| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 3 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 5 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 6 | 2 |  | The Common Descent Podcast | Common Descent | |
| 8 | 1 |  | Ask a Spaceman! | Paul M. Sutter | |
| 9 | 7 |  | The Michael Shermer Show | Michael Shermer | |
| 10 | 1 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 11 | 6 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 12 | 4 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 13 | 1 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 14 | 2 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 15 | 2 |  | Paranormal Portal | Brent Thomas | |
| 16 | 5 |  | The Science of Everything Podcast | James Fodor | |
| 17 | 4 |  | Origin Stories | The Leakey Foundation | |
| 18 | 3 | B | Broadly Speaking | Broads National Park | |
| 19 | 5 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 20 | 16 | T | The Pasture Pod | Michael Blanche | |
| 21 | 3 |  | The Numberphile Podcast | Brady Haran | |
| 23 | 2 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 24 | 5 | T | The 'Perfect' Specimen | The Natural History Museum, London | |
| 25 | 2 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 26 | 4 |  | The Science Show | ABC | |
| 27 | 51 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 28 | 49 | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 29 | 169 |  | Weather Geeks | Weather Group Television | |
| 30 | 4 |  | Outside/In | NHPR | |
| 31 | 101 | S | So You Want to Be a Marine Biologist | K. G. Muzia | |
| 32 | — | C | CERN - Large Hadron Collider Podcast | yada yada productions | |
| 33 | — | T | Targeting the Toughest Diseases | Vertex Pharmaceuticals | |
| 34 | — | F | Fermentation Speaker Series | Elisa Caffrey, David Zilber, and Justin Sonnenburg | |
| 35 | 8 | O | Oxford Sparks Big Questions | Oxford Sparks | |
| 36 | 8 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 37 | 8 |  | BirdNote Daily | BirdNote | |
| 38 | 48 | S | Sustainable World Radio- Ecology and Permaculture Podcast | Jill Cloutier | |
| 40 | 9 | P | Project Botany | David Brooksby | |
| 41 | 8 |  | Patient Zero | NHPR | |
| 42 | 8 | N | New Books in Environmental Studies | Marshall Poe | |
| 43 | 3 | T | Tom Nelson | Thomas Nelson | |
| 44 | 7 | T | The Geothermal Energy Podcast | Frank Lapinski | |
| 45 | 13 | S | SETI Live | SETI Institute | |
| 46 | 11 | F | Farm Small Farm Smart Daily | The Modern Grower Podcast Network | |
| 47 | 121 | B | BASIS Agronomy Matters | BASIS Registration | |
| 48 | 9 | N | NASA ScienceCasts | NASA Science | |
| 49 | 5 | O | Outdoor Lives by Mike Raine | Mike Raine | |
| 50 | 12 | C | Cryptid Warfare | Drewski | |
| 51 | 11 | O | Orbital Path | PRX | |
| 52 | 11 |  | Natural Resources University | Collaboration of land-grant universities | |
| 53 | — | T | The Atomic Show | Rod Adams - Atomic Insights | |
| 54 | 12 | I | Interconnected | Jake Robinson | |
| 56 | 4 |  | Night Science | Itai Yanai & Martin Lercher | |
| 57 | 6 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 58 | 13 |  | MonsterTalk | Blake Smith | |
| 59 | 1 |  | Brain Inspired | Paul Middlebrooks | |
| 60 | 13 |  | Robinson's Podcast | Robinson Erhardt | |
| 61 | 13 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 62 | 12 |  | Shark Week: The Podcast | Discovery | |
| 64 | 5 |  | Juan on Juan | Juan on Juan Media, LLC. | |
| 65 | 12 | F | Facet Nation: A Gemmology Podcast | Facet Nation | |
| 66 | 7 | S | SCOPS Podcast | Sustainable Control of Parasites in Sheep (SCOPS) | |
| 67 | 13 |  | ExtinctZoo | ExtinctZoo | |
| 68 | 6 |  | Manifold | Steve Hsu | |
| 69 | 20 |  | Eons: Surviving Deep Time | PBS | |
| 70 | 14 | M | Motivational Interviewing & Beyond | Joel Porter & Steve Rollnick | |
| 71 | 16 | S | Sekcja teorii spiskowych. Podcast Crazy Nauka | Polskie Radio S.A. | |
| 72 | 12 | T | The Secure World Foundation Podcast | Secure World Foundation | |
| 73 | 16 | H | Habitat loss with David Attenborough | Veer Jain | |
| 74 | 13 | N | Naked Oceans, from the Naked Scientists | The Naked Scientists | |
| 75 | 5 |  | BrainStuff | iHeartPodcasts | |
| 76 | 12 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 77 | 10 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 78 | 13 | D | Deep Science | Deutschlandfunk | |
| 80 | 19 | P | Palaeocast | Palaeocast | |
| 81 | 13 | M | Making Science with Tom Whipple | The Times | |
| 82 | 10 | T | The Met Éireann Podcast | Met Éireann | |
| 83 | 12 | C | Consciousness and the Brain | Bernard Baars, PhD | Nautilus Press Publishing Group | |
| 84 | 10 | S | Skeptically Curious | Ryan Rutherford | |
| 85 | 10 | T | The Naked Mole Rat | libo/libo | |
| 86 | 10 | S | Sustainability and The Sea | FutureSwell | |
| 87 | 1 | E | Eureka! | Stak | |
| 88 | 12 | T | Tinfoil Tales | Brandon Wright | |
| 89 | 4 |  | In Research Of | William Blake Smith | |
| 90 | 8 | 科 | 科学星球 | BOX孙彬 | |
| 91 | 7 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 92 | 3 | W | Wild Animals | Roland Kays | |
| 93 | 4 |  | Untold Radio Network | Untold Radio Network | |
| 94 | 1 | T | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 95 | 14 |  | Wild Sounds: Kākāpō Files II | RNZ | |
| 96 | 2 | W | What The Duck?! | ABC | |
| 97 | 10 | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 99 | 8 | F | F.A.Z. Wissen | Frankfurter Allgemeine Zeitung | |
| 100 | 8 | M | Midwest Mythos | Midwest Mythos | |
| 101 | 8 | S | Signals &Synapses | Max Planck Institute for Biological Cybernetics | |
| 102 | 2 | V | Viced Rhino: The Podcast | Viced Rhino | |
| 103 | 24 | C | Cheap Astronomy Podcasts | Steve Nerlich | |
| 104 | 31 | T | This Week in Evolution | Vincent Racaniello | |
| 105 | 11 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 106 | 26 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 107 | 5 | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 108 | 71 | S | Saving Salmon | Atlantic Salmon Federation | |
