| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 3 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 3 | 1 | S | Stuff To Blow Your Mind (Spanish) | iHeartPodcasts | |
| 4 | 1 | C | Catástrofe ultravioleta | elDiario.es | |
| 6 | — |  | Materia Oscura | ABC | |
| 7 | 1 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 7 | 2 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 8 | 1 |  | A hombros de gigantes | Radio 5 | |
| 10 | — | H | Hope. El podcast | RNE Audio | |
| 11 | 1 | T | Tras la tormenta | Radio Nacional | |
| 11 | 1 |  | Heavy Mental | David, Javier y Miki | |
| 12 | 6 | Á | Ático Primera con Laia Castel | laiascastel | |
| 13 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 15 | 1 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 15 | 6 | O | Oscilador Armónico | OsciladorArmónico | |
| 16 | 2 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 16 | 4 |  | Órbita Laika. El podcast | RNE Audio | |
| 17 | 5 | L | La Ciencia de A Vivir | Cadena SER | |
| 17 | 4 |  | Serendipias | SER Podcast | |
| 18 | 2 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 20 | 5 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 21 | 9 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 22 | 10 |  | Sapiens | Radio Nacional | |
| 23 | 8 |  | The world, the universe and us | New Scientist | |
| 23 | 5 |  | More or Less | BBC Radio 4 | |
| 23 | 79 |  | Ciência Suja | Ciência Suja | |
| 25 | 4 | Á | Átomos y Bits | Agencia EFE | |
| 26 | 2 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 26 | 35 | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 27 | 2 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 27 | 36 |  | Aparici en Órbita | OndaCero | |
| 28 | 2 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 28 | — |  | Radiolab | WNYC Studios | |
| 29 | 11 |  | Making Sense with Sam Harris | Sam Harris | |
| 30 | 11 |  | BBC Inside Science | BBC Radio 4 | |
| 31 | 2 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 32 | 13 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 33 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 33 | 24 | E | Espacio en blanco | Radio Nacional | |
| 34 | 1 |  | ESA Explores | European Space Agency | |
| 35 | 1 | N | No te lo habían contado, hasta hoy | Perdidos en matemática | |
| 36 | 14 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 37 | 1 |  | Curious Cases | BBC Radio 4 | |
| 38 | 42 |  | The Life Of The Mind by Steven Pinker | This Is 42 | |
| 39 | 2 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 40 | 27 |  | Universe Today Podcast | Fraser Cain | |
| 41 | 34 | 3 | 3 Chanchitos | Almar | |
| 41 | 3 | M | My Favorite Theorem | Kevin Knudson & Evelyn Lamb | |
| 42 | 22 | E | El último humanista | Fernando Espí Forcén | |
| 43 | 52 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 43 | 19 |  | Arpa Talks | Arpa Talks | |
| 44 | 22 |  | New Books in Critical Theory | Marshall Poe | |
| 45 | 3 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 46 | 22 | A | Aparici en Órbita | Alberto Aparici | |
| 47 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 48 | — | E | Environmental Insights: Conversations on policy and practice from the Harvard Environmental Economics Program | Harvard Environmental Economics Program | |
| 49 | 3 | F | Física de la Historia. Ciencia e historia variada. | Física de la Historia. | |
| 50 | 1 | A | Astronomía y algo más | Ricardo Garcia | |
| 51 | 3 | L | La Mare de la Ciència | PRBB | |
| 54 | 27 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 55 | 29 |  | IQ - Wissenschaft und Forschung | Bayerischer Rundfunk | |
| 56 | — | E | El Camarote de Darwin | El Camarote de Darwin | |
| 56 | 20 | C | Cienciaes.com | cienciaes.com | |
| 56 | 3 |  | Raising Health | Andreessen Horowitz, a16z Bio + Health | |
| 57 | — |  | Mentes Covalentes | Clara García y Hugo Quintela | |
| 58 | 3 | N | Nauka To Lubię | Tomasz Rożek | |
| 59 | 5 |  | Speaking of Psychology | American Psychological Association | |
| 60 | — | B | Bonsai Para principiantes | Bonsai para principiantes Leonardo A. A. | |
| 60 | 28 |  | Fallo de sistema | Radio 3 | |
| 61 | 30 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 61 | — |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 62 | 5 |  | Short Wave | NPR | |
| 62 | — |  | In Defense of Plants Podcast | In Defense of Plants | |
| 63 | 4 | A | Astronomía Autodidacta | Carlos Andres Carvajal Tascon | |
| 63 | — | L | Lección de anatomía | OndaCero | |
| 64 | — | L | Linguistics Behind the Scenes | Linguistics BTS | |
| 65 | — | T | This Anthro Life | Anthrocurious, LLC | |
| 65 | 76 | P | Punto Bernal | Punto Bernal | |
| 66 | — | Q | Quantum Revolution with Karen Curry Parker | Karen Curry Parker | |
| 66 | 2 | L | La Terra és plana | Catalunya Ràdio | |
| 68 | 6 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 69 | 4 | E | El sueño de Laika | JuanMa Parrondo | |
| 70 | 4 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 71 | 34 | S | Solaris | Podium Podcast | |
| 72 | 94 | R | Radio de Supervivencia | David Martinez | |
| 73 | 5 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 74 | 29 |  | Der KI-Podcast | ARD | |
| 75 | 5 | A | ATEEP: Antes todo esto era plasma | AstroLab | |
| 76 | 5 |  | Science Vs | Spotify Studios | |
| 77 | 5 | A | Astronomía a tu Alcance | Jose M. Candelaria | |
| 78 | 5 | L | LSHTM Viral | LSHTM | |
| 79 | 5 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 80 | 5 | L | La Ciencia Pop | Gabriel León | |
| 82 | 43 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 83 | 36 |  | Discovery | BBC World Service | |
| 83 | — | C | Ciencia para leer | CSIC Divulga | |
| 84 | 6 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 86 | 7 |  | Unexplainable | Vox | |
| 87 | 6 | C | Clinical neurology with KD | Krishnadas N C | |
