| 1 |  | Radiolab | WNYC Studios | Sciences | 676 | Simplecast | 63 |
| 2 |  | The Seán Chorus | HeadStuff Podcasts | Sciences | 10 | Megaphone | 63 |
| 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | Sciences | 856 | Omny Studio | 48 |
| 4 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | Sciences | 732 | Libsyn | 43 |
| 5 |  | The Common Descent Podcast | Common Descent | Sciences | 391 | Podbean | 41 |
| 6 |  | In Defense of Plants Podcast | In Defense of Plants | Sciences | 604 | ART19 | 42 |
| 7 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | Sciences | 502 | Buzzsprout | 42 |
| 8 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | Sciences | 631 | Spreaker | 69 |
| 9 |  | The Science of Everything Podcast | James Fodor | Sciences | 172 | Podbean | 31 |
| 10 |  | Terrible Lizards | Iszi Lawrence and David Hone | Sciences | 143 | Libsyn | 78 |
| 11 |  | Origin Stories | The Leakey Foundation | Sciences | 94 | Libsyn | 68 |
| 12 |  | The Numberphile Podcast | Brady Haran | Science & Medicine | 66 | Squarespace | 48 |
| 14 |  | 632nm | Misha Shalaginov, Michael Dubrovsky, Xinghui Yin | Sciences | 61 | Transistor | 58 |
| 15 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | Sciences | 500 | Audioboom | 48 |
| 16 |  | The Michael Shermer Show | Michael Shermer | Sciences | 645 | Libsyn | 58 |
| 17 |  | Saving Salmon | Atlantic Salmon Federation | Sciences | 10 | Spreaker | 74 |
| 18 |  | UFO Chronicles Podcast | Nik Hunter | Sciences | 448 | Spreaker | 54 |
| 19 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | Sciences | 642 | Megaphone | 58 |
| 20 |  | The Immunology Podcast | The Immunology Podcast | Sciences | 178 | Blubrry | 48 |
| 21 |  | Counting the Earth | Counting the Earth | Sciences | 21 | Audioboom | 58 |
| 22 |  | The Reality Check | The Reality Check | Sciences | 350 | Libsyn | 59 |
| 23 |  | Robinson's Podcast | Robinson Erhardt | Sciences | 304 | Spotify for Podcasters | 52 |
| 24 |  | ExtinctZoo | ExtinctZoo | Sciences | 168 | Spotify for Podcasters | 28 |
| 25 |  | Outside/In | NHPR | Sciences | 415 | Megaphone | 48 |
| 26 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | Sciences | 624 | Spreaker | 43 |
| 27 |  | Manifold | Steve Hsu | Sciences | 174 | Transistor | 58 |
| 28 |  | BirdNote Daily | BirdNote | Sciences | 1095 | Simplecast | 59 |
| 29 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | Sciences | 585 | ART19 | 62 |
| 30 |  | Ask a Spaceman! | Paul M. Sutter | Sciences | 288 | Libsyn | 48 |
| 31 |  | Brain Inspired | Paul Middlebrooks | Sciences | 163 | Unknown | 64 |
| 32 |  | Oxford Sparks Big Questions | Oxford Sparks | Sciences | 100 | Libsyn | 38 |
| 33 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | Sciences | 500 | Audioboom | 53 |
| 34 |  | MonsterTalk | Blake Smith | Sciences | 516 | Spreaker | 69 |
| 35 |  | The Genetics Podcast | Sano Genetics | Sciences | 262 | Spotify for Podcasters | 22 |
| 36 |  | This Week in Evolution | Vincent Racaniello | Sciences | 100 | Libsyn | 58 |
| 37 |  | New Books in Environmental Studies | Marshall Poe | Sciences | 600 | Simplecast | 63 |
| 38 |  | Great Moments In Science | ABC | Sciences | 249 | ABC Australia | 38 |
| 39 |  | Plastic Plesiosaur Podcast | Miles Greb | Sciences | 57 | Buzzsprout | 47 |
| 40 |  | HOLOSKY PODCAST | Holosky Podcast | Sciences | 581 | RedCircle | 53 |
| 41 |  | The Science Show | ABC Australia | Sciences | 250 | ABC Australia | 38 |
| 42 |  | Flooba | Sounds for ADHD + ASD to Support Focus Regulation + Sleep | Sciences | 110 | Buzzsprout | 73 |
| 43 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | Sciences | 9 | WideOrbit | 58 |
| 44 |  | The Fossil Files | Robert Sansom and Susannah Maidment | Sciences | 49 | Libsyn | 73 |
| 45 |  | Stimulating Brains | Andreas Horn | Sciences | 82 | Spotify for Podcasters | 43 |
| 46 |  | Plants and Pipettes | Joram Schwartzmann and Tegan Armarego-Marriott | Sciences | 176 | Unknown | 53 |
| 47 |  | The Lasgidi Farmer Podcast | The Lasgidi Farmer | Sciences | 78 | Spotify for Podcasters | 37 |
| 48 |  | Hablando con Científicos - Cienciaes.com | cienciaes.com | Science & Medicine | 574 | Libsyn | 53 |
| 49 |  | Science(ish) | Auddy | Sciences | 102 | Megaphone | 49 |
| 50 |  | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | Science & Medicine | 789 | Libsyn | 53 |
| 51 |  | Entocast | Nick and Liam | Science & Medicine | 21 | Squarespace | 39 |
