| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 2 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 3 | 1 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 4 | 2 |  | The Michael Shermer Show | Michael Shermer | |
| 4 | 4 |  | Origin Stories | The Leakey Foundation | |
| 4 | 86 | ( | (don't) Waste Water! | Water Tech to Solve the World | Antoine Walter | |
| 5 | — |  | Eons: Surviving Deep Time | PBS | |
| 6 | — |  | In Defense of Plants Podcast | In Defense of Plants | |
| 7 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 8 | 89 | T | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 8 | 2 |  | Robinson's Podcast | Robinson Erhardt | |
| 8 | 2 | M | Making Science with Tom Whipple | The Times | |
| 9 | 2 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 9 | 5 | S | Students of Surgery | Martin Brand | |
| 11 | 17 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 11 | 1 |  | The Science of Everything Podcast | James Fodor | |
| 12 | 1 | M | Mendelspod Podcast | Theral Timpson | |
| 13 | 2 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 13 | 3 |  | The Numberphile Podcast | Brady Haran | |
| 15 | 1 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 15 | 3 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 17 | 4 |  | BrainStuff | iHeartPodcasts | |
| 18 | 2 | A | Asimov Press | Asimov Press | |
| 20 | 3 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 21 | 1 |  | Manifold | Steve Hsu | |
| 22 | 4 |  | Patient Zero | NHPR | |
| 22 | 19 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 22 | 4 |  | The Science Show | ABC | |
| 23 | 21 |  | UFO Chronicles Podcast | Nik Hunter | |
| 24 | 14 |  | ExtinctZoo | ExtinctZoo | |
| 25 | — |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 26 | 10 | T | This Week in Nature | All Things Naturalist | |
| 27 | 9 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 29 | 5 |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 29 | — |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 30 | — | Ö | Ö1 Wissen aktuell | ORF Ö1 | |
| 31 | 9 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 32 | 11 |  | Most Terrifying Places in America | Travel Channel | |
| 32 | 7 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 33 | 11 |  | The Allied Nutrition Podcast | Allied Nutrition | |
| 35 | 18 | H | HSS Presents | Hospital for Special Surgery | |
| 36 | 18 |  | Outside/In | NHPR | |
| 37 | 8 | T | The Humble Hoof | Alicia Harlov | |
| 38 | 7 |  | Night Science | Itai Yanai & Martin Lercher | |
| 38 | 10 |  | Ask a Spaceman! | Paul M. Sutter | |
| 39 | 18 |  | Paranormal Portal | Brent Thomas | |
| 39 | 7 | 不 | 不成气候No Such Climate | 不成气候NoSuchClimate | |
| 40 | 13 | H | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 41 | 16 | H | Hunting Science | Mark Lindberg | |
| 43 | 14 |  | Main Engine Cut Off | Anthony Colangelo | |
| 44 | 11 | T | This Week in Evolution | Vincent Racaniello | |
| 45 | 10 | W | What The Duck?! | ABC | |
| 48 | 8 | C | Cannabis Cultivation and Science Podcast | Tad Hussey | |
| 49 | 8 |  | Brain Inspired | Paul Middlebrooks | |
| 50 | 5 | O | Oxford Sparks Big Questions | Oxford Sparks | |
| 53 | 5 | N | New Books in Environmental Studies | Marshall Poe | |
| 54 | 5 | K | KGNU - How On Earth | KGNU - How On Earth | |
| 55 | 5 |  | Genetic modification interview | Katie Louise Dowrick | |
| 56 | 5 |  | The Common Descent Podcast | Common Descent | |
| 57 | 4 | D | Dinosaurs Will Always Be Awesome | Jimmy Waldron | |
| 58 | 4 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 59 | 4 | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 60 | 4 | 3 | 365 Days of Astronomy - Weekly Edition | Fraser Cain & Dr. Pamela L. Gay | |
| 62 | 4 |  | SunCast | Nico Johnson | |
| 63 | 4 | S | Synapsen – ein Wissenschaftspodcast | NDR Info | |
| 64 | 4 | F | Food Safety Matters | Food Safety Magazine | |
| 65 | 4 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 66 | 2 |  | The Native Plant Podcast | Native Plant Podcast | |
| 67 | 5 |  | Plastic Plesiosaur Podcast | Miles Greb | |
| 68 | 5 | S | Science Conversations | 3ABN Australia Radio | |
| 69 | 4 | O | Off Track | ABC | |
| 70 | 4 | P | Pastoral Poddy - Australian Farming | Western Local Land Services | |
| 71 | 3 | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 72 | 1 | L | Leopard Fortress (HD) | Earth Touch | |
| 73 | 4 | B | Best Horse Practices Podcast | Maddy Butcher | |
| 74 | 4 | I | Intertek's Assurance in Action Podcast Network | Intertek | |
| 75 | 1 |  | BirdNote Daily | BirdNote | |
| 76 | 4 | I | Inquiries of our Reality with Shayn Jones | Bizarre Reality Media | |
| 77 | 4 |  | Shark Week: The Podcast | Discovery | |
| 78 | 1 | L | Learn Traditional Chinese Medicine, Functional Medicine and any kinds of Alternative Medicine | Shiho Cierra Fujimaru | |
| 79 | 5 |  | Strange Animals Podcast | Katherine Shaw | |
| 80 | 4 |  | How Wild | NPR | |
| 81 | 3 | D | Don't Eat Poop! A Food Safety Podcast | Food Safety Specialists: Matthew Regusci and Francine L Shaw | |
| 82 | 3 | I | Into The Paranormal, Podcast With Tony Brueski | Real Story Media | |
| 83 | 2 | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 84 | 2 | T | The Genetics Podcast | Sano Genetics | |
| 85 | 2 | R | Research Insights, a Society of Actuaries Podcast | Research Insights | |
| 86 | 1 | N | New Books in Science | New Books Network | |
| 87 | — | D | Digital Pathology Podcast | Aleksandra Zuraw, DVM, PhD | |
| 88 | — | V | Viced Rhino: The Podcast | Viced Rhino | |
| 89 | — |  | 6 Ranch Podcast | James Nash | |
| 91 | — | S | Sustainable World Radio- Ecology and Permaculture Podcast | Jill Cloutier | |
| 92 | — | I | Intelligent Science, Intelligent Design | Dr. Tom Woodward | |
| 93 | — | C | Cows and Effect | Paul Allison and Michael Blanche | |
| 94 | — | H | happy | Sean Paul Rasmussen | |
| 95 | 1 | A | Authentic Biochemistry | Dr Daniel J. Guerra | |
| 96 | 1 | R | Raincoast Radio | Raincoast Conservation Foundation | |
| 98 | — | C | Climate Connections | Yale Center for Environmental Communication | |
| 99 | — | T | The Blue Fish Radio Show | Blue Fish Radio | |
