| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 3 | 3 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 4 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 5 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 6 | 4 |  | UFO Chronicles Podcast | Nik Hunter | |
| 7 | 3 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 8 | 10 |  | The Science of Everything Podcast | James Fodor | |
| 9 | 27 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 10 | 3 | S | Students of Surgery | Martin Brand | |
| 11 | 1 | T | The Genetics Podcast | Sano Genetics | |
| 12 | — |  | Paleo Nerds | paleonerds | |
| 13 | 13 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 14 | 55 |  | The Numberphile Podcast | Brady Haran | |
| 15 | — | T | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 16 | 11 |  | Ask a Spaceman! | Paul M. Sutter | |
| 17 | 38 |  | Paranormal Portal | Brent Thomas | |
| 18 | 13 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 19 | 9 | O | Oxford Sparks Big Questions | Oxford Sparks | |
| 20 | 11 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 21 | 7 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 22 | 11 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 23 | 4 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 24 | 58 |  | Eons: Surviving Deep Time | PBS | |
| 25 | — | I | It All Starts Here | UCL Podcasts | |
| 26 | 13 |  | BrainStuff | iHeartPodcasts | |
| 27 | 23 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 28 | 1 | Ö | Ö1 Wissen aktuell | ORF Ö1 | |
| 29 | 19 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 30 | 7 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 31 | — | R | Reality Check: The Science of Fiction | bitesz.com | |
| 32 | 7 |  | ExtinctZoo | ExtinctZoo | |
| 33 | 4 | D | Digital Pathology Podcast | Aleksandra Zuraw, DVM, PhD | |
| 34 | 9 |  | Robinson's Podcast | Robinson Erhardt | |
| 35 | 15 | E | eanCast: Weekly Neurology | ean.org | |
| 36 | 3 | S | Sustainability and The Sea | FutureSwell | |
| 37 | 26 | F | Fresh Thinking by Snowden Optiro | Snowden Optiro | |
| 38 | 19 |  | The Common Descent Podcast | Common Descent | |
| 39 | 33 | B | Bred to Perfection | Kenny Troiano | |
| 40 | 3 | S | Sustainability and The Sea | FutureSwell | |
| 41 | 32 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 42 | 10 | A | ADHD + ASD Sounds | Study Sleep Soothe | |
| 43 | 8 |  | Manifold | Steve Hsu | |
| 44 | 7 | A | Asimov Press | Asimov Press | |
| 45 | 7 | S | Synapsen – ein Wissenschaftspodcast | NDR Info | |
| 46 | 2 | A | AVEAM — Kent Hovind Official YouTube Podcast | Unknown | |
| 47 | 7 | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 48 | — | H | History of Hydrology Interviews | History of Hydrology | |
| 49 | 8 | ( | (don't) Waste Water! | Water Tech to Solve the World | Antoine Walter | |
| 50 | 8 |  | The Science Show | ABC | |
| 51 | 8 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 52 | 19 | W | What The Duck?! | ABC | |
| 53 | 7 |  | Good Fire | Amy Cardinal Christianson and Matthew Kristoff | |
| 54 | 43 |  | 6 Ranch Podcast | James Nash | |
| 55 | 8 | A | AnimalCentral | The Real Network | |
| 56 | 6 | N | New Books in Environmental Studies | Marshall Poe | |
| 57 | 1 |  | Origin Stories | The Leakey Foundation | |
| 58 | 7 | R | Research Insights, a Society of Actuaries Podcast | Research Insights | |
| 59 | 33 | T | The Beljanski Cancer Talk Show | The Beljanski Foundation | |
| 60 | 7 | T | Tom Nelson | Thomas Nelson | |
| 61 | 34 |  | Outside/In | NHPR | |
| 62 | 4 |  | Renewable Energy | Inception Point Ai | |
| 63 | 33 | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 64 | 5 |  | Ask Us Anything by Popular Science | Popular Science | |
| 65 | 1 |  | Aire Limpio Vida Sana | ZAPATA.M DANIEL 3A | |
| 66 | 5 | F | Faith and Science | 3ABN Australia Radio | |
| 67 | 5 | V | Vulcan Centaur: The Podcast | United Launch Alliance | |
| 68 | 5 | L | Love Nature | NC Museum of Natural Sciences | |
| 69 | 2 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 70 | 5 | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 71 | 40 |  | Brain Inspired | Paul Middlebrooks | |
| 72 | 6 | P | Pulse of the Planet Podcast with Jim Metzner | Science | Nature | Environment | Technology | Jim Metzner | |
| 73 | 3 |  | Botanical Society of South Africa - KZN Coastal Branch | KZN Coastal Branch | |
| 74 | 6 | M | Making Science with Tom Whipple | The Times | |
| 75 | 3 | F | FOCUS on Agriculture | Preston & Jason | |
| 76 | 5 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 77 | 4 | Н | Научный стендап | Радио «Комсомольская правда» | |
| 78 | 4 | T | The Field Guides | The Field Guides | |
| 79 | 4 | H | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 80 | 4 | C | Cows and Effect | Paul Allison and Michael Blanche | |
| 81 | 4 | M | Mushroom Revival Podcast | Alex Dorr | |
| 82 | 3 | B | Brain Matters | Brain Matters Neuroscience | |
| 83 | 3 | T | The Fibre Frontier | Dr Mark Ferguson | |
| 84 | 6 |  | Most Terrifying Places in America | Travel Channel | |
| 85 | 69 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 86 | 2 | C | Conservation Chronicles | Jonah & Mariana | |
| 87 | 6 | E | EdgeCast | Edge Foundation, Inc. | |
| 88 | 5 | H | HSS Presents | Hospital for Special Surgery | |
| 89 | 4 |  | BirdNote Daily | BirdNote | |
| 90 | 2 | C | CARTA - Anthropogeny (Video) | UCTV | |
| 91 | 2 | H | Habitat loss with David Attenborough | Veer Jain | |
| 92 | 2 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 93 | 7 | M | Manifesting Your Reality-The Law Of Assumption | Kimberly McComas | |
| 94 | 7 | U | Undercurrents – The Hidden Knowledge of Groundwater | University of Wisconsin Sea Grant Institute | |
| 95 | 5 | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 96 | 5 | V | Viced Rhino: The Podcast | Viced Rhino | |
| 97 | 4 | T | The Funeral Science Podcast | Ben Schmidt | |
| 98 | 4 | C | Climate Connections | Yale Center for Environmental Communication | |
| 99 | 4 | T | The Guide Post | American Saltwater Guides Association | |
| 100 | 4 | F | Food Safety Matters | Food Safety Magazine | |
