| 1 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 3 | 2 |  | Materia Oscura | ABC | |
| 4 | 1 | C | Catástrofe ultravioleta | elDiario.es | |
| 5 | 1 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 6 | — | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 8 | 1 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 8 | 2 | L | La Ciencia de A Vivir | Cadena SER | |
| 9 | 2 |  | Horizonte – Iker Jiménez | Mediaset | |
| 10 | 2 |  | A hombros de gigantes | Radio 5 | |
| 11 | 1 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 12 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 13 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | 3 | Á | Átomos y Bits | Agencia EFE | |
| 13 | 5 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 15 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 15 | 3 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 15 | 4 |  | Heavy Mental | David, Javier y Miki | |
| 17 | — | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 18 | 4 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 20 | 9 | T | Tras la tormenta | Radio Nacional | |
| 21 | — | C | Cienciaes.com | cienciaes.com | |
| 22 | 2 |  | Почему мы еще живы | libo/libo | |
| 23 | 1 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 23 | 1 |  | Serendipias | SER Podcast | |
| 24 | 27 |  | Science In Action | BBC World Service | |
| 26 | 3 |  | Arpa Talks | Arpa Talks | |
| 27 | 1 |  | Fallo de sistema | Radio 3 | |
| 29 | 12 | Á | Ático Primera con Laia Castel | laiascastel | |
| 29 | 8 | C | CardioPODCAST | Sociedad Española de Cardiología | |
| 30 | 6 |  | Science Weekly | The Guardian | |
| 30 | 7 | C | Ciencia Fresca - Cienciaes.com | Jorge Laborda y Ángel Rodríguez Lozano | |
| 31 | 5 | A | Aparici en Órbita | Alberto Aparici | |
| 31 | 3 | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 32 | 2 | H | Hablando de psicología | Facultad de Psicología-UNED | |
| 34 | 9 | A | Astronomía y algo más | Ricardo Garcia | |
| 34 | 10 |  | Sapiens | Radio Nacional | |
| 35 | 2 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 35 | 2 |  | Unexplainable | Vox | |
| 36 | — | L | La Terra és plana | Catalunya Ràdio | |
| 37 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 39 | 2 |  | Babbage from The Economist | The Economist | |
| 39 | 9 | C | Clau, quiero ser ingeniera | PODTWIST | |
| 40 | 5 | L | La Gran Orquestra | incognita | |
| 40 | 20 | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 41 | 33 | U | Universo Oculto. | Universo Oculto | |
| 41 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 43 | 1 |  | Science Friday | Science Friday and WNYC Studios | |
| 43 | — | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 44 | 5 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 45 | 54 |  | Noosfera | La Razón | |
| 45 | 17 | E | El último humanista | Fernando Espí Forcén | |
| 46 | 12 | F | FISIOTERAPIA INVASIVA | Jose Moyano | |
| 46 | 51 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 46 | 67 | E | El Podcast de Phil Hugo | Phil Hugo | |
| 46 | — | E | Espacio en blanco | Radio Nacional | |
| 47 | 6 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 48 | 13 |  | More or Less | BBC Radio 4 | |
| 49 | 7 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 49 | 58 | A | Astronomía Autodidacta | Carlos Andres Carvajal Tascon | |
| 50 | — |  | Nature Podcast | Springer Nature Limited | |
| 50 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 51 | 10 | M | Mente abierta | Radio Nacional | |
| 51 | 52 | R | RAIZ DE 5 - El podcast más hipotenuso | santigarciacc | |
| 54 | 5 |  | All In The Mind | ABC | |
| 55 | 73 |  | Quirks and Quarks | CBC | |
| 55 | — | C | Curiosidades del Universo. Pilar Jurado Peligro | pilarjp | |
| 55 | — |  | A Question of Science | The Francis Crick Institute | |
| 56 | — | T | Teoria da Relatividade - Albert Einstein | Leonardo Cunha da Silva | |
| 56 | — |  | Lost Women of Science | Lost Women of Science | |
| 57 | 6 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 58 | 23 | J | Jodisea Mundo Odiseas Documentales Podcast para dormir en Español Audio Libros Historia Niños+Adulto | Orbinea Studio | |
| 61 | 19 | R | Radio de Supervivencia | David Martinez | |
| 62 | — | P | Principio de Incertidumbre | Canal Extremadura | |
| 62 | 21 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 63 | 27 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 64 | — |  | The Quanta Podcast | Quanta Magazine | |
| 64 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 65 | 12 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 65 | 34 | B | Buena Huella. La Otra Sustancia | Podium Podcast | |
| 65 | — |  | Science Magazine Podcast | Science Magazine | |
| 66 | 115 |  | The Life Scientific | BBC Radio 4 | |
| 66 | 34 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 67 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 67 | 34 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 68 | 9 |  | Speaking of Psychology | American Psychological Association | |
| 69 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 70 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 70 | — |  | Mentes Covalentes | Clara García y Hugo Quintela | |
| 71 | 6 |  | Radiowissen | Bayerischer Rundfunk | |
| 71 | — |  | Physics World Weekly Podcast | Physics World | |
| 72 | — |  | Skeptoid | Brian Dunning | |
| 72 | 18 | N | NEU DENKEN | Mission Wertvoll | |
| 73 | — |  | The Astrophysics Podcast | Paul Duffell | |
| 73 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 73 | 6 | E | El Orbitador | El Orbitador Podcast | |
| 74 | — |  | Methodisch inkorrekt! | Methodisch inkorrekt! | |
| 74 | — | E | El Guardabosques WildPodcast | Laura Núñez Bañuls y Fracesco Rovedo | |
| 75 | — |  | En Clave Rural | esRadio | |
| 75 | — | U | Urbanismo y Vivienda | Javier de la Torre | |
