| 1 | — |  | Radiolab | WNYC Studios | |
| 2 | — | L | La Ciencia Pop | Gabriel León | |
| 3 | — | C | Climate Connections | Yale Center for Environmental Communication | |
| 4 | 4 | C | Cienciaes.com | cienciaes.com | |
| 5 | 2 | H | Hematopoiesis: An ASH Trainee Council Production | American Society of Hematology | |
| 6 | 8 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 7 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 8 | 3 |  | Science unscripted | DW | |
| 9 | 3 | T | The Immunology Podcast | The Immunology Podcast | |
| 10 | 3 | C | Ciencia Nuestra de cada Día - Cienciaes.com | Ángel Rodríguez Lozano | |
| 11 | 2 | C | Ciencia EXtrema - Cienciaes.com | cienciaes.com | |
| 12 | 2 | Z | Zoo de fósiles - Cienciaes.com | cienciaes.com | |
| 13 | 2 | N | New Books in Science | New Books Network | |
| 14 | 2 | R | Rätsel der Wissenschaft | DER STANDARD | |
| 15 | 19 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 16 | — | A | Astronomía y algo más | Ricardo Garcia | |
| 17 | 48 | U | Ulises y la Ciencia - Cienciaes.com | cienciaes.com | |
| 18 | 1 |  | The Michael Shermer Show | Michael Shermer | |
| 19 | 6 | P | Podcast de Ganadería Regenerativa | Daniel Suarez Castillo | |
| 20 | 3 | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 21 | 1 | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 22 | 7 |  | Robinson's Podcast | Robinson Erhardt | |
| 23 | 5 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 24 | 5 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 25 | 2 | D | DesArmando el universo | Armando | |
| 26 | 5 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 27 | 80 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 28 | 2 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 29 | 5 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 30 | 5 |  | SunCast | Nico Johnson | |
| 31 | 2 | М | Мослекторий | Москва 24 | |
| 32 | 36 | R | Research Insights, a Society of Actuaries Podcast | Research Insights | |
| 33 | 79 | S | Synapsen – ein Wissenschaftspodcast | NDR Info | |
| 34 | 9 |  | Origin Stories | The Leakey Foundation | |
| 35 | 2 | I | Informe Miguel del Pino | esRadio | |
| 36 | 4 | S | Science with a Twist | Thermo Fisher | |
| 37 | 9 | T | Trás los pasos de Santa Hildegarda de Bingen | JuanDiegoNetwork.com | |
| 38 | 16 | C | Cierta Ciencia - Cienciaes.com | Josefina Cano | |
| 39 | 15 | M | Mi Última Neurona | Jessica Chomik-Morales | |
| 40 | 38 |  | Outside/In | NHPR | |
| 41 | 112 |  | Most Terrifying Places in America | Travel Channel | |
| 42 | 114 | サ | サイエントーク | 研究者レンとイギリス駐在員エマ | |
| 43 | 17 |  | Night Science | Itai Yanai & Martin Lercher | |
| 44 | 25 |  | The Common Descent Podcast | Common Descent | |
| 45 | 6 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 46 | 7 |  | BirdNote Daily | BirdNote | |
| 47 | 126 | C | Clase: Sistema Digestivo Humano | Divina Rosa | |
| 48 | — | T | The Biology of Superheroes Podcast | Dr. Shane Campbell-Staton and Arien Darby | |
| 49 | 18 |  | P.E.E.P. Podcast (People Experiencing Everyday Paranormal) | Nicolle Morock | |
| 50 | 14 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 51 | 2 | P | PolliNation Podcast | Andony Melathopoulos | |
| 52 | — |  | The Numberphile Podcast | Brady Haran | |
| 53 | 16 | P | Palaeocast | Palaeocast | |
| 54 | 2 |  | Plastic Plesiosaur Podcast | Miles Greb | |
| 55 | 61 | P | PhysicsFM | James Rantschler | |
| 56 | 11 | C | Curiosidades de los animales marinos | María | |
| 57 | 17 |  | BrainStuff | iHeartPodcasts | |
| 58 | 17 | I | Intertek's Assurance in Action Podcast Network | Intertek | |
| 59 | 17 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 60 | 22 | D | Dragões de Garagem | Luciano Queiroz & Lucas Marques | |
| 61 | 5 |  | Brain Inspired | Paul Middlebrooks | |
| 62 | 19 |  | Manifold | Steve Hsu | |
| 63 | 24 |  | MonsterTalk | Blake Smith | |
| 64 | 7 | P | Podcast - Nueva+Mente | Tele 13 Radio | |
| 65 | 19 |  | Ask a Spaceman! | Paul M. Sutter | |
| 66 | 19 | F | Fisicast | radioscienza.it | |
| 67 | 19 | H | Histologia | Camila Lemos | |
| 68 | 18 |  | Hillbilly Horror Stories Paranormal Podcast | Jerry Paulley | |
| 69 | 10 | C | Ciencia Fresca - Cienciaes.com | Jorge Laborda y Ángel Rodríguez Lozano | |
| 70 | 26 |  | 6 Ranch Podcast | James Nash | |
| 71 | 16 |  | Ask MIT Climate | MIT Climate Project | |
| 72 | 14 |  | Untold Radio Network | Untold Radio Network | |
| 73 | 12 | B | Biologando sobre a Membrana Plasmática | Caren Rocha | |
| 74 | 12 |  | Planet NOAA | National Oceanic and Atmospheric Administration | |
| 75 | 12 | ژ | ژرفا - Zharfa | Alireza Payandeh | |
| 76 | 16 | G | Gossip Gills | Aquaculture Stewardship Council | |
| 77 | 13 | H | Hablemos de perros | Xila´s | |
| 78 | 11 | W | Welt der Physik | Podcast | Welt der Physik | |
| 79 | 9 |  | Eons: Surviving Deep Time | PBS | |
| 80 | 9 | I | Incrédulos | zigaurre | |
| 81 | 6 | I | Infectious Diseases | ICGEB | |
| 82 | 9 | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 83 | 11 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 84 | 10 |  | Paranormal Portal | Brent Thomas | |
| 85 | 9 | L | Les grandes étapes de la vie | France Inter | |
| 86 | 9 | L | La Buhardilla 2.0 | La Buhardilla 2.0 | |
| 87 | 8 | B | BrayanH4205 | Skrillex 182 | |
| 88 | 8 |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 89 | 2 | A | About Sustainability… | Institute for Global Environmental Strategies | |
| 90 | 9 | C | Cheap Astronomy Podcasts | Steve Nerlich | |
| 91 | 9 | P | PNRI Science: Rare Disease, Real Progress | PNRI | |
| 92 | 9 | N | Nanoscape: Exploring the Frontiers Ahead | International Institute for Nanotechnology at Northwestern University | |
| 93 | 9 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 94 | 9 | L | Logonautes | Celia Alba | |
| 95 | 9 |  | The Science Show | ABC | |
| 96 | 8 | J | jellyfish | nadia | |
| 97 | 8 |  | Oceanography (Video) | UCTV | |
| 98 | 8 | E | El Origen De La Vida | Rodrigo Aburto | |
| 99 | 6 | O | Océanos de Ciencia - Cienciaes.com | cienciaes.com | |
| 100 | 6 | V | Vanguardia de la Ciencia - Cienciaes.com | cienciaes.com | |
