| 1 | — |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 2 | — |  | Jefillysh: Ciencia Simplificada | Carolina Jefillysh | |
| 3 | — | C | Curiosidad radical | Podium Podcast | |
| 4 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | 2 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 6 | 2 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 7 | 2 |  | Ground Truths | Eric Topol | |
| 8 | 2 |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
| 9 | 1 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 10 | 1 | D | DMW - Deutsche Medizinische Wochenschrift | Thieme Verlagsgruppe | |
| 11 | — |  | Materia Oscura | ABC | |
| 12 | 10 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 13 | 1 | V | Volvámonos Verdes | VV Podcast | |
| 14 | 1 | C | Ciencia para leer | CSIC Divulga | |
| 15 | 5 | L | La Ciencia Pop | Gabriel León | |
| 16 | 20 |  | Ologies with Alie Ward | Alie Ward | |
| 17 | 3 |  | The Climate Question | BBC World Service | |
| 18 | 3 | C | Conversations for The Amazon We Want | Science Panel for the Amazon | |
| 19 | 3 | T | Te Informamos Sobre La Contaminación | kimena Galindo | |
| 20 | 3 | C | CULTURA INTELECTUAL | Sergio Rangel | |
| 21 | 3 | T | Ten Percent Happier with Dan Harris | 5 minute podcast summaries | Harry Party | |
| 22 | 3 |  | The Science of Birds | Ivan Phillipsen | |
| 23 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 24 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 25 | 5 |  | Radiolab | WNYC Studios | |
| 26 | 42 |  | Discovery | BBC World Service | |
| 27 | — |  | Breaking Math Podcast | Autumn Phaneuf | |
| 28 | 50 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 29 | 14 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 30 | 56 | C | Cienciaes.com | cienciaes.com | |
| 31 | 153 | M | Mi Última Neurona | Jessica Chomik-Morales | |
| 32 | — |  | Invisibilia | NPR | |
| 33 | — | C | Ciencia Fresca - Cienciaes.com | Jorge Laborda y Ángel Rodríguez Lozano | |
| 34 | — |  | Lifespan: Stories of Illness, Accident, and Recovery | WOUB Public Media | |
| 35 | 9 |  | Órbita Laika. El podcast | RNE Audio | |
| 36 | 5 |  | Espacio en blanco | Radio Nacional | |
| 37 | 44 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 38 | 10 |  | A hombros de gigantes | Radio 5 | |
| 39 | 74 | L | La Ciencia de A Vivir | Cadena SER | |
| 40 | 125 | Á | Ático Primera con Laia Castel | laiascastel | |
| 41 | 154 |  | Making Sense with Sam Harris | Sam Harris | |
| 42 | — | E | Everything Hertz | Dan Quintana | |
| 43 | 14 |  | The Michael Shermer Show | Michael Shermer | |
| 44 | 20 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 45 | 11 | L | La entomología | Noel Morales | |
| 46 | 30 |  | TheThinkingAtheist | The Thinking Atheist | |
| 47 | 76 | L | Low Tech Podcast – Low Technology Institute | Low Technology Institute | |
| 48 | 99 |  | Babbage from The Economist | The Economist | |
| 49 | 145 |  | Science Weekly | The Guardian | |
| 50 | — | N | Naruhodo | B9, Naruhodo, Ken Fujioka, Altay de Souza | |
| 51 | 26 | P | Podcast Radio Skylab | radioskylab_es | |
| 52 | 5 | L | Le billet sciences | franceinfo | |
| 53 | 16 |  | La Science, CQFD | France Culture | |
| 54 | 21 |  | Podcast de la División de Anestesiología UC | Maximiliano Zamora H. | |
| 55 | 5 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 56 | 29 |  | Heavy Mental | David, Javier y Miki | |
| 57 | 18 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 58 | 12 |  | Lost Women of Science | Lost Women of Science | |
| 59 | 27 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 60 | 5 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 61 | — | C | CardioPODCAST | Sociedad Española de Cardiología | |
| 62 | — | C | Ciclo de Krebs-Indeliza Medina | Indeliza Medina | |
| 63 | — | V | Vida Extraterrestre | Yuri Daniel Bialeski | |
| 64 | 34 |  | Speaking of Psychology | American Psychological Association | |
| 65 | 34 | S | Sinapsis EMPodcast | Marco | |
| 66 | 10 |  | Science Vs | Spotify Studios | |
| 67 | 7 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 68 | 33 |  | Radiowissen | Bayerischer Rundfunk | |
| 69 | 114 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 70 | 15 |  | Unexplainable | Vox | |
| 71 | 23 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 72 | 30 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 73 | 24 |  | Science Friday | Science Friday and WNYC Studios | |
| 74 | 36 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 75 | 20 | P | Palavrões da Ciência | Palavrões da Ciência | |
| 76 | 19 |  | Speed & Scale | TED | |
| 77 | 19 | M | MicroTalks: Conversaciones con los expertos más allá de la microbiología | bioMérieux | |
| 78 | 19 | D | Direito Internacional Hoje | Aline Beltrame de Moura | |
| 79 | 39 |  | Das Wissen | SWR | SWR | |
| 80 | 48 |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 81 | 49 |  | Nature Podcast | Springer Nature Limited | |
| 82 | 69 |  | Plant People | New York Botanical Garden | |
| 83 | — | A | AviPodcast | Nettius | |
| 84 | 40 |  | More or Less | BBC Radio 4 | |
| 85 | 40 |  | The Pie: An Economics Podcast | Becker Friedman Institute at UChicago | |
| 86 | 13 |  | The Data Science Education Podcast | Berkeley Data Science | |
| 87 | 13 | K | KI verstehen | Deutschlandfunk | |
| 88 | 13 | D | Deep Science | Deutschlandfunk | |
| 89 | 38 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 90 | 38 | O | On refait la planète | RTL | |
| 91 | 38 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 92 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 93 | 39 |  | PBS News Hour - Science | PBS News | |
| 94 | 33 |  | Short Wave | NPR | |
| 95 | 33 | A | ASMR | ASMR | |
| 96 | 12 | A | Aparici en Órbita | Alberto Aparici | |
| 97 | 34 |  | Let's Learn Everything! | Maximum Fun | |
| 98 | 9 |  | Aparici en Órbita | OndaCero | |
| 99 | 8 | A | A Ciencia Cierta | meteolp | |
| 100 | 10 |  | Noosfera | La Razón | |
