| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 2 | 1 |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 5 | — |  | Materia Oscura | ABC | |
| 5 | — |  | A hombros de gigantes | Radio 5 | |
| 6 | 2 |  | Horizonte – Iker Jiménez | Mediaset | |
| 6 | — | C | Ciencia para leer | CSIC Divulga | |
| 6 | — |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 10 | 1 |  | Órbita Laika. El podcast | RNE Audio | |
| 10 | 6 |  | Heavy Mental | David, Javier y Miki | |
| 11 | 1 | L | La Ciencia de A Vivir | Cadena SER | |
| 11 | 2 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 12 | 2 | E | El último humanista | Fernando Espí Forcén | |
| 12 | — |  | Arpa Talks | Arpa Talks | |
| 13 | 1 | Á | Ático Primera con Laia Castel | laiascastel | |
| 14 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 15 | — | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 15 | 3 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 15 | 8 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 16 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 17 | — | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 17 | 20 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 17 | 2 | C | Cienciaes.com | cienciaes.com | |
| 18 | 9 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 18 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 20 | 7 | O | Oscilador Armónico | OsciladorArmónico | |
| 21 | — | T | Tras la tormenta | Radio Nacional | |
| 21 | 9 |  | Serendipias | SER Podcast | |
| 22 | 7 | A | A Ciencia Cierta | meteolp | |
| 23 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 25 | 11 | Á | Átomos y Bits | Agencia EFE | |
| 26 | 2 |  | Sapiens | Radio Nacional | |
| 26 | 1 |  | Radiolab | WNYC Studios | |
| 27 | 2 |  | Nature Podcast | Springer Nature Limited | |
| 29 | 6 | C | Catástrofe ultravioleta | elDiario.es | |
| 30 | 12 | E | Espacio en blanco | Radio Nacional | |
| 30 | 2 | C | Cruce de cables | Radio Nacional | |
| 31 | 12 | E | El sueño de Laika | JuanMa Parrondo | |
| 31 | 2 |  | The Psychology Podcast | iHeartPodcasts | |
| 32 | 13 |  | BBC Inside Science | BBC Radio 4 | |
| 32 | 9 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 32 | 2 |  | Fallo de sistema | Radio 3 | |
| 35 | 25 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 38 | 11 | L | La Terra és plana | Catalunya Ràdio | |
| 41 | 9 | B | Boring History for Sleep | Velvet | |
| 41 | 8 | R | RAIZ DE 5 - El podcast más hipotenuso | santigarciacc | |
| 41 | 17 | A | Aparici en Órbita | Alberto Aparici | |
| 42 | 13 | D | Data Science para Todos | Jorge Leonardo Loreto | |
| 42 | 3 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 43 | 1 |  | Science Weekly | The Guardian | |
| 44 | — |  | Speaking of Psychology | American Psychological Association | |
| 45 | 14 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 45 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 46 | — |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 47 | 9 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 48 | 5 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 48 | 6 |  | Unexpected Elements | BBC World Service | |
| 49 | 16 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 50 | — |  | Babbage from The Economist | The Economist | |
| 50 | 52 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 51 | 5 |  | Noosfera | La Razón | |
| 51 | — | C | CardioPODCAST | Sociedad Española de Cardiología | |
| 53 | 12 | D | Domingo de Ciencia | doctorfision | |
| 53 | 19 | A | Astro Podcast | Astro Podcast | |
| 54 | 1 | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 54 | — |  | Science Vs | Spotify Studios | |
| 54 | 73 | E | El Podcast de Phil Hugo | Phil Hugo | |
| 56 | 7 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 56 | 16 | M | Mitología Griega | Mauricio Ossa | |
| 57 | 81 |  | Science Friday | Science Friday and WNYC Studios | |
| 58 | — |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 58 | 1 | B | Bacteriófagos | Carmela García Doval | |
| 59 | 12 | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 60 | 74 |  | Geologia Oviedo | Departamento y Facultad de Geología de la Universidad de Oviedo | |
| 61 | — | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 61 | 119 |  | La Conversation scientifique | France Culture | |
| 61 | — |  | All In The Mind | ABC | |
| 62 | 13 | C | Ciencia Fresca - Cienciaes.com | Jorge Laborda y Ángel Rodríguez Lozano | |
| 62 | 89 |  | The Life Scientific | BBC Radio 4 | |
| 62 | 7 |  | Instant Genius | Our Media | |
| 63 | — | N | National Geographic en Español | Aftersight | |
| 63 | 10 |  | Почему мы еще живы | libo/libo | |
| 63 | 131 |  | TED Talks Science and Medicine | TED | |
| 64 | 28 | I | In dubio pro reo | Rocío Arregui Montoya | |
| 65 | 21 | S | Súper Interesante | Súper Interesante Grandes Documentales | |
| 66 | — |  | Accidental Gods | Accidental Gods | |
| 66 | 11 |  | Strength and Conditioning Journal Podcast | Ben Reuter, SCJ Podcast Editor | |
| 66 | — | T | Transmedia | Esteban Galán http://comtransmedia.com/ | |
| 67 | — | L | La Gran Orquestra | incognita | |
| 68 | 36 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 68 | 28 | E | Ecocracia | Loupod | |
| 68 | — | H | Handelsblatt Green & Energy - Der Podcast rund um Nachhaltigkeit, Klima und Energiewende | Kathrin Witsch, Catiana Krapp, Kevin Knitterscheidt, Michael Scheppe | |
| 69 | — |  | Palique Divulgativo | Palique Divulgativo | |
| 70 | — |  | Wanderlust | Paula Martín Camargo | |
| 70 | — |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 70 | 6 | S | Solaris | Podium Podcast | |
| 70 | 91 | C | Café Científico IFCA | IFCA (CSIC-UC) | |
| 71 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 71 | — | L | Los Barberos | Los Barberos | |
