaby Lapera | |
| 32 | 54 |  | Alien Encounters | Science Channel | |
| 32 | 5 | C | Climate Connections | Yale Center for Environmental Communication | |
| 32 | 50 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 33 | 3 | T | The Regenerative Agroforestry Podcast | Dimitri Tsitos & Etienne Compagnon | |
| 33 | 5 |  | Outside/In | NHPR | |
| 34 | 2 | C | CERN - Large Hadron Collider Podcast | yada yada productions | |
| 34 | 9 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 36 | — | V | Viced Rhino: The Podcast | Viced Rhino | |
| 38 | — | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 39 | 9 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 40 | 9 | S | Sekcja teorii spiskowych. Podcast Crazy Nauka | Polskie Radio S.A. | |
| 40 | 65 | C | Curiosity Unbounded | Massachusetts Institute of Technology (MIT) | |
| 41 | 2 | M | MIT News | Massachusetts Institute of Technology (MIT) | |
| 42 | 7 | F | Fermentation Speaker Series | Elisa Caffrey, David Zilber, and Justin Sonnenburg | |
| 42 | 4 | A | Around the World in 80 Trees | Jonathan Drori, Mike Greenwood | |
| 43 | — | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 44 | — | T | Tyndall Talks | Tyndall Centre | |
| 45 | 23 |  | From The Shadows | Shane Grove | |
| 45 | 108 | F | F.A.Z. Wissen | Frankfurter Allgemeine Zeitung | |
| 45 | 73 | 6 | 632nm | Misha Shalaginov, Michael Dubrovsky, Xinghui Yin | |
| 47 | 14 | D | Down The Rabbit Hole | Rafael Ruiz - Dark Mind Radio | |
| 48 | — | L | Laser Spectroscopy Podcast | Peter Beyersdorf | |
| 49 | 17 |  | BrainStuff | iHeartPodcasts | |
| 50 | 30 | T | The 'Perfect' Specimen | The Natural History Museum, London | |
| 52 | — | E | El Método | Luis Quevedo / CUONDA | |
| 52 | 22 | T | The Humble Hoof | Alicia Harlov | |
| 53 | 9 |  | Night Science | Itai Yanai & Martin Lercher | |
| 54 | 88 | A | Applied Mycology | Applied Mycology | |
| 55 | 6 | N | NASA ScienceCasts | NASA Science | |
| 56 | 30 | F | Facet Nation: A Gemmology Podcast | Facet Nation | |
| 57 | 2 | E | Eureka! | Stak | |
| 58 | 30 | E | eanCast: Weekly Neurology | ean.org | |
| 59 | 28 | T | The Genetics Podcast | Sano Genetics | |
| 60 | 24 |  | Paleo Nerds | paleonerds | |
| 62 | 19 | T | The Natural History of Sussex | TheNaturalHistoryofSussex | |
| 63 | 13 | K | Kozmofizika | Dávid Gyula | |
| 63 | — | C | Casual Space | Beth Mund | |
| 63 | 30 | M | Met Office - Podcasts | Met Office | |
| 64 | 9 |  | Eons: Surviving Deep Time | PBS | |
| 65 | 21 | W | Whale Tales Podcast | Whale Tales | |
| 65 | 47 | 老 | 老高与小茉 | 最全专辑 | 修音去尾完美版 | Mr大狼 | |
| 66 | 21 | P | Protect Your Wild Podcast | aldalifestyle | |
| 66 | 27 |  | Brain Inspired | Paul Middlebrooks | |
| 67 | 11 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 67 | 11 | T | The Lab Coats & Life™ Podcast | The Lab Coats & Life™ Podcast | |
| 69 | 29 |  | ExtinctZoo | ExtinctZoo | |
| 70 | 47 |  | Strange Animals Podcast | Katherine Shaw | |
| 72 | 10 |  | Manifold | Steve Hsu | |
| 73 | 10 | W | Walkabout the Galaxy | Joshua Colwell, Adrienne Dove, and James Cooney | |
| 74 | 34 | W | Wild Animals | Roland Kays | |
| 76 | 24 |  | Permaculture P.I.M.P.cast | Permaculture P.I.M.P.cast | |
| 77 | 32 | B | Brain Matters | Brain Matters Neuroscience | |
| 78 | 25 | 科 | 科博揪咪秀 | 國立自然科學博物館 | |
| 79 | 10 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 80 | 33 | G | Green Corridors: Tune in to Nature | St Nicks | |
| 80 | 9 | S | Squatch-D TV | Steve Kulls | |
| 81 | 33 | M | Microbe Talk | Microbiology Society | |
