| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | 13 |  | CountryWide | RTÉ Radio 1 | |
| 3 | 5 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 4 | 1 |  | Learn Traditional Chinese Medicine, Functional Medicine and any kinds of Alternative Medicine | Shiho Cierra Fujimaru | |
| 5 | 3 |  | Ask a Spaceman! | Paul M. Sutter | |
| 6 | 2 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 7 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 8 | 2 |  | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 9 | 2 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 10 | 2 |  | ExtinctZoo | ExtinctZoo | |
| 11 | 2 |  | The Science of Everything Podcast | James Fodor | |
| 12 | 2 |  | Paranormal Portal | Brent Thomas | |
| 13 | 2 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 14 | 1 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 15 | 11 |  | The Science Show | ABC | |
| 16 | — |  | UFO Chronicles Podcast | Nik Hunter | |
| 17 | 3 |  | Outside/In | NHPR | |
| 18 | 4 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 19 | 47 |  | The Numberphile Podcast | Brady Haran | |
| 20 | 1 |  | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 21 | — |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 22 | 6 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 23 | 6 |  | The Michael Shermer Show | Michael Shermer | |
| 24 | 64 |  | The Genetics Podcast | Sano Genetics | |
| 25 | 7 |  | The Common Descent Podcast | Common Descent | |
| 26 | 4 |  | Tom Nelson | Thomas Nelson | |
| 27 | 14 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 28 | 5 |  | Sekcja teorii spiskowych. Podcast Crazy Nauka | Polskie Radio S.A. | |
| 29 | 9 |  | Applied Mycology | Applied Mycology | |
| 30 | 3 |  | 6 Ranch Podcast | James Nash | |
| 31 | 8 |  | Main Engine Cut Off | Anthony Colangelo | |
| 32 | 40 |  | The Moos Room™ | University of Minnesota Extension | |
| 33 | 9 |  | The Mad Scientist Podcast | Evergreen Podcasts | Killer Podcasts | |
| 34 | 3 |  | EdgeCast | Edge Foundation, Inc. | |
| 35 | 7 |  | Radio Paranormalium - wszystkie audycje | Radio Paranormalium | |
| 36 | 11 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 37 | 25 |  | Origin Stories | The Leakey Foundation | |
| 38 | 44 |  | Manifold | Steve Hsu | |
| 39 | 52 |  | Rätsel der Wissenschaft | DER STANDARD | |
| 40 | 10 |  | Буде тобі наука | Kunsht/Куншт | |
| 41 | 5 |  | Brain Inspired | Paul Middlebrooks | |
| 42 | 37 |  | The Pasture Pod | Michael Blanche | |
| 43 | 14 |  | Palaeo After Dark | James Lamsdell, Amanda Falk, and Curtis Congreve | |
| 44 | 4 |  | The Effective Statistician - in association with PSI | Alexander Schacht and Benjamin Piske, biometricians, statisticians and leaders in the pharma industry | |
| 45 | 13 |  | Science unscripted | DW | |
| 46 | 15 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 47 | 55 |  | Cheap Astronomy Podcasts | Steve Nerlich | |
| 48 | 14 |  | Paleo Nerds | paleonerds | |
| 49 | 14 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 50 | 13 |  | (don't) Waste Water! | Water Tech to Solve the World | Antoine Walter | |
| 51 | 12 |  | America Adapts the Climate Change Podcast | Doug Parsons | |
| 52 | 9 |  | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 53 | 9 |  | Audio Angling | Fishing Films & Facts | |
| 54 | 23 |  | Night Science | Itai Yanai & Martin Lercher | |
| 55 | 62 |  | Facet Nation: A Gemmology Podcast | Facet Nation | |
| 56 | 11 |  | Cows and Effect | Paul Allison and Michael Blanche | |
| 57 | 11 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 58 | 11 |  | Joint Approach | Musculoskeletal Infection Society | |
| 59 | 35 |  | The Met Éireann Podcast | Met Éireann | |
| 60 | 12 |  | MonsterTalk | Blake Smith | |
| 61 | 12 |  | Motivational Interviewing & Beyond | Joel Porter & Steve Rollnick | |
| 62 | 12 |  | Sustainably Geeky | Epically Geeky | |
| 63 | 12 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 64 | 12 |  | Counting the Earth | Counting the Earth | |
| 65 | 12 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 66 | 12 |  | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 67 | 12 |  | The Reality Check | The Reality Check | |
| 68 | 12 |  | Robinson's Podcast | Robinson Erhardt | |
| 69 | 12 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 70 | 12 |  | DiscoScienza di Andrea Bellati | Andrea Bellati & VOIS | |
| 71 | 12 |  | Synapsen – ein Wissenschaftspodcast | NDR Info | |
| 72 | 12 |  | BirdNote Daily | BirdNote | |
| 73 | 10 |  | Habitat loss with David Attenborough | Veer Jain | |
| 74 | 10 |  | Palaeocast | Palaeocast | |
| 75 | 10 |  | Viced Rhino: The Podcast | Viced Rhino | |
| 76 | 9 |  | eanCast: Weekly Neurology | ean.org | |
| 77 | 9 |  | Digital Pathology Podcast | Aleksandra Zuraw, DVM, PhD | |
| 78 | 9 |  | In Research Of | William Blake Smith | |
| 79 | 9 |  | Food Safety Matters | Food Safety Magazine | |
| 80 | 9 |  | Pete the Vet's Podcast | Pete Wedderburn | |
| 81 | 5 |  | New Books in Environmental Studies | Marshall Poe | |
| 82 | 9 |  | BrainStuff | iHeartPodcasts | |
| 83 | 9 |  | Nature Track | ABC | |
| 84 | 9 |  | Walkabout the Galaxy | Joshua Colwell, Adrienne Dove, and James Cooney | |
| 85 | 4 |  | What The Duck?! | ABC | |
| 86 | 8 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 87 | 7 |  | ADHD + ASD Sounds | Study Sleep Soothe | |
| 88 | 4 |  | The Nature of Things | RTÉ Radio 1 | |
| 89 | 6 |  | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 90 | 5 |  | MERLIN Podcast: Bringing Europe’s freshwaters back to life | MERLIN project | |
| 91 | 5 |  | New Books in Mathematics | Marshall Poe | |
| 92 | 5 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 93 | 4 |  | Double Loop Podcast | Glenn Langenburg and Eric Ray | |
| 94 | 4 |  | правило 34 | Николай | |
| 95 | 3 |  | Intertek's Assurance in Action Podcast Network | Intertek | |
| 96 | — |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 97 | 4 |  | Weather Geeks | Weather Group Television | |
| 98 | 3 |  | Met Office - Podcasts | Met Office | |
| 99 | 1 |  | Curiosity Unbounded | Massachusetts Institute of Technology (MIT) | |
| 100 | 3 |  | This Week in Evolution | Vincent Racaniello | |
