| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 3 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 3 | 1 |  | Materia Oscura | ABC | |
| 4 | 1 |  | Heavy Mental | David, Javier y Miki | |
| 6 | 3 |  | Horizonte – Iker Jiménez | Mediaset | |
| 6 | 2 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 6 | 1 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 7 | 3 |  | A hombros de gigantes | Radio 5 | |
| 7 | 8 |  | Órbita Laika. El podcast | RNE Audio | |
| 7 | 3 | L | La Ciencia de A Vivir | Cadena SER | |
| 8 | — | Á | Ático Primera con Laia Castel | laiascastel | |
| 12 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 1 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 12 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 13 | — | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 14 | 2 |  | Radiolab | WNYC Studios | |
| 15 | 1 |  | Sapiens | Radio Nacional | |
| 15 | 6 | T | Tras la tormenta | Radio Nacional | |
| 17 | 4 | C | Catástrofe ultravioleta | elDiario.es | |
| 19 | 5 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 19 | 6 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 20 | 2 |  | Serendipias | SER Podcast | |
| 20 | 4 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 21 | — |  | A Question of Science | The Francis Crick Institute | |
| 21 | 3 |  | Arpa Talks | Arpa Talks | |
| 21 | 5 |  | More or Less | BBC Radio 4 | |
| 22 | — | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 22 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 23 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 24 | 4 | O | Oscilador Armónico | OsciladorArmónico | |
| 26 | 82 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 27 | 4 | C | Ciencia para leer | CSIC Divulga | |
| 28 | — | T | The Biotech Startups Podcast | Excedr | |
| 28 | 1 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 30 | 26 |  | Short Wave | NPR | |
| 31 | — |  | The Social-Engineer Podcast | Social-Engineer, LLC | |
| 32 | 52 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 32 | 11 |  | BBC Inside Science | BBC Radio 4 | |
| 33 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 33 | 11 | E | El bosque habitado | Radio 3 | |
| 34 | 14 | E | El último humanista | Fernando Espí Forcén | |
| 34 | 12 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 34 | 142 |  | Science In Action | BBC World Service | |
| 35 | 6 | P | Podcasts de Física | fisicapodcasts | |
| 36 | 16 | L | La Terra és plana | Catalunya Ràdio | |
| 37 | 3 | E | El Podcast de Phil Hugo | Phil Hugo | |
| 38 | 11 | Á | Átomos y Bits | Agencia EFE | |
| 38 | 7 | D | De Ignorancia Sí que Sé | Alberto Aparici | |
| 38 | 41 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 40 | 4 | A | Aparici en Órbita | Alberto Aparici | |
| 40 | 1 | N | Notas de Naturaleza | Iván Vega | |
| 41 | 72 | M | Master Class con Xurxo Mariño: neurociencia | OndaCero | |
| 43 | 46 | E | El Guardabosques WildPodcast | Laura Núñez Bañuls y Fracesco Rovedo | |
| 43 | 36 | D | Desmontando La firma de Dios | Podium Podcast | |
| 43 | 6 | E | Entre probetas | Radio 5 | |
| 44 | 13 | H | Hablando de psicología | Facultad de Psicología-UNED | |
| 44 | 6 | A | A Ciencia Cierta | meteolp | |
| 44 | — | A | Astro Podcast | Astro Podcast | |
| 45 | — |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 45 | 11 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 46 | — | T | Tierra a la vista | SER Podcast | |
| 46 | 19 | E | El universo y sus misterios | Física 64 | |
| 47 | 16 | A | Aboga&Cia - Tertulia Jurídica - Podcast de Derecho | Ángel Seisdedos | |
| 47 | — | S | Solaris | Podium Podcast | |
| 48 | 13 | L | La taberna del Beagle | Carmela García Doval y Pedro M. Sánchez | |
| 48 | 18 |  | La vaca esférica | LaVacaEsférica | |
| 49 | 7 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 49 | 34 | T | Trás los pasos de Santa Hildegarda de Bingen | JuanDiegoNetwork.com | |
| 50 | 14 |  | Science Vs | Spotify Studios | |
| 50 | — | B | BioTech Weekly | Ernst Oberortner | |
| 51 | 2 | P | Podcast Ladera Sur - Inspirados por la Naturaleza | Ladera Sur | |
| 51 | — | S | Special Lecture Series (ASC) | The Arnold Sommerfeld Center for Theoretical Physics (ASC) | |
| 52 | 21 |  | All In The Mind | ABC | |
| 52 | — | M | Molecular and Cellular Biology | ICGEB | |
| 53 | — | L | La Radio del Somormujo | La Radio del Somormujo | |
| 53 | 39 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 54 | 9 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 54 | 22 | R | Radio de Supervivencia | David Martinez | |
| 54 | — | V | VoxTalks Economics | VoxTalks | |
| 54 | — | S | Seducción Y Persuasión De Style Seduction Life | Alister A. García | |
| 55 | 16 | O | Obsesión por el Cielo | Pedro Valdés Sada | |
| 55 | 3 | L | La Terre au carré | France Inter | |
| 56 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 56 | 49 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 57 | 41 |  | Lost Women of Science | Lost Women of Science | |
| 57 | 16 | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 57 | — | V | VoxDev Development Economics | VoxDev.org | |
| 57 | 15 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 59 | 5 |  | Ciencia y aparte (by Xataka) | Webedia | |
| 59 | 16 |  | Nature Podcast | Springer Nature Limited | |
| 60 | — | C | Clau, quiero ser ingeniera | PODTWIST | |
| 61 | 72 |  | Fallo de sistema | Radio 3 | |
| 61 | 29 |  | Manifold | Steve Hsu | |
| 61 | 68 |  | Speaking of Psychology | American Psychological Association | |
| 62 | 17 |  | The Hydrogen Podcast | Paul Rodden | |
| 63 | 116 | E | El sueño de Laika | JuanMa Parrondo | |
| 63 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 64 | 26 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 65 | — |  | DNA Today: A Genetics Podcast | Kira Dineen | |
