| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 3 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 3 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 5 | 1 |  | The Common Descent Podcast | Common Descent | |
| 5 | — |  | The Michael Shermer Show | Michael Shermer | |
| 6 | 1 |  | UFO Chronicles Podcast | Nik Hunter | |
| 6 | 1 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 9 | 14 |  | Robinson's Podcast | Robinson Erhardt | |
| 9 | 1 | M | Making Science with Tom Whipple | The Times | |
| 9 | 2 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 9 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 11 | — |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 13 | 1 |  | The Science Show | ABC | |
| 13 | 3 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 13 | 1 | W | What The Duck?! | ABC | |
| 14 | 1 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 15 | 1 |  | Origin Stories | The Leakey Foundation | |
| 17 | 1 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 18 | 7 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 18 | 1 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 18 | 3 |  | Paranormal Portal | Brent Thomas | |
| 19 | 4 |  | Manifold | Steve Hsu | |
| 19 | 2 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 22 | — |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 23 | 32 |  | ExtinctZoo | ExtinctZoo | |
| 24 | 2 |  | The Swiss Connection | SWI swissinfo.ch | |
| 25 | 5 |  | The Science of Everything Podcast | James Fodor | |
| 25 | 7 | T | Tom Nelson | Thomas Nelson | |
| 25 | 19 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 27 | 8 |  | Off-Nominal | Jake Robins, Anthony Colangelo | |
| 28 | 1 |  | MonsterTalk | Blake Smith | |
| 28 | 46 |  | Weather Geeks | Weather Group Television | |
| 28 | 87 | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 29 | — | D | Dinosaurs Will Always Be Awesome | Jimmy Waldron | |
| 29 | — | 2 | 2021全部生命系列 | 楊定一博士亲自发声 | 张婉琦丨爱之声 | |
| 30 | — | C | Cryptid Clues | Urban Myth, Monsters, True Crime, Found Footage, Bigfoot, Sasquatch, Skunk Ape, Cryptids, Ufos, Ghosts, Demons, Dogman, Skin Walker, Dover Demon, Yeti, Mothman, Jersey Devil, Chupacabra, Lake monster, Possession, Gnomes, The Orbs, Ogopogo | |
| 30 | 5 |  | BrainStuff | iHeartPodcasts | |
| 31 | 6 |  | BirdNote Daily | BirdNote | |
| 32 | 3 |  | In Research Of | William Blake Smith | |
| 33 | 1 | R | R2Kast - People in Food and Farming/All In | Wallace Currie | |
| 33 | 85 | S | Soil Health Labs | Soil Health Labs | |
| 34 | 151 | B | BASIS Agronomy Matters | BASIS Registration | |
| 34 | 9 | C | Consciousness and the Brain | Bernard Baars, PhD | Nautilus Press Publishing Group | |
| 35 | 11 |  | Night Science | Itai Yanai & Martin Lercher | |
| 36 | — | P | Physics (Audio) | UCTV | |
| 36 | 7 |  | Patient Zero | NHPR | |
| 37 | 61 | P | Palaeocast | Palaeocast | |
| 37 | — | T | This Week in Evolution | Vincent Racaniello | |
| 37 | — | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 38 | 10 |  | The Numberphile Podcast | Brady Haran | |
| 38 | — | L | Let's Talk Conservation | Jennifer Choyce | |
| 39 | 9 | 奏 | 奏でる細胞 MUSIC SCIENCE PODCAST | タツ（細胞学）ゆりか（リベラルアーツ講師） | |
| 41 | 12 |  | Brain Inspired | Paul Middlebrooks | |
| 42 | 134 | K | Keep it Civil - UCL Engineering Podcast | UCL CEGE Engineering | |
| 42 | 10 | T | The Pasture Pod | Michael Blanche | |
| 43 | 11 |  | Main Engine Cut Off | Anthony Colangelo | |
| 44 | — | S | Strange Recon Radio | Strange Recon Podcast | |
| 44 | 1 | S | Synapsen – ein Wissenschaftspodcast | NDR Info | |
| 45 | 6 | N | Nature Track | ABC | |
| 46 | 9 |  | SunCast | Nico Johnson | |
| 48 | 4 | C | Cheap Astronomy Podcasts | Steve Nerlich | |
| 48 | 5 | M | Microbe Talk | Microbiology Society | |
| 48 | 7 | П | правило 34 | Николай | |
| 49 | 79 |  | Cryptid Creatures | Brian Brock/Todd Stevens | |
| 49 | 16 |  | Ask MIT Climate | MIT Climate Project | |
| 49 | 16 |  | Paleo Nerds | paleonerds | |
| 50 | 12 | N | New Books in Environmental Studies | Marshall Poe | |
| 50 | 19 |  | From The Shadows | Shane Grove | |
| 51 | 17 | O | Outdoor Lives by Mike Raine | Mike Raine | |
| 51 | 6 | E | Eureka! | Stak | |
| 52 | 11 | M | Motivational Interviewing & Beyond | Joel Porter & Steve Rollnick | |
| 53 | 15 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 54 | 13 | F | Facet Nation: A Gemmology Podcast | Facet Nation | |
| 55 | 11 |  | Outside/In | NHPR | |
| 56 | 9 | C | Cryptid Campfire | Cryptid Campfire | |
| 56 | 2 | S | Saving Salmon | Atlantic Salmon Federation | |
| 57 | 9 | B | Big Sky Country | Bush Heritage Australia | |
| 58 | 7 | N | New Species | New Species Podcast | |
| 59 | 7 | T | The Genetics Podcast | Sano Genetics | |
| 60 | 7 | T | The Naked Mole Rat | libo/libo | |
| 64 | 33 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 66 | 10 | V | Viced Rhino: The Podcast | Viced Rhino | |
| 67 | 9 | M | Met Office - Podcasts | Met Office | |
| 70 | 11 | T | The Immunology Podcast | The Immunology Podcast | |
| 70 | — | Z | ZSL Wild Science Podcast | Zoological Society of London | |
| 72 | 8 |  | Untold Radio Network | Untold Radio Network | |
| 73 | 13 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 74 | 11 | T | The 'Perfect' Specimen | The Natural History Museum, London | |
| 76 | 12 | 이 | 이과 여자 | 이과여자 | |
| 77 | — | B | Believe: Paranormal & UFO Podcast | Kade Moir | |
| 77 | 11 | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 78 | 10 | S | Salvi Sitis! | Matthew Jay | |
| 79 | 10 | D | Dr. Bruce Damer's Levity Zone | Dr. Bruce Damer | |
| 80 | 5 | S | SETI Live | SETI Institute | |
| 81 | 2 | T | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | |
| 82 | 9 | B | Brain Matters | Brain Matters Neuroscience | |
| 83 | 2 | S | Students of Surgery | Martin Brand | |
| 84 | 13 |  | Alien Encounters | Science Channel | |
| 84 | 8 | W | Whales | Inception Point Ai | |
