| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 3 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 4 | — |  | Materia Oscura | ABC | |
| 5 | — |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 5 | 1 |  | Horizonte – Iker Jiménez | Mediaset | |
| 6 | 2 |  | A hombros de gigantes | Radio 5 | |
| 7 | — | E | Esto no ha pasado | Onda Cero Podcast | |
| 7 | 3 |  | The Rest Is Science | Goalhanger | |
| 10 | 7 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 10 | 6 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 10 | 2 | L | La Ciencia de A Vivir | Cadena SER | |
| 10 | — | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 11 | 1 |  | Órbita Laika. El podcast | RNE Audio | |
| 11 | — | C | Catástrofe ultravioleta | elDiario.es | |
| 11 | 1 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 13 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 14 | — | Á | Átomos y Bits | Agencia EFE | |
| 14 | 1 |  | Sapiens | Radio Nacional | |
| 16 | 4 | B | Boring History for Sleep | Velvet | |
| 16 | 3 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 17 | 5 | E | El último humanista | Fernando Espí Forcén | |
| 17 | 9 |  | Radiolab | WNYC Studios | |
| 19 | 42 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 20 | 9 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 20 | — |  | Heavy Mental | David, Javier y Miki | |
| 21 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 21 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 21 | 3 | O | Oscilador Armónico | OsciladorArmónico | |
| 21 | — |  | Serendipias | SER Podcast | |
| 24 | 9 |  | Arpa Talks | Arpa Talks | |
| 25 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 25 | 9 | A | Aparici en Órbita | Alberto Aparici | |
| 26 | — | L | La aventura de la vida | Félix Rodriguez de la Fuente | |
| 28 | — |  | Accidental Gods | Accidental Gods | |
| 29 | — | C | Cruce de cables | Radio Nacional | |
| 29 | 12 | C | Cienciaes.com | cienciaes.com | |
| 31 | 5 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 31 | 5 |  | Ologies with Alie Ward | Alie Ward | |
| 31 | 18 | E | Espacio en blanco | Radio Nacional | |
| 32 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 32 | 41 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 34 | 103 |  | A Question of Science | The Francis Crick Institute | |
| 35 | 11 | E | Esto no ha pasado (Tampoco es el fin del mundo) | Newtral | |
| 35 | — | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 35 | 12 | L | La Terra és plana | Catalunya Ràdio | |
| 36 | — |  | TEDTalks Ciencia y Medicina | TED | |
| 37 | — | Á | Ático Primera con Laia Castel | laiascastel | |
| 38 | 47 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 39 | — | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 40 | 7 | R | Redes (Eduard Punset) | ivoox | |
| 40 | 12 | D | Domingo de Ciencia | doctorfision | |
| 40 | — | L | La Ciencia Pop | Gabriel León | |
| 41 | 11 | C | Ciencia Fresca - Cienciaes.com | Jorge Laborda y Ángel Rodríguez Lozano | |
| 42 | — | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 43 | — | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 44 | 13 | E | EvidentMENT | Universitat Oberta de Catalunya | Institut d’Estudis Catalans | |
| 45 | — | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 46 | 5 | N | NEU DENKEN | Mission Wertvoll | |
| 46 | 1 | E | El Podcast de Phil Hugo | Phil Hugo | |
| 49 | — |  | Голый землекоп | libo/libo | |
| 49 | 25 |  | Unexplainable | Vox | |
| 49 | 8 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 50 | — | T | Trás los pasos de Santa Hildegarda de Bingen | JuanDiegoNetwork.com | |
| 52 | 15 | I | Informe Miguel del Pino | esRadio | |
| 53 | — | A | Astronomía y algo más | Ricardo Garcia | |
| 53 | 6 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 53 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 54 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 55 | 15 | J | Jodisea Mundo Odiseas Documentales Podcast para dormir en Español Audio Libros Historia Niños+Adulto | Orbinea Studio | |
| 56 | 115 | Z | Zoo de fósiles - Cienciaes.com | cienciaes.com | |
| 56 | 42 |  | More or Less | BBC Radio 4 | |
| 56 | 14 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 57 | 53 | C | Clau, quiero ser ingeniera | PODTWIST | |
| 58 | — | Р | Ричард Докинз "Бог как иллюзия", аудиокнига | alphacentauri | |
| 58 | 21 |  | Aparici en Órbita | OndaCero | |
| 58 | — | S | Science With a View | PRBB | |
| 58 | 114 | E | El Orbitador | El Orbitador Podcast | |
| 59 | — |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 60 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 60 | 15 | A | ATEEP: Antes todo esto era plasma | AstroLab | |
| 61 | 37 | U | Ulises y la Ciencia - Cienciaes.com | cienciaes.com | |
| 61 | — | L | Life Science Success | Don Davis PhD, MBA | |
| 62 | — | M | Masaje Cerebral | Claudio H. Martínez y Andrés Cota H. | |
| 63 | — |  | Conferencias - Institución Libre de Enseñanza | Institución Libre de Enseñanza | |
| 63 | 16 | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 64 | — | G | Growing Worlds | Lorenzo Mugnai | |
| 65 | 3 | M | Method Made: The Tech Transfer Edge in Cell & Gene Therapy | Nico | |
| 66 | 3 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 66 | 20 | A | A Ciencia Cierta | meteolp | |
| 67 | — |  | This Week in Microbiology | Vincent Racaniello | |
| 68 | 22 |  | Noosfera | La Razón | |
| 68 | — |  | Ophthalmology off the Grid by Eyetube | Eyetube | |
| 68 | — |  | Science with Sabine | Sabine Hossenfelder | |
| 69 | 6 | E | El Aprenditivo | Edu Moreno | |
| 69 | 20 | L | La Terre au carré | France Inter | |
| 70 | — | M | Matemañicos | Aragón Radio | |
| 70 | 5 | E | Edition Zukunft | DER STANDARD | |
| 70 | 31 | E | EHUpodcast | Universidad del País Vasco/Euskal Herriko Unibertsitatea (EHU) | |
| 71 | 28 |  | Particles of Thought | GBH | |
