| 1 | — | C | Catástrofe ultravioleta | elDiario.es | |
| 2 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 3 | 1 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 4 | 2 |  | Espacio en blanco | Radio Nacional | |
| 5 | 2 |  | Materia Oscura | ABC | |
| 6 | 1 |  | Órbita Laika. El podcast | RNE Audio | |
| 7 | 1 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 8 | 5 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 9 | — | E | Ecoalf | Bluetiful Stories | ECOALF | |
| 10 | 2 |  | A hombros de gigantes | Radio 5 | |
| 11 | 1 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 12 | 34 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | 2 |  | Serendipias | SER Podcast | |
| 14 | 3 |  | TEDTalks Ciencia y Medicina | TED | |
| 15 | 4 |  | Making Sense with Sam Harris | Sam Harris | |
| 16 | 2 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 17 | 7 | L | La Ciencia de A Vivir | Cadena SER | |
| 18 | 2 |  | Arpa Talks | Arpa Talks | |
| 19 | 1 |  | Sapiens | Radio Nacional | |
| 20 | 2 | Á | Ático Primera con Laia Castel | laiascastel | |
| 21 | 29 |  | More or Less | BBC Radio 4 | |
| 22 | 1 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 23 | — | E | Ecocracia | Loupod | |
| 24 | 2 | H | Hope. El podcast | RNE Audio | |
| 25 | 29 |  | Overheard at National Geographic | National Geographic | |
| 26 | 9 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 27 | 42 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 28 | 36 | A | AlgoHumanos | Qwerty Podcast | |
| 29 | 38 | H | Hablando de psicología | Facultad de Psicología-UNED | |
| 30 | 67 | R | Radio de Supervivencia | David Martinez | |
| 31 | 69 |  | Science Vs | Spotify Studios | |
| 32 | 77 | C | Cienciaes.com | cienciaes.com | |
| 33 | 163 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 34 | 79 | C | Ciencia para leer | CSIC Divulga | |
| 35 | 7 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 36 | 98 |  | Почему мы еще живы | libo/libo | |
| 37 | 17 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 38 | 17 | N | Notas de Naturaleza | Iván Vega | |
| 39 | 14 | T | Tras la tormenta | Radio Nacional | |
| 40 | 16 | E | El bosque habitado | Radio 3 | |
| 41 | — | E | El Podcast del Hidrógeno | El Podcast del Hidrógeno | |
| 42 | 16 | C | Clau, quiero ser ingeniera | PODTWIST | |
| 43 | 56 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 44 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 45 | 10 |  | Heavy Mental | David, Javier y Miki | |
| 46 | — | U | Un Punto Azul | UnPuntoAzul | |
| 47 | — |  | The 365 Days of Astronomy | 365DaysOfAstronomy.org | |
| 48 | — |  | Lost Women of Science | Lost Women of Science | |
| 49 | — | S | Something Wild | Dave Anderson, Chris Martin | |
| 50 | 14 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 51 | 22 | A | Astronomía y algo más | Ricardo Garcia | |
| 52 | 24 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 53 | 26 | Á | Átomos y Bits | Agencia EFE | |
| 54 | 51 | A | A Ciencia Cierta | meteolp | |
| 55 | 84 |  | Curious Cases | BBC Radio 4 | |
| 56 | 80 |  | Jefillysh: Ciencia Simplificada | Carolina Jefillysh | |
| 57 | 91 | L | La Senda de las Plantas Perdidas | Aina S. Erice | |
| 58 | 113 |  | Speaking of Psychology | American Psychological Association | |
| 59 | 121 |  | Short Wave | NPR | |
| 60 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 61 | 31 | C | Choses à Savoir SCIENCES | Choses à Savoir | |
| 62 | 31 | C | Catástrofe Ultravioleta | Marcos Paulo Teodoro de Oliveira | |
| 63 | 31 |  | Discovery | BBC World Service | |
| 64 | 31 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 65 | 31 |  | The world, the universe and us | New Scientist | |
| 66 | — | C | Cruce de cables | Radio Nacional | |
| 67 | 30 | E | El Camarote de Darwin | El Camarote de Darwin | |
| 68 | 30 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 69 | — |  | This Week in Neuroscience | Vincent Racaniello | |
| 70 | 31 | E | El sueño de Laika | JuanMa Parrondo | |
| 71 | — |  | Mentes Covalentes | Clara García y Hugo Quintela | |
| 72 | — | Б | Буде тобі наука | Kunsht/Куншт | |
| 73 | — |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 74 | 33 | S | Solaris | Podium Podcast | |
| 75 | 35 | R | Rompiendo Esquemas | Rompiendo Esquemas | |
| 76 | — | D | Doble Hélice 3.0 | ULL | |
| 77 | — | G | Grow Everything Biotech Podcast | Messaginglab | |
| 78 | 35 | R | Radio Iberozoa | Iberozoa Fauna Ibérica | |
| 79 | — |  | Flash Forward | Rose Eveleth | |
| 80 | 36 | A | A Coffee with CompBio | Lorena Pantano | |
| 81 | — | T | The Gaslit Truth | Dr. Teralyn & Therapist Jenn | |
| 82 | 37 | S | Science Facts & Fallacies | Cameron English | |
| 83 | 36 |  | Голый землекоп | libo/libo | |
| 84 | 36 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 85 | 36 |  | Productividad y Desarrollo Personal by ProducTIPS | Ismael Martín & Efraín Altaber | |
| 86 | 35 |  | Science Weekly | The Guardian | |
| 87 | 34 |  | Radiolab | WNYC Studios | |
| 88 | 36 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 89 | 34 | U | Universo Oculto. | Universo Oculto | |
| 90 | 34 |  | Aporia Podcast | Aporia Magazine | |
| 91 | 34 | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 92 | 102 |  | The History of Chemistry | Steve Cohen | |
| 93 | 32 | L | La Ciencia Pop | Gabriel León | |
| 94 | 28 | O | Oscilador Armónico | OsciladorArmónico | |
| 95 | 36 | D | DE ESO NO SE HABLA - Alejandro Trapé | Alejandro Trapé | |
| 96 | 36 | L | La Terra és plana | Catalunya Ràdio | |
| 97 | 35 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 98 | 35 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 99 | 34 |  | La Conversation scientifique | France Culture | |
| 100 | 30 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
