| 1 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 2 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 3 | 1 |  | Espacio en blanco | Radio Nacional | |
| 4 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 5 | 2 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 6 | 1 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 7 | 1 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 8 | — |  | Materia Oscura | ABC | |
| 9 | 5 |  | A hombros de gigantes | Radio 5 | |
| 10 | 1 |  | Arpa Talks | Arpa Talks | |
| 11 | 9 |  | Heavy Mental | David, Javier y Miki | |
| 12 | 117 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 13 | 23 |  | Radiolab | WNYC Studios | |
| 14 | 4 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 15 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 16 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 17 | 6 | L | La Ciencia de A Vivir | Cadena SER | |
| 18 | — | A | Aparici en Órbita | Alberto Aparici | |
| 19 | 24 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 20 | 10 |  | Making Sense with Sam Harris | Sam Harris | |
| 21 | 146 | E | El Guardabosques WildPodcast | Laura Núñez Bañuls y Fracesco Rovedo | |
| 22 | 20 | I | Inteligencia conversacional. El arte de las conversaciones difíciles | Enrique Sacanell Berrueco | |
| 23 | 24 | P | Podcast Radio Skylab | radioskylab_es | |
| 24 | — | T | The Language Neuroscience Podcast | Stephen M. Wilson | |
| 25 | 33 | S | Starts With A Bang podcast | Ethan Siegel | |
| 26 | 18 | A | A Ciencia Cierta | meteolp | |
| 27 | 6 | O | Oscilador Armónico | OsciladorArmónico | |
| 28 | 16 | C | Ciencia para leer | CSIC Divulga | |
| 29 | 16 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 30 | 164 | C | Cienciaes.com | cienciaes.com | |
| 31 | 16 |  | Serendipias | SER Podcast | |
| 32 | 112 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 33 | 5 |  | Curious Cases | BBC Radio 4 | |
| 34 | 5 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 35 | — |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 36 | 19 |  | Mariano Sigman: un podcast de sus libros | Penguin Random House Grupo Editorial | |
| 37 | 8 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 38 | 11 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 39 | 12 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 40 | 20 | H | Hope. El podcast | RNE Audio | |
| 41 | 22 | Á | Ático Primera con Laia Castel | laiascastel | |
| 42 | 21 | A | Astronomía y algo más | Ricardo Garcia | |
| 43 | 49 |  | Fallo de sistema | Radio 3 | |
| 44 | 43 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 45 | 41 | U | Urbanismo y Vivienda | Javier de la Torre | |
| 46 | 93 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 47 | 24 | E | El último humanista | Fernando Espí Forcén | |
| 48 | 24 | Á | Átomos y Bits | Agencia EFE | |
| 49 | 70 | H | Hemispherics | Hemispherics | |
| 50 | 78 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 51 | 76 | S | Solaris | Podium Podcast | |
| 52 | 81 | N | Notas de Naturaleza | Iván Vega | |
| 53 | 28 |  | Ologies with Alie Ward | Alie Ward | |
| 54 | 97 |  | Speed & Scale | TED | |
| 55 | 100 |  | The Sustainability Agenda | Fergal Byrne | |
| 56 | 100 | M | Master Class con Xurxo Mariño: neurociencia | OndaCero | |
| 57 | 30 | L | La Radio del Somormujo | La Radio del Somormujo | |
| 58 | 32 |  | Discovery | BBC World Service | |
| 59 | 117 | P | Punto Bernal | Punto Bernal | |
| 60 | 120 | L | LA MADRIGUERA | José Sacristán (Pepe) | |
| 61 | 135 | D | Domingo de Ciencia | doctorfision | |
| 62 | — | L | La Terra és plana | Catalunya Ràdio | |
| 63 | — |  | Mentes Covalentes | Clara García y Hugo Quintela | |
| 64 | — |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 65 | — | P | PSM Psicología & Salud Mental | Rod Arriola | |
| 66 | — | Q | Questions du soir : l'idée | France Culture | |
| 67 | — | S | Somos naturaleza | El podcast de WWF España 🐼 | Dpto. Comunicación WWF España | |
| 68 | 37 |  | Science Vs | Spotify Studios | |
| 69 | — | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 70 | — |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 71 | 39 | L | Los Barberos | Los Barberos | |
| 72 | — | R | Reserva natural | Radio 5 | |
| 73 | — |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 74 | — | U | Universo paralelo | Universo Paralelo | |
| 75 | — | P | Planeta sostenible | URosarioRadio | |
| 76 | — | L | La Importancia De Ser Agradecido | janette isabel gonzalez diaz | |
| 77 | — | C | Ciencia Fresca - Cienciaes.com | Jorge Laborda y Ángel Rodríguez Lozano | |
| 78 | — |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 79 | — | R | Rompiendo Esquemas | Rompiendo Esquemas | |
| 80 | — |  | Wanderlust | Paula Martín Camargo | |
| 81 | — | E | Extracción de Hachis Cannabis y Marihuana. | CANNABIS socialdrive MARIHUANA | |
| 82 | — | L | Le comptoir de la psychologie | Le comptoir de la psychologie | |
| 83 | — | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 84 | 50 | R | Radio de Supervivencia | David Martinez | |
| 85 | 48 |  | The Quanta Podcast | Quanta Magazine | |
| 86 | 48 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 87 | 48 | C | Choses à Savoir SCIENCES | Choses à Savoir | |
| 88 | 48 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 89 | 48 | F | Física de la Historia. Ciencia e historia variada. | Física de la Historia. | |
| 90 | 44 |  | BBC Inside Science | BBC Radio 4 | |
| 91 | 39 | E | Espacio en blanco | Radio Nacional | |
| 92 | 39 | A | Astro Podcast | Astro Podcast | |
| 93 | 45 | L | La Terre au carré | France Inter | |
| 94 | 44 | R | Redes (Eduard Punset) | ivoox | |
| 95 | 40 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 96 | 42 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 97 | 41 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 98 | 41 | G | GeoCastAway | GeoNáufragos | GeoCastAway | |
| 99 | 40 | E | Entre probetas | Radio 5 | |
| 100 | 38 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
