| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 3 | 1 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 4 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 5 | 2 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 6 | — |  | Materia Oscura | ABC | |
| 7 | — |  | A hombros de gigantes | Radio 5 | |
| 8 | 1 |  | Serendipias | SER Podcast | |
| 9 | 1 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 10 | — | L | La Brújula de la Ciencia | Alberto Aparici | |
| 11 | — | Á | Ático Primera con Laia Castel | laiascastel | |
| 12 | — | L | La Ciencia de A Vivir | Cadena SER | |
| 13 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 14 | 2 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 15 | 1 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 16 | 1 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 17 | 3 |  | Arpa Talks | Arpa Talks | |
| 18 | 3 | E | El último humanista | Fernando Espí Forcén | |
| 19 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 20 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 21 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 22 | 3 | O | Oscilador Armónico | OsciladorArmónico | |
| 23 | 6 |  | Sapiens | Radio Nacional | |
| 24 | 12 | C | Cruce de cables | Radio Nacional | |
| 25 | 8 | A | Astronomía y algo más | Ricardo Garcia | |
| 26 | 20 |  | Radiolab | WNYC Studios | |
| 27 | 24 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 28 | 6 | A | Aparici en Órbita | Alberto Aparici | |
| 29 | 4 |  | Science Weekly | The Guardian | |
| 30 | 44 | H | Heus aquí... la ciència | Eduscopi | |
| 31 | 8 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 32 | 47 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 33 | 61 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 34 | 7 |  | Heavy Mental | David, Javier y Miki | |
| 35 | 11 | E | Espacio en blanco | Radio Nacional | |
| 36 | 54 | C | Ci vuole una scienza | Il Post | |
| 37 | 66 |  | TED Talks Science and Medicine | TED | |
| 38 | 8 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 39 | 11 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 40 | 9 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 41 | 9 | A | A Ciencia Cierta | meteolp | |
| 42 | 8 |  | Noosfera | La Razón | |
| 43 | 2 |  | Discovery | BBC World Service | |
| 44 | 142 | 5 | 5.0 | Radio 5 | |
| 45 | 8 |  | Ciencia al cubo | Radio 5 | |
| 46 | 11 | P | Principio de Incertidumbre | Canal Extremadura | |
| 47 | 16 | L | La Ciencia Pop | Gabriel León | |
| 48 | 8 |  | Speaking of Psychology | American Psychological Association | |
| 49 | 11 | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 50 | 7 |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 51 | 12 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 52 | 10 |  | The Logic of Risk | Pasquale Cirillo | |
| 53 | 6 | S | Solaris | Podium Podcast | |
| 54 | — |  | Overheard at National Geographic | National Geographic | |
| 55 | 11 | C | Cienciaes.com | cienciaes.com | |
| 56 | 8 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 57 | 8 | P | Podcasts de Física | fisicapodcasts | |
| 58 | 8 | S | SERENDIPIA-Divulgación Científica | SERENDIPIA-Divulgación Científica | |
| 59 | 2 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 60 | — | E | El sueño de Laika | JuanMa Parrondo | |
| 61 | — | L | La Filoxera. | La Filoxera | |
| 62 | — | K | Kettenreaktion – Der Wissenschafts-Podcast von Dirk und Sabine Steffens | Dirk und Sabine Steffens | |
| 63 | 10 | 3 | 3 Chanchitos | Almar | |
| 64 | 12 |  | Conferencias | Borja Vilaseca | |
| 65 | 20 | E | El Orbitador | El Orbitador Podcast | |
| 66 | — | Q | Qubit Podcast | QUBIT.HU | |
| 67 | — | � | 🎙️🎙️El Podcast del Agua🎙️🎙️ | Daniel Herrero Marin | |
| 68 | — |  | The Hydrogen Podcast | Paul Rodden | |
| 69 | — | T | The Genetics Podcast | Sano Genetics | |
| 70 | — | V | Vozes Circulares | Observador Lab | |
| 71 | — | L | La proporción cordobesa | Tacet | |
| 72 | — |  | Origin Stories | The Leakey Foundation | |
| 73 | — | A | Astrum Podcast | Dennis Ariel | Astrum Brasil | |
| 74 | — | L | L’actualitat de la UB, en pòdcast | Universitat de Barcelona | |
| 75 | — | R | Ri Science Podcast | The Royal Institution | |
| 76 | — |  | THE CLUB OF ROME PODCAST | The Club of Rome | |
| 77 | — | N | Nullius in Verba | Smriti Mehta and Daniël Lakens | |
| 78 | — | O | One Planet Podcast · Climate Change, Politics, Sustainability, Environmental Solutions, Renewable Energy, Activism, Biodiver | Creative Process Original Series | |
| 79 | — | P | Podcast de la Cátedra de Cambio Climático de la Universidad de Oviedo - CuCC | CuCC-UniOvi y Podcastidae | |
| 80 | 25 | E | El universo y sus misterios | Física 64 | |
| 81 | 25 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 82 | 28 |  | Curious Cases | BBC Radio 4 | |
| 83 | 24 |  | Nature Podcast | Springer Nature Limited | |
| 84 | 26 | C | Código Orión: Ciencia y Misterio | Código Orión: Ciencia y Misterio | |
| 85 | 25 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 86 | 25 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 87 | 25 |  | More or Less | BBC Radio 4 | |
| 88 | 24 | C | Cuentos Cuánticos | CCuanticos | |
| 89 | 24 |  | Голый землекоп | libo/libo | |
| 90 | 24 | P | Podcast Radio Skylab | radioskylab_es | |
| 91 | 24 |  | Brave New World | Evening Standard | |
| 92 | 24 |  | Jefillysh: Ciencia Simplificada | Carolina Jefillysh | |
| 93 | 24 |  | IQ - Wissenschaft und Forschung | Bayerischer Rundfunk | |
| 94 | 21 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 95 | 24 | F | Forschung aktuell | Deutschlandfunk | |
| 96 | 20 | C | Clau, quiero ser ingeniera | PODTWIST | |
| 97 | 20 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 98 | 20 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 99 | 19 | A | Astro Podcast | Astro Podcast | |
| 100 | 19 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