| 52 |  | Paranormal Portal | Paranormal Portal - Ufo's Paranormal Ghosts | Sciences | 491 | Spreaker | 69 |
| 53 |  | 科学史评话最新专辑 | 科学史评话 | Science & Medicine | 628 | Ximalaya | 49 |
| 54 |  | Off-Nominal | Jake Robins, Anthony Colangelo | Sciences | 267 | Simplecast | 63 |
| 55 |  | Outdoor Lives by Mike Raine | Mike Raine | Sciences | 75 | Spotify for Podcasters | 38 |
| 56 |  | The Pasture Pod | Michael Blanche | Sciences | 39 | Libsyn | 38 |
| 57 |  | Palaeocast | Palaeocast | Sciences | 246 | Libsyn | 38 |
| 58 |  | Green Frequency | Environmental Science & Earth Radio | Pine Forest Media | Environmental Science Podcasts | Sciences | 15 | Acast | 73 |
| 59 |  | BrainStuff | iHeartPodcasts | Sciences | 2001 | Omny Studio | 49 |
| 60 |  | Dinosaur Stories | Dinosaur Podcast | Sciences | 32 | Spotify for Podcasters | 58 |
| 61 |  | BASIS Agronomy Matters | BASIS Registration | Sciences | 45 | Spotify for Podcasters | 43 |
| 62 |  | Science unscripted | DW | Sciences | 100 | Unknown | 43 |
| 63 |  | Strange Animals Podcast | Katherine Shaw | Sciences | 300 | Blubrry | 48 |
| 64 |  | What The Duck?! | ABC Australia | Sciences | 232 | ABC Australia | 38 |
| 65 |  | Viced Rhino: The Podcast | Viced Rhino | Sciences | 432 | Spreaker | 48 |
| 66 |  | Facet Nation: A Gemmology Podcast | Facet Nation | Sciences | 43 | Buzzsprout | 62 |
| 67 |  | Nature Sounds | ABC | Sciences | 22 | ABC Australia | 62 |
| 68 |  | Ask Us Anything by Popular Science | Popular Science | Sciences | 66 | Megaphone | 68 |
| 69 |  | The Behavioural Ecology and Evolution Podcast (the Beepcast) | unknown_author | Science & Medicine | 27 | Unknown | 31 |
| 70 |  | Tiny Living Beings | Julia Van Etten | Sciences | 30 | Libsyn | 83 |
| 71 |  | Kvantemekanikkens gåde | Dagbladet Information | Sciences | 6 | Podbean | 52 |
| 72 |  | Tom Nelson | Thomas Nelson | Sciences | 441 | Spotify for Podcasters | 38 |
| 73 |  | ZSL's Wildest Moments | ZSL | Sciences | 11 | Libsyn | 83 |
| 74 |  | Patient Zero | NHPR | Sciences | 14 | Megaphone | 38 |
| 75 |  | Huge If True Podcast | cleoabram931 | Sciences | 87 | Podbean | 42 |
| 76 |  | Night Science | Itai Yanai & Martin Lercher | Sciences | 90 | Buzzsprout | 58 |
| 77 |  | Eons: Surviving Deep Time | PBS | Sciences | 25 | PRX | 63 |
| 78 |  | The Stem Cell Podcast | The Stem Cell Podcast | Sciences | 363 | Blubrry | 38 |
| 79 |  | Environmental Health Chat | NIEHS Partnerships for Environmental Public Health | Sciences | 105 | Unknown | 43 |
| 80 |  | (don't) Waste Water! | Water Tech to Solve the World | Antoine Walter | Sciences | 507 | Ausha | 68 |
| 81 |  | Paläotalk
| Luan Thomas | Sciences | 63 | Spotify for Podcasters | 68 |
| 82 |  | 科博做伙講 | 國立自然科學博物館 | Sciences | 74 | Firstory | 59 |
| 83 |  | The Abstract Podcast: Equine Internal Medicine | The Abstract Podcast | Sciences | 25 | Unknown | 37 |
| 84 |  | Eureka! | Stak | Sciences | 63 | Acast | 74 |
| 85 |  | R2Kast - People in Food and Farming/All In | Wallace Currie | Sciences | 498 | Acast | 38 |
| 86 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | Sciences | 639 | Omny Studio | 53 |
| 87 |  | The Humble Hoof | Alicia Harlov | Sciences | 167 | Captivate | 32 |
| 88 |  | Cannabis Cultivation and Science Podcast | Tad Hussey | Sciences | 168 | Simplecast | 47 |
| 89 |  | Cat Among the Penguins | Jenny Hickman | Sciences | 13 | Unknown | 58 |
| 90 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | Sciences | 1000 | Spreaker | 38 |
| 91 |  | Synapsen – ein Wissenschaftspodcast | NDR Info | Sciences | 177 | NDR Info | 27 |
| 92 |  | SETI Live | SETI Institute | Sciences | 163 | Libsyn | 68 |
| 93 |  | Audio Angling | Fishing Films & Facts | Science & Medicine | 217 | Unknown | 49 |
| 94 |  | This Week in Science – The Kickass Science Podcast | Dr. Kirsten Sanford Science Media | Sciences | 51 | Libsyn | 52 |
| 95 |  | omega tau science & engineering podcast | Markus Voelter, Nora Ludewig | Sciences | 100 | Libsyn | 31 |
| 96 |  | Fermentation Speaker Series | Elisa Caffrey, David Zilber, and Justin Sonnenburg | Sciences | 13 | RSS.com | 52 |
| 98 |  | Salvi Sitis! | Matthew Jay | Sciences | 12 | Spotify for Podcasters | 33 |
| 99 |  | Infectious Disease Puscast | Vincent Racaniello | Sciences | 117 | Libsyn | 52 |
| 100 |  | Weather Geeks | Weather Group Television | Sciences | 444 | ART19 | 68 |