| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 3 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 4 | 5 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 5 | 8 |  | Origin Stories | The Leakey Foundation | |
| 6 | — |  | Paranormal Portal | Brent Thomas | |
| 7 | 3 |  | Manifold | Steve Hsu | |
| 8 | — |  | The Michael Shermer Show | Michael Shermer | |
| 9 | 16 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 10 | 5 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 11 | 4 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 12 | 2 |  | The Common Descent Podcast | Common Descent | |
| 13 | 2 |  | UFO Chronicles Podcast | Nik Hunter | |
| 14 | 3 |  | Believing the Bizarre: Paranormal Podcast | Tyler and Charlie | |
| 15 | 1 |  | The Science of Everything Podcast | James Fodor | |
| 16 | 4 | M | Making Science with Tom Whipple | The Times | |
| 17 | 1 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 18 | 27 |  | Brain Inspired | Paul Middlebrooks | |
| 19 | 23 |  | Night Science | Itai Yanai & Martin Lercher | |
| 20 | 102 |  | Alien Encounters | Science Channel | |
| 21 | 18 |  | Ask a Spaceman! | Paul M. Sutter | |
| 22 | — | R | Radio Paranormalium - wszystkie audycje | Radio Paranormalium | |
| 23 | — | W | Wilson & Ashley | Wilson & Ashley | |
| 24 | 8 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 25 | 2 |  | The Numberphile Podcast | Brady Haran | |
| 26 | 10 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 27 | 8 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 28 | 11 |  | From The Shadows | Shane Grove | |
| 29 | 53 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 30 | 33 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 31 | 11 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 32 | 11 | P | Palaeocast | Palaeocast | |
| 33 | 9 | T | The Pasture Pod | Michael Blanche | |
| 34 | 32 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 35 | 39 | N | New Books in Environmental Studies | Marshall Poe | |
| 36 | 63 | T | The Immunology Podcast | The Immunology Podcast | |
| 37 | 60 | S | So You Want to Be a Marine Biologist | K. G. Muzia | |
| 38 | 74 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 39 | 2 | W | What The Duck?! | ABC | |
| 40 | 19 |  | Shark Week: The Podcast | Discovery | |
| 41 | 116 | S | SETI Live | SETI Institute | |
| 42 | — | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 43 | 6 |  | The Science Show | ABC | |
| 44 | — | C | Curiosity Unbounded | Massachusetts Institute of Technology (MIT) | |
| 45 | — | B | Biodiversity Speaks | IBioS Collaboratory | |
| 46 | — | H | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 47 | — | T | Tiny Living Beings | Julia Van Etten | |
| 48 | 20 |  | Eons: Surviving Deep Time | PBS | |
| 49 | 20 | C | Cows and Effect | Paul Allison and Michael Blanche | |
| 50 | 24 | T | The Genetics Podcast | Sano Genetics | |
| 51 | 20 |  | Most Terrifying Places in America | Travel Channel | |
| 52 | 22 | M | Met Office - Podcasts | Met Office | |
| 53 | 21 | U | Understanding Pliosaurs with Dr Judyth Sassoon | The Etches Collection | |
| 54 | 119 | S | Science(ish) | Auddy | |
| 55 | 22 | S | SCOPS Podcast | Sustainable Control of Parasites in Sheep (SCOPS) | |
| 56 | 22 |  | MonsterTalk | Blake Smith | |
| 57 | 22 | O | On the horizon with Glenn and Henry | Glenn Kirby | |
| 58 | 1 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 59 | 19 |  | BrainStuff | iHeartPodcasts | |
| 60 | 22 |  | Robinson's Podcast | Robinson Erhardt | |
| 61 | — | P | Path to Zero | Propane Education & Research Council | |
| 62 | — | D | Digital Pathology Podcast | Aleksandra Zuraw, DVM, PhD | |
| 63 | 19 | C | Cheap Astronomy Podcasts | Steve Nerlich | |
| 64 | — | S | Superduperstitious | Wyatt Shell and Jake Withee | |
| 65 | — | 6 | 632nm | Misha Shalaginov, Michael Dubrovsky, Xinghui Yin | |
| 66 | 20 | Z | ZSL Wild Science Podcast | Zoological Society of London | |
| 67 | 17 | M | Mushroom Revival Podcast | Alex Dorr | |
| 68 | 7 | T | Tom Nelson | Thomas Nelson | |
| 69 | 22 | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 70 | 18 | A | About Sustainability… | Institute for Global Environmental Strategies | |
| 71 | 23 | L | Late Night on the Astral Plane with Ryan Singer | Ryan Singer | |
| 72 | 21 | W | Whale Tales Podcast | Whale Tales | |
| 73 | 24 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 74 | 16 | A | AnthroBiology Podcast | Gaby Lapera | |
| 75 | 21 | E | Ecology Everywhere | Ecology Everywhere | |
| 76 | 23 | П | Пульверизатор науки | Лайфхакер | |
| 77 | 22 | A | A-Pod Cast For Killer Whales | Alison Morrow | |
| 78 | 22 | T | The Birds and the Bees Podcast | Charlie Forde | |
| 79 | 22 |  | Dinosaures | Marcjer | |
| 80 | 15 |  | BirdNote Daily | BirdNote | |
| 81 | 19 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 82 | 22 | N | NASA ScienceCasts | NASA Science | |
| 83 | 22 |  | In Research Of | William Blake Smith | |
| 84 | 6 | T | The Humble Hoof | Alicia Harlov | |
| 85 | — |  | Farm Small Farm Smart | The Modern Grower Podcast Network | |
| 86 | 10 |  | Outside/In | NHPR | |
| 87 | 23 |  | Patient Zero | NHPR | |
| 88 | 20 | P | Project Botany | David Brooksby | |
| 89 | 22 | ع | عصر حجر | Siavash Saffarianpour | |
| 90 | 19 |  | Juan on Juan | Juan on Juan Media, LLC. | |
| 91 | 21 | B | Big Sky Country | Bush Heritage Australia | |
| 92 | 13 |  | Ask MIT Climate | MIT Climate Project | |
| 93 | 24 | I | Intertidal Talks | Kendy | |
| 94 | 22 | B | Botany One | Botany One weblog | |
| 95 | 22 | F | FOCUS on Agriculture | Preston & Jason | |
| 96 | 16 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 97 | 20 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 98 | 6 | T | The Bigfoot Report | Paranormal World Productions | |
| 99 | 16 |  | Plastic Plesiosaur Podcast | Miles Greb | |
| 100 | 56 | Б | Буде тобі наука | Kunsht/Куншт | |
