| 1 | 17 | Á | Ático Primera con Laia Castel | laiascastel | |
| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 3 | — |  | Materia Oscura | ABC | |
| 4 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | — | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 5 | 1 |  | Horizonte – Iker Jiménez | Mediaset | |
| 6 | 2 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 6 | 1 |  | A hombros de gigantes | Radio 5 | |
| 9 | 1 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 9 | 6 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 11 | — | L | La Ciencia de A Vivir | Cadena SER | |
| 11 | 7 | C | Catástrofe ultravioleta | elDiario.es | |
| 12 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 12 | 2 |  | Science Weekly | The Guardian | |
| 13 | 8 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 13 | 3 | Á | Átomos y Bits | Agencia EFE | |
| 15 | 5 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 16 | 16 | A | Astronomía y algo más | Ricardo Garcia | |
| 17 | 4 |  | Discovery | BBC World Service | |
| 17 | — |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 17 | 1 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 19 | 28 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 20 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 21 | 81 | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 21 | 3 | A | Aparici en Órbita | Alberto Aparici | |
| 21 | 5 |  | Arpa Talks | Arpa Talks | |
| 22 | 91 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 22 | 7 |  | Heavy Mental | David, Javier y Miki | |
| 23 | 12 | T | Tras la tormenta | Radio Nacional | |
| 24 | 8 |  | Почему мы еще живы | libo/libo | |
| 25 | 5 |  | BBC Inside Science | BBC Radio 4 | |
| 27 | 8 | C | Clau, quiero ser ingeniera | PODTWIST | |
| 28 | 10 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 28 | 3 |  | Serendipias | SER Podcast | |
| 30 | — | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 31 | — | C | Ciencia Fresca - Cienciaes.com | Jorge Laborda y Ángel Rodríguez Lozano | |
| 31 | 8 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 31 | — | O | Océanos de Ciencia - Cienciaes.com | cienciaes.com | |
| 32 | 9 |  | Ologies with Alie Ward | Alie Ward | |
| 33 | 4 | L | La Terra és plana | Catalunya Ràdio | |
| 35 | 35 | V | VerdCOAMB del Col·legi d'Ambientòlegs de Catalunya | COAMB Col·legi d'Ambientòlegs | |
| 36 | 16 | E | El sueño de Laika | JuanMa Parrondo | |
| 36 | 3 |  | Sapiens | Radio Nacional | |
| 36 | 20 |  | Ciencia y aparte (by Xataka) | Webedia | |
| 37 | 3 | B | Boring History for Sleep | Velvet | |
| 37 | 7 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 38 | 2 | P | Punto Bernal | Punto Bernal | |
| 39 | 20 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 40 | 43 |  | Speaking of Psychology | American Psychological Association | |
| 41 | 47 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 42 | 86 |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 43 | 25 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 43 | 5 |  | Science Friday | Science Friday and WNYC Studios | |
| 44 | 8 | T | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 44 | 19 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 44 | 8 | E | Espacio en blanco | Radio Nacional | |
| 45 | 32 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 45 | 37 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 48 | 14 | L | La aventura de la vida | Félix Rodriguez de la Fuente | |
| 48 | 60 | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 49 | — | 5 | 5.0 | Radio 5 | |
| 51 | 56 | E | El Orbitador | El Orbitador Podcast | |
| 52 | 69 |  | Noosfera | La Razón | |
| 53 | 10 |  | Wissen Weekly | Spotify Studios | |
| 54 | 69 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 55 | 54 |  | Das Wissen | SWR | SWR | |
| 55 | 24 | C | Cuentos Cuánticos | CCuanticos | |
| 56 | 69 |  | Unexpected Elements | BBC World Service | |
| 57 | 9 |  | Science Vs | Spotify Studios | |
| 57 | 16 |  | The Quanta Podcast | Quanta Magazine | |
| 58 | 131 |  | Science In Action | BBC World Service | |
| 58 | 24 | E | El bosque habitado | Radio 3 | |
| 59 | — |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 60 | 81 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 60 | — |  | The world, the universe and us | New Scientist | |
| 60 | — | L | La Ciencia Pop | Gabriel León | |
| 61 | 112 | U | Ulises y la Ciencia - Cienciaes.com | cienciaes.com | |
| 61 | — |  | Choses à Savoir CERVEAU | Choses à Savoir | |
| 62 | 30 | C | Ciencia para leer | CSIC Divulga | |
| 62 | — |  | The 365 Days of Astronomy | 365DaysOfAstronomy.org | |
| 63 | — |  | From Concept to Medicine - A Comprehensive Drug Development Journey | Jim Mitchell | |
| 64 | 29 |  | Curious Cases | BBC Radio 4 | |
| 65 | 7 |  | Radiowissen | Bayerischer Rundfunk | |
| 66 | 27 | E | El último humanista | Fernando Espí Forcén | |
| 66 | 25 |  | Overheard at National Geographic | National Geographic | |
| 67 | 118 |  | The Astrophysics Podcast | Paul Duffell | |
| 67 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 68 | — |  | Short Wave | NPR | |
| 69 | 18 |  | Голый землекоп | libo/libo | |
| 69 | 124 | V | Vanguardia de la Ciencia - Cienciaes.com | cienciaes.com | |
| 70 | 9 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 70 | — |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 70 | — | A | Adam Walker’s Pharma Prescribed Podcast | Adam Walker | |
| 71 | 18 | J | Jodisea Mundo Odiseas Documentales Podcast para dormir en Español Audio Libros Historia Niños+Adulto | Orbinea Studio | |
| 71 | 18 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 72 | 13 | G | GI EndoCast | Boston Scientific Endoscopy | |
| 72 | 66 | M | MenteScopia, salud mental y neurociencia | Podcastidae.com | |
| 73 | — |  | PCICS Podcast | The Podcast for Pediatric Cardiac Critical Care | |
| 73 | — | B | Bioquímica Para Todos | luis sanchez | |
