| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 2 | 2 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 3 | — |  | Materia Oscura | ABC | |
| 3 | 1 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 5 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 5 | 1 |  | A hombros de gigantes | Radio 5 | |
| 6 | 2 |  | Horizonte – Iker Jiménez | Mediaset | |
| 7 | 1 | Á | Ático Primera con Laia Castel | laiascastel | |
| 7 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 8 | 1 | L | La Ciencia de A Vivir | Cadena SER | |
| 10 | 3 |  | Arpa Talks | Arpa Talks | |
| 11 | 1 |  | Órbita Laika. El podcast | RNE Audio | |
| 12 | — | O | Oscilador Armónico | OsciladorArmónico | |
| 12 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 14 | — |  | Planet Em | Emily McDonald | |
| 14 | — | C | Cienciaes.com | cienciaes.com | |
| 15 | 1 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 15 | 1 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 16 | — |  | Radiolab | WNYC Studios | |
| 17 | 3 |  | Serendipias | SER Podcast | |
| 18 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 18 | 3 |  | Sapiens | Radio Nacional | |
| 19 | 2 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 19 | — | C | Catástrofe ultravioleta | elDiario.es | |
| 20 | 1 |  | Science Weekly | The Guardian | |
| 20 | 6 |  | Heavy Mental | David, Javier y Miki | |
| 22 | — | P | Podcast Ladera Sur - Inspirados por la Naturaleza | Ladera Sur | |
| 23 | 9 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 23 | 9 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 23 | — | A | A Ciencia Cierta | meteolp | |
| 24 | 6 |  | BBC Inside Science | BBC Radio 4 | |
| 24 | — |  | PÍLDORAS de BIOTECH | Ysios Capital & Pharma New Talent | |
| 27 | 3 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 28 | 78 |  | The Life Scientific | BBC Radio 4 | |
| 30 | 13 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 30 | 3 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 30 | — |  | Planet Visionaries – SEASON 5 | A podcast in partnership with The Rolex Perpetual Planet Initiative | |
| 31 | 7 |  | Discovery | BBC World Service | |
| 31 | 6 | E | El último humanista | Fernando Espí Forcén | |
| 32 | 7 | B | Boring History for Sleep | Velvet | |
| 32 | 9 |  | Ologies with Alie Ward | Alie Ward | |
| 33 | 27 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 33 | 13 | A | Aparici en Órbita | Alberto Aparici | |
| 34 | — | T | Tras la tormenta | Radio Nacional | |
| 34 | 16 |  | Curious Cases | BBC Radio 4 | |
| 35 | 7 |  | Speaking of Psychology | American Psychological Association | |
| 36 | 5 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 36 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 37 | — | Z | Zoo de fósiles - Cienciaes.com | cienciaes.com | |
| 38 | 60 |  | Fallo de sistema | Radio 3 | |
| 39 | 4 |  | Почему мы еще живы | libo/libo | |
| 40 | 55 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 41 | 1 |  | Claro que se puede | SER Podcast | |
| 42 | 66 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 42 | 11 |  | Unexplainable | Vox | |
| 42 | 17 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 43 | 9 | L | La taberna del Beagle | Carmela García Doval y Pedro M. Sánchez | |
| 43 | 116 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 44 | 9 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 44 | — |  | Aparici en Órbita | OndaCero | |
| 45 | 8 | C | Ciencia Fresca - Cienciaes.com | Jorge Laborda y Ángel Rodríguez Lozano | |
| 46 | 8 |  | You Are Not So Smart | You Are Not So Smart | |
| 46 | — | D | De cause à effets, le magazine de l'environnement | France Culture | |
| 46 | 6 | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 47 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 47 | — |  | This Week in Cardiology | Medscape | |
| 47 | — | T | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 48 | 147 |  | Overheard at National Geographic | National Geographic | |
| 48 | — |  | The 365 Days of Astronomy | 365DaysOfAstronomy.org | |
| 49 | 101 |  | More or Less | BBC Radio 4 | |
| 49 | — | L | La Filoxera. | La Filoxera | |
| 50 | — | P | Podcasts de Física | fisicapodcasts | |
| 51 | — |  | Bedrock: Earth's Earliest History | Dylan Wilmeth | |
| 51 | — |  | TED Talks Science and Medicine | TED | |
| 51 | 1 | R | Radio de Supervivencia | David Martinez | |
| 52 | 1 |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
| 52 | 3 | I | Iniciativas para cambiar el mundo | National Geographic España | |
| 53 | 15 | M | Mirlo Blanco | Clara Mendoza & Podcastidae | |
| 53 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 54 | 10 | B | Biología de Tranquis | Nico Palanca | |
| 55 | 2 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 55 | — |  | TEDTalks Ciencia y Medicina | TED | |
| 56 | 1 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 57 | — | U | Universo paralelo | Universo Paralelo | |
| 57 | — | K | KI verstehen | Deutschlandfunk | |
| 57 | 22 | Á | Átomos y Bits | Agencia EFE | |
| 58 | — | E | Entre probetas | Radio 5 | |
| 58 | 12 |  | Main Engine Cut Off | Anthony Colangelo | |
| 59 | 10 | A | Astronomía y algo más | Ricardo Garcia | |
| 59 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 60 | — |  | Der KI-Podcast | ARD | |
| 60 | 61 |  | RATICOS DE CIENCIA. Conversaciones con científic@s | Julián Cerón-Madrigal | |
| 61 | 21 | D | Desde el Observatorio | Astronomia UdeA | |
| 61 | — |  | SunCast | Nico Johnson | |
| 62 | — | N | National Geographic en Español | Aftersight | |
| 62 | — | A | A su salud | Radio 5 | |
| 63 | — | 3 | 3 Chanchitos | Almar | |
| 64 | — | B | BRAINCAST | CERVEAU & PSYCHO | |
| 64 | — |  | Astronomía para Principiantes en SBS Australia | angelrls | |
