| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | 3 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 3 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 4 | 2 |  | Materia Oscura | ABC | |
| 5 | 3 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 6 | 2 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 7 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 8 | — |  | A hombros de gigantes | Radio 5 | |
| 9 | 1 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 10 | 1 | Á | Ático Primera con Laia Castel | laiascastel | |
| 11 | — |  | Serendipias | SER Podcast | |
| 12 | 6 | L | La Ciencia de A Vivir | Cadena SER | |
| 13 | 19 | A | A Ciencia Cierta | meteolp | |
| 14 | 22 | C | Cienciaes.com | cienciaes.com | |
| 15 | — | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 16 | 4 |  | Radiolab | WNYC Studios | |
| 17 | 7 | O | Oscilador Armónico | OsciladorArmónico | |
| 18 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 19 | 23 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 20 | 120 | A | Astronomía y algo más | Ricardo Garcia | |
| 21 | 8 | E | El último humanista | Fernando Espí Forcén | |
| 22 | — | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 23 | 3 | P | Podcast Radio Skylab | radioskylab_es | |
| 24 | 5 |  | Heavy Mental | David, Javier y Miki | |
| 25 | 2 |  | More or Less | BBC Radio 4 | |
| 26 | 116 |  | Sapiens | Radio Nacional | |
| 27 | 1 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 28 | 130 | D | De Ignorancia Sí que Sé | Alberto Aparici | |
| 29 | 13 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 30 | 9 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 31 | — | P | Píldoras de Física | Max Alvarez | |
| 32 | 14 |  | Wissen Weekly | Spotify Studios | |
| 33 | 5 | A | Aparici en Órbita | Alberto Aparici | |
| 34 | 16 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 35 | 18 | M | Mitología Griega | Mauricio Ossa | |
| 36 | 17 | 5 | 5.0 | Radio 5 | |
| 37 | 20 | L | La Ciencia Pop | Gabriel León | |
| 38 | 22 | A | Astroacademy | Astroacademy | |
| 39 | 23 |  | Aparici en Órbita | OndaCero | |
| 40 | — |  | Horóscopos y Astrología con Ricardo Villalobos | Ricardo Villalobos | |
| 41 | 29 | A | Aboga&Cia - Tertulia Jurídica - Podcast de Derecho | Ángel Seisdedos | |
| 42 | 30 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 43 | 30 |  | Overheard at National Geographic | National Geographic | |
| 44 | 49 | M | Medidas Cautelares | Manuel Hernández Zamudio | |
| 45 | 52 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 46 | 26 |  | Making Sense with Sam Harris | Sam Harris | |
| 47 | 26 |  | Speaking of Psychology | American Psychological Association | |
| 48 | 25 |  | Unexpected Elements | BBC World Service | |
| 49 | 51 | E | El sueño de Laika | JuanMa Parrondo | |
| 50 | 55 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 51 | 26 |  | Arpa Talks | Arpa Talks | |
| 52 | 58 |  | TED Talks Science and Medicine | TED | |
| 53 | 60 | R | RAIZ DE 5 - El podcast más hipotenuso | santigarciacc | |
| 54 | 62 | E | Eternal Life. Answers from Science - English | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra - English | |
| 55 | 86 | C | Catástrofe ultravioleta | elDiario.es | |
| 56 | 27 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 57 | 27 | H | Hablando de psicología | Facultad de Psicología-UNED | |
| 58 | 86 | C | Cuentos Cuánticos | CCuanticos | |
| 59 | 88 | L | La aventura de la vida | Félix Rodriguez de la Fuente | |
| 60 | 88 | P | Podcasts de Física | fisicapodcasts | |
| 61 | 88 |  | Unexplainable | Vox | |
| 62 | 91 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 63 | 106 | F | Física | Carlos Isaac | |
| 64 | 31 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 65 | 30 |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 66 | 32 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 67 | 36 |  | Fallo de sistema | Radio 3 | |
| 68 | — | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 69 | 32 | D | Domingo de Ciencia | doctorfision | |
| 70 | — |  | Science Vs | Spotify Studios | |
| 71 | — | F | Física a los 40 | Balaguer + Corbi | |
| 72 | — |  | The Social-Engineer Podcast | Social-Engineer, LLC | |
| 73 | — | U | Urbanismo y Vivienda | Javier de la Torre | |
| 74 | — |  | Das Wissen | SWR | SWR | |
| 75 | — |  | TEDTalks Ciencia y Medicina | TED | |
| 76 | — |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 77 | 34 | L | La Radio del Somormujo | La Radio del Somormujo | |
| 78 | — | P | Planeta MUY | Muy Interesante | |
| 79 | — | I | Inside Sport Science | Inside Sport Science | |
| 80 | — | C | Curiosidades de la ciencia | Kitaro la vida es ciencia | |
| 81 | — |  | Entrevistas National Geographic | National Geographic España | |
| 82 | — | Z | Zjisti víc | Jakub Straka, David Klouda | |
| 83 | — |  | So Cultured Podcast | Liv Grant & Taz Shipley | |
| 84 | — | C | Ciencia para leer | CSIC Divulga | |
| 85 | — | W | Wissenschaft im Brennpunkt | Deutschlandfunk | |
| 86 | — |  | Healthcare Perspectives | Siemens Healthineers | |
| 87 | — |  | Strength and Conditioning Journal Podcast | Ben Reuter, SCJ Podcast Editor | |
| 88 | 48 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 89 | 48 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 90 | — |  | The 365 Days of Astronomy | 365DaysOfAstronomy.org | |
| 91 | 46 |  | Short Wave | NPR | |
| 92 | — |  | Science Will Win | Pfizer | |
| 93 | — | D | Datos curiosos | JANNET HERNANDEZ HERNANDEZ | |
| 94 | — | S | Scientificast, la scienza come non l'hai mai sentita | Scientificast | |
| 95 | — | B | BTH-Anatomía | LUIS ENRIQUE GOMEZ CARREÑO | |
| 96 | — | A | Astronomy (Audio) | UCTV | |
| 97 | — | K | Kainaati Gup Shup with Salman Hameed | Salman Hameed | |
| 98 | — |  | NRC Onbehaarde Apen | NRC | |
| 99 | — | A | A Ciencia Cierta | A Ciencia Cierta | |
| 100 | — |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
