| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | — |  | Horizonte – Iker Jiménez | Mediaset | |
| 2 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 3 | 1 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 3 | 1 |  | Materia Oscura | ABC | |
| 6 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 6 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 7 | 1 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 8 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 8 | — | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 10 | 1 |  | Radiolab | WNYC Studios | |
| 11 | 5 |  | Heavy Mental | David, Javier y Miki | |
| 12 | — |  | A hombros de gigantes | Radio 5 | |
| 12 | 2 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 12 | 22 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 13 | 2 | L | La Ciencia de A Vivir | Cadena SER | |
| 14 | 2 | C | Catástrofe ultravioleta | elDiario.es | |
| 14 | 2 |  | Sapiens | Radio Nacional | |
| 16 | 2 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 17 | 1 |  | Arpa Talks | Arpa Talks | |
| 18 | 3 | Á | Ático Primera con Laia Castel | laiascastel | |
| 19 | 9 | E | EHUpodcast | Universidad del País Vasco/Euskal Herriko Unibertsitatea (EHU) | |
| 19 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 20 | 1 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 21 | 3 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 21 | 5 | O | Oscilador Armónico | OsciladorArmónico | |
| 22 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 22 | 4 | T | Tras la tormenta | Radio Nacional | |
| 24 | 2 |  | A Question of Science | The Francis Crick Institute | |
| 24 | 28 |  | CrowdScience | BBC World Service | |
| 24 | 35 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 25 | — | N | Notas de Naturaleza | Iván Vega | |
| 26 | — | E | El Guardabosques WildPodcast | Laura Núñez Bañuls y Fracesco Rovedo | |
| 26 | 44 | E | El último humanista | Fernando Espí Forcén | |
| 27 | 75 |  | TEDTalks Ciencia y Medicina | TED | |
| 27 | 1 | C | CardioPODCAST | Sociedad Española de Cardiología | |
| 29 | 1 | Á | Átomos y Bits | Agencia EFE | |
| 29 | 3 | R | Radio de Supervivencia | David Martinez | |
| 29 | 131 |  | TED Talks Science and Medicine | TED | |
| 29 | 2 |  | More or Less | BBC Radio 4 | |
| 30 | 68 | C | Cienciaes.com | cienciaes.com | |
| 30 | 9 |  | Serendipias | SER Podcast | |
| 30 | 10 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 31 | 24 | E | Espacio en blanco | Radio Nacional | |
| 31 | — |  | BBC Inside Science | BBC Radio 4 | |
| 32 | 30 |  | This Week in Cardiology | Medscape | |
| 32 | 139 |  | Science Vs | Spotify Studios | |
| 32 | 3 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 33 | 36 | U | Urbanismo y Vivienda | Javier de la Torre | |
| 34 | 75 | L | La Terra és plana | Catalunya Ràdio | |
| 36 | — | P | Podcast Aeroespacial | Sergio Hidalgo Learreta | |
| 38 | 8 | A | Aparici en Órbita | Alberto Aparici | |
| 38 | 24 |  | IQ - Wissenschaft und Forschung | Bayerischer Rundfunk | |
| 38 | 4 |  | Discovery | BBC World Service | |
| 39 | 17 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 40 | 14 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 40 | 1 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 41 | — | P | Podcast Radio Skylab | radioskylab_es | |
| 41 | 10 |  | Manifold | Steve Hsu | |
| 41 | 37 | H | Hemispherics | Hemispherics | |
| 43 | 5 |  | Mariano Sigman: un podcast de sus libros | Penguin Random House Grupo Editorial | |
| 43 | 52 |  | Nice Genes! | Genome BC | |
| 44 | 124 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 45 | 5 | F | Física y química | Fundación Ramón Areces | |
| 47 | — | R | Rätsel des Unbewußten. Psychoanalyse & Psychotherapie. | Dr. Cécile Loetz & Dr. Jakob Müller | |
| 48 | 117 | E | El Podcast de Phil Hugo | Phil Hugo | |
| 48 | 13 |  | Making Sense with Sam Harris | Sam Harris | |
| 48 | 21 |  | Jefillysh: Ciencia Simplificada | Carolina Jefillysh | |
| 49 | 11 | D | De Ignorancia Sí que Sé | Alberto Aparici | |
| 50 | 2 |  | Fallo de sistema | Radio 3 | |
| 51 | 9 |  | Wissen Weekly | Spotify Studios | |
| 51 | 13 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 52 | 14 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 52 | 9 |  | Ciencia y aparte (by Xataka) | Webedia | |
| 53 | 51 | C | Ciencia para leer | CSIC Divulga | |
| 53 | 13 | L | La taberna del Beagle | Carmela García Doval y Pedro M. Sánchez | |
| 54 | 17 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 56 | 4 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 57 | 17 |  | Speaking of Psychology | American Psychological Association | |
| 58 | 13 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 60 | — |  | When Science Finds a Way | Wellcome | |
| 60 | 19 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 61 | — | D | Don't Miss a Beat | HCPLive Cardiology | |
| 61 | 2 |  | Science Friday | Science Friday and WNYC Studios | |
| 62 | — | C | Cardiology Today | Deconstructed Cardiology | |
| 62 | 64 |  | Conferencias | Borja Vilaseca | |
| 63 | 20 | G | GeoCastAway | GeoNáufragos | GeoCastAway | |
| 63 | — | C | CardiOhio Podcast | Ohio Chapter of the American College of Cardiology | |
| 63 | 17 | A | Astro Podcast | Astro Podcast | |
| 64 | — | D | Discussions about Cardiology from theheart.org | theheart.org | |
| 64 | 89 | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 64 | 20 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 65 | 98 | M | Master Class con Xurxo Mariño: neurociencia | OndaCero | |
| 66 | — | T | Tierra a la vista | SER Podcast | |
| 66 | — |  | Nature Podcast | Springer Nature Limited | |
| 67 | 16 | M | Mundo Insólito Radio | Mundo Insólito Radio | |
| 68 | — |  | Unexplainable | Vox | |
| 68 | 93 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 68 | 23 | E | El bosque habitado | Radio 3 | |
| 69 | 10 | L | La aventura de la vida | Félix Rodriguez de la Fuente | |
