| 1 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 3 | — |  | Materia Oscura | ABC | |
| 4 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 4 | 3 |  | Horizonte – Iker Jiménez | Mediaset | |
| 4 | — | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 6 | — |  | A hombros de gigantes | Radio 5 | |
| 7 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 9 | — | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 9 | — | L | La Ciencia de A Vivir | Cadena SER | |
| 10 | 5 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 10 | 1 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 11 | 3 |  | Órbita Laika. El podcast | RNE Audio | |
| 12 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 13 | — | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 13 | 1 | Á | Ático Primera con Laia Castel | laiascastel | |
| 14 | 2 | O | Oscilador Armónico | OsciladorArmónico | |
| 16 | 13 | Á | Átomos y Bits | Agencia EFE | |
| 18 | — |  | Heavy Mental | David, Javier y Miki | |
| 18 | 2 | C | Catástrofe ultravioleta | elDiario.es | |
| 19 | — | A | Aparici en Órbita | Alberto Aparici | |
| 20 | 9 |  | Sapiens | Radio Nacional | |
| 20 | — | T | Tras la tormenta | Radio Nacional | |
| 21 | 52 | N | New Books in Anthropology | New Books Network | |
| 21 | 18 | A | Astronomía Autodidacta | Carlos Andres Carvajal Tascon | |
| 21 | 4 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 22 | — | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 22 | 2 |  | Discovery | BBC World Service | |
| 23 | 76 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 24 | 8 |  | Science Weekly | The Guardian | |
| 27 | — | N | New Books in Science, Technology, and Society | New Books Network | |
| 27 | 9 |  | Curious Cases | BBC Radio 4 | |
| 28 | 9 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 28 | 9 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 29 | 4 |  | Aparici en Órbita | OndaCero | |
| 30 | 7 | C | Cienciaes.com | cienciaes.com | |
| 30 | 11 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 30 | 8 |  | BBC Inside Science | BBC Radio 4 | |
| 31 | 11 |  | Radiolab | WNYC Studios | |
| 32 | — | A | A Ciencia Cierta | meteolp | |
| 33 | 3 |  | Unexplainable | Vox | |
| 34 | 29 | E | Espacio en blanco | Radio Nacional | |
| 35 | 13 |  | Fallo de sistema | Radio 3 | |
| 35 | 55 | S | Scientificast, la scienza come non l'hai mai sentita | Scientificast | |
| 35 | 14 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 37 | 11 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 38 | 13 |  | Serendipias | SER Podcast | |
| 40 | 35 | L | Los Barberos | Los Barberos | |
| 40 | 3 |  | Science Vs | Spotify Studios | |
| 41 | 10 |  | Arpa Talks | Arpa Talks | |
| 42 | 66 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 43 | 16 | B | Boring History for Sleep | Velvet | |
| 44 | 5 | E | El último humanista | Fernando Espí Forcén | |
| 44 | 28 | C | Ciencia Fresca - Cienciaes.com | Jorge Laborda y Ángel Rodríguez Lozano | |
| 45 | 50 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 45 | 10 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 46 | 11 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 46 | 52 | T | The Criminology Academy | Jose Sanchez and Jenn Tostlebe | |
| 47 | 18 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 47 | 2 |  | Science Magazine Podcast | Science Magazine | |
| 48 | — | P | Punto Bernal | Punto Bernal | |
| 48 | 6 | E | El Podcast de Phil Hugo | Phil Hugo | |
| 49 | 76 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 50 | — | D | Desde el Observatorio | Astronomia UdeA | |
| 50 | 18 |  | TED Talks Science and Medicine | TED | |
| 52 | 50 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 52 | 109 | L | Loose, Vague, and Indeterminate | George Mason Economics Society | |
| 52 | — |  | Luces eXtrañas | Nestor GM | |
| 52 | — | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 53 | 19 | L | Les idées larges | ARTE Radio | |
| 54 | 15 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 56 | 5 | N | Notas de Naturaleza | Iván Vega | |
| 57 | — | P | Philosophy | Cambridge University | |
| 57 | 5 | R | Radio de Supervivencia | David Martinez | |
| 58 | 17 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 59 | 18 |  | A Question of Science | The Francis Crick Institute | |
| 59 | 138 | T | The Received Wisdom - Shobita Parthasarathy | Unknown | |
| 59 | 77 | A | ATEEP: Antes todo esto era plasma | AstroLab | |
| 60 | — |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 60 | 3 | B | Biología de Tranquis | Nico Palanca | |
| 61 | 25 | L | La Terra és plana | Catalunya Ràdio | |
| 64 | 1 | G | GeoCastAway | GeoNáufragos | GeoCastAway | |
| 64 | — |  | Почему мы еще живы | libo/libo | |
| 65 | 8 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 66 | — |  | New Books in Critical Theory | Marshall Poe | |
| 66 | 15 | H | Human Action: A Treatise on Economics | Ludwig von Mises | |
| 67 | 14 |  | MinuteEarth | Minute Earth | |
| 68 | — |  | The Behavioral Design Podcast | Samuel Salzer and Aline Holzwarth | |
| 68 | 23 |  | Manifold | Steve Hsu | |
| 69 | 25 |  | Rare Earth | BBC Radio 4 | |
| 70 | 5 |  | ScienceStuff | iHeartPodcasts | |
| 70 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 71 | — | R | RAIZ DE 5 - El podcast más hipotenuso | santigarciacc | |
| 71 | 20 | A | Astro Podcast | Astro Podcast | |
| 72 | 12 | M | Master Class con Xurxo Mariño: neurociencia | OndaCero | |
| 73 | 20 | C | Cruce de cables | Radio Nacional | |
| 74 | — | T | The Sociology Show | Matthew Wilkin | |
| 74 | 24 |  | Unexpected Elements | BBC World Service | |
| 75 | — |  | Proxy with Yowei Shaw | Y3 Productions | |
