| 1 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 2 | — |  | Espacio en blanco | Radio Nacional | |
| 3 | 22 | C | Catástrofe ultravioleta | elDiario.es | |
| 3 | — |  | Materia Oscura | ABC | |
| 4 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 5 | — | S | Stuff To Blow Your Mind (Spanish) | iHeartPodcasts | |
| 6 | 2 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 6 | 1 | L | La Ciencia de A Vivir | Cadena SER | |
| 7 | 1 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 8 | 10 | T | Tras la tormenta | Radio Nacional | |
| 9 | 4 | Á | Ático Primera con Laia Castel | laiascastel | |
| 10 | 1 |  | A hombros de gigantes | Radio 5 | |
| 11 | 5 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 12 | 2 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 14 | 3 |  | Serendipias | SER Podcast | |
| 14 | 1 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 16 | 5 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 16 | 4 | H | Hope. El podcast | RNE Audio | |
| 17 | 3 |  | Órbita Laika. El podcast | RNE Audio | |
| 19 | 5 |  | Sapiens | Radio Nacional | |
| 19 | 17 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 20 | 6 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 21 | 4 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 21 | 48 | C | Cienciaes.com | cienciaes.com | |
| 22 | — | S | Solaris | Podium Podcast | |
| 23 | — |  | CrowdScience | BBC World Service | |
| 24 | 3 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 24 | 67 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 25 | 62 |  | The Psychology Podcast | iHeartPodcasts | |
| 26 | — | T | The Perception & Action Podcast | Rob Gray | |
| 26 | 13 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 27 | 8 |  | Making Sense with Sam Harris | Sam Harris | |
| 28 | 125 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 28 | 12 |  | Curious Cases | BBC Radio 4 | |
| 29 | 9 | A | Astronomía y algo más | Ricardo Garcia | |
| 30 | 162 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 31 | — |  | Science Weekly | The Guardian | |
| 32 | — |  | BBC Inside Science | BBC Radio 4 | |
| 32 | 57 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 33 | 11 |  | Arpa Talks | Arpa Talks | |
| 33 | 103 | L | La Terra és plana | Catalunya Ràdio | |
| 34 | 99 | R | Radiociencia | radioklara | |
| 34 | 30 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 35 | — |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 36 | — |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 37 | — | A | Astronomía a tu Alcance | Jose M. Candelaria | |
| 38 | 15 |  | Radiolab | WNYC Studios | |
| 38 | 119 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 40 | 134 | R | Radio de Supervivencia | David Martinez | |
| 40 | 8 | O | Oscilador Armónico | OsciladorArmónico | |
| 41 | 47 | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 42 | 42 | B | Boring History for Sleep | Velvet | |
| 44 | 15 | E | Espacio en blanco | Radio Nacional | |
| 44 | — |  | Fallo de sistema | Radio 3 | |
| 45 | 17 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 46 | 16 |  | Science Vs | Spotify Studios | |
| 47 | — |  | Deep Seed - Regenerative Agriculture | Raphael Esterhazy | |
| 47 | 51 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 48 | 17 |  | Heavy Mental | David, Javier y Miki | |
| 49 | 16 | P | Principio de Incertidumbre | Canal Extremadura | |
| 49 | — |  | The Nature Of with Willow Defebaugh | Atmos | |
| 50 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 50 | 85 |  | Conferencias | Borja Vilaseca | |
| 51 | 17 | B | Bacteriófagos | Carmela García Doval | |
| 52 | 17 | A | A Ciencia Cierta | meteolp | |
| 52 | — |  | Der KI-Podcast | ARD | |
| 53 | 88 |  | TEDTalks Ciencia y Medicina | TED | |
| 54 | 121 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 55 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 55 | 105 |  | Mind & Life | Mind & Life Institute | |
| 56 | — | D | DE ESO NO SE HABLA - Alejandro Trapé | Alejandro Trapé | |
| 56 | 19 |  | Divulgación de la geología | Universidad Nacional de Río Negro, Argentina | |
| 57 | 19 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 57 | — |  | Green Dreamer: Seeding change towards collective healing, sustainability, regeneration | kaméa chayne | |
| 58 | 130 |  | The Quanta Podcast | Quanta Magazine | |
| 58 | — | P | Podcast NSCA Spain | NSCA Spain | |
| 59 | — | A | ATEEP: Antes todo esto era plasma | AstroLab | |
| 60 | 19 |  | Почему мы еще живы | libo/libo | |
| 61 | — | N | No te lo habían contado, hasta hoy | Perdidos en matemática | |
| 62 | 19 | L | Los Barberos | Los Barberos | |
| 62 | — | E | El jardín en que me he metido | Erina Wild | |
| 63 | 21 | A | Astronomía Autodidacta | Carlos Andres Carvajal Tascon | |
| 63 | — | S | Sustainability and The Sea | FutureSwell | |
| 64 | 20 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 65 | — | L | La taberna del Beagle | Carmela García Doval y Pedro M. Sánchez | |
| 66 | 21 |  | Robinson's Podcast | Robinson Erhardt | |
| 67 | 10 | L | La Ciencia Pop | Gabriel León | |
| 68 | — | C | Converging Dialogues | Converging Dialogues | |
| 69 | — | L | La aventura de la vida | Félix Rodriguez de la Fuente | |
| 70 | — | H | Historia de la ciencia y de sus protagonistas | Fundación Ramón Areces | |
| 71 | — |  | Short Wave | NPR | |
| 72 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 73 | 24 | H | Hemispherics | Hemispherics | |
| 74 | — | F | Fotografiando la Naturaleza | Xavi Vicient | |
| 75 | 29 | D | Desmontando La firma de Dios | Podium Podcast | |
| 76 | — |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 77 | — |  | Others From Another Mother | Dan Cleary and Chad Shlosser | |
| 78 | 31 | E | Estamos muy verdes | Estamos muy verdes | |
| 79 | 29 |  | The Energy Podcast | Shell | |
| 80 | 25 | V | Vert Demain | Chloé Nabédian | |
