| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | 1 |  | Horizonte – Iker Jiménez | Mediaset | |
| 2 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 4 | 2 |  | Materia Oscura | ABC | |
| 5 | 1 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 5 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 7 | 2 |  | A hombros de gigantes | Radio 5 | |
| 7 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 8 | — |  | Heavy Mental | David, Javier y Miki | |
| 8 | 7 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 10 | 3 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 11 | 2 |  | Radiolab | WNYC Studios | |
| 11 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | — | C | Catástrofe ultravioleta | elDiario.es | |
| 13 | 2 |  | Serendipias | SER Podcast | |
| 16 | 2 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 16 | 5 | L | La Ciencia de A Vivir | Cadena SER | |
| 18 | 9 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 19 | 3 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 19 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 20 | 8 |  | Sapiens | Radio Nacional | |
| 20 | 4 | Á | Ático Primera con Laia Castel | laiascastel | |
| 21 | — | L | La Brújula de la Ciencia | Alberto Aparici | |
| 22 | 3 | Á | Átomos y Bits | Agencia EFE | |
| 22 | 49 | E | El jardín en que me he metido | Erina Wild | |
| 23 | — | A | A Ciencia Cierta | meteolp | |
| 24 | 19 |  | Nature Podcast | Springer Nature Limited | |
| 24 | 5 | T | Tras la tormenta | Radio Nacional | |
| 25 | 5 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 25 | 11 |  | Manifold | Steve Hsu | |
| 26 | 4 | A | Aparici en Órbita | Alberto Aparici | |
| 26 | 9 | C | Ciencia para leer | CSIC Divulga | |
| 28 | 7 |  | Ologies with Alie Ward | Alie Ward | |
| 29 | 10 |  | TED Talks Science and Medicine | TED | |
| 30 | 5 | O | Oscilador Armónico | OsciladorArmónico | |
| 30 | 9 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 32 | — |  | A Question of Science | The Francis Crick Institute | |
| 32 | — | T | The ECTRIMS Podcast | The European Committee for Treatment and Research in Multiple Sclerosis | |
| 33 | — | C | Cienciaes.com | cienciaes.com | |
| 33 | 15 |  | Science Vs | Spotify Studios | |
| 33 | — | S | Science on the Menu: A Food Safety Podcast by EFSA | European Food Safety Authority (EFSA) | |
| 34 | 10 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 35 | 1 |  | Arpa Talks | Arpa Talks | |
| 36 | 23 | L | La Terre au carré | France Inter | |
| 37 | 23 |  | Ciencia y aparte (by Xataka) | Webedia | |
| 37 | — |  | More or Less | BBC Radio 4 | |
| 39 | 6 | L | La Terra és plana | Catalunya Ràdio | |
| 39 | 16 |  | Discovery | BBC World Service | |
| 40 | — | C | CardioPODCAST | Sociedad Española de Cardiología | |
| 41 | — |  | Proxy with Yowei Shaw | Y3 Productions | |
| 42 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 42 | 30 | D | Desmontando La firma de Dios | Podium Podcast | |
| 43 | 128 |  | Curious Cases | BBC Radio 4 | |
| 44 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 45 | 117 |  | Jefillysh: Ciencia Simplificada | Carolina Jefillysh | |
| 46 | 29 |  | Notas Históricas | Roi Espino Cid | |
| 46 | — | A | Astro Podcast | Astro Podcast | |
| 47 | 5 | T | Tierra a la vista | SER Podcast | |
| 47 | — | D | Domingo de Ciencia | doctorfision | |
| 48 | 6 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 48 | — |  | Speaking of Psychology | American Psychological Association | |
| 48 | 60 |  | Short Wave | NPR | |
| 49 | 21 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 49 | 2 | H | Hablando de psicología | Facultad de Psicología-UNED | |
| 50 | 34 | C | Cerebros sin fronteras. El podcast | RNE Audio | |
| 50 | 19 |  | Making Sense with Sam Harris | Sam Harris | |
| 51 | — | A | ATEEP: Antes todo esto era plasma | AstroLab | |
| 51 | 51 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 52 | — |  | Unexplainable | Vox | |
| 52 | — | S | Science Rehashed | Science Rehashed Inc. | |
| 53 | 50 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 53 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 54 | 18 |  | Aparici en Órbita | OndaCero | |
| 54 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 55 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 55 | — |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 56 | — | C | Cultures of Energy | Dominic Boyer | |
| 56 | — | F | FisioPodcast | Ruben Hernandez | |
| 57 | 57 | N | Notas de Naturaleza | Iván Vega | |
| 58 | — |  | Historien om alt | Podimo | |
| 59 | 19 | R | Radio de Supervivencia | David Martinez | |
| 60 | — |  | Templeton Ideas Podcast | John Templeton Foundation | |
| 61 | 29 | E | EHUpodcast | Universidad del País Vasco/Euskal Herriko Unibertsitatea (EHU) | |
| 62 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 62 | 111 |  | Conferencias | Borja Vilaseca | |
| 63 | — | B | Bacteriófagos | Carmela García Doval | |
| 64 | — | M | Matemáticas en el mundo | MathNetic | |
| 64 | — |  | Strange and Unexplained | Cristina Gomez | |
| 65 | 23 | R | Redes (Eduard Punset) | ivoox | |
| 66 | — |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 66 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 67 | — |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 67 | — | B | Biología de Tranquis | Nico Palanca | |
| 68 | 22 | G | GeoCastAway | GeoNáufragos | GeoCastAway | |
| 69 | 26 | E | El Podcast de Phil Hugo | Phil Hugo | |
| 70 | — | A | Aboga&Cia - Tertulia Jurídica - Podcast de Derecho | Ángel Seisdedos | |
| 72 | — |  | SUBSTANCE | BASF | |
| 73 | — | M | Moral Understanding To Go | Kurt Gray | |
| 73 | — |  | Robinson's Podcast | Robinson Erhardt | |
| 73 | — |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
