| 1 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 2 | 1 |  | Espacio en blanco | Radio Nacional | |
| 3 | 1 |  | Materia Oscura | ABC | |
| 4 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 5 | 2 | S | Stuff To Blow Your Mind (Spanish) | iHeartPodcasts | |
| 6 | 1 | L | La Ciencia de A Vivir | Cadena SER | |
| 7 | 1 |  | A hombros de gigantes | Radio 5 | |
| 8 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 9 | 2 |  | Órbita Laika. El podcast | RNE Audio | |
| 10 | 1 |  | Serendipias | SER Podcast | |
| 11 | 29 | T | Tras la tormenta | Radio Nacional | |
| 12 | 2 | Á | Ático Primera con Laia Castel | laiascastel | |
| 13 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 14 | 6 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 15 | 3 |  | Arpa Talks | Arpa Talks | |
| 16 | 11 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 17 | 1 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 18 | 4 |  | Sapiens | Radio Nacional | |
| 19 | 12 | C | Catástrofe ultravioleta | elDiario.es | |
| 20 | 12 | H | Hope. El podcast | RNE Audio | |
| 21 | 30 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 22 | 8 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 23 | 100 |  | Heavy Mental | David, Javier y Miki | |
| 24 | 8 |  | Science Vs | Spotify Studios | |
| 25 | 25 | P | Principio de Incertidumbre | Canal Extremadura | |
| 26 | 13 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 27 | 3 | A | A Ciencia Cierta | meteolp | |
| 28 | 88 |  | Divulgación de la geología | Universidad Nacional de Río Negro, Argentina | |
| 29 | 14 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 30 | 14 |  | Curious Cases | BBC Radio 4 | |
| 31 | 14 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 32 | 15 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 33 | 13 |  | Robinson's Podcast | Robinson Erhardt | |
| 34 | 19 |  | Radiolab | WNYC Studios | |
| 35 | 21 | B | Biología de Tranquis | Nico Palanca | |
| 36 | 21 | L | La Ciencia Pop | Gabriel León | |
| 37 | 38 |  | Wissen Weekly | Spotify Studios | |
| 38 | 17 |  | Ologies with Alie Ward | Alie Ward | |
| 39 | 16 | U | Universo Oculto. | Universo Oculto | |
| 40 | 16 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 41 | 15 | A | Astronomía y algo más | Ricardo Garcia | |
| 42 | 17 | Á | Átomos y Bits | Agencia EFE | |
| 43 | 15 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 44 | 30 | E | El bosque habitado | Radio 3 | |
| 45 | 16 | A | AlgoHumanos | Qwerty Podcast | |
| 46 | 119 |  | The Life Scientific | BBC Radio 4 | |
| 47 | 144 | B | Bacteriófagos | Carmela García Doval | |
| 48 | 144 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 49 | — | T | The Stem Cell Podcast | The Stem Cell Podcast | |
| 50 | 31 |  | Invisibilia | NPR | |
| 51 | 12 | C | Cienciaes.com | cienciaes.com | |
| 52 | — | C | Controlando la Piscina | Orenda | |
| 53 | — | G | GeoCastAway | GeoNáufragos | GeoCastAway | |
| 54 | — | O | omega tau - English only | Markus Voelter, Nora Ludewig | |
| 55 | — | L | L’actualitat de la UB, en pòdcast | Universitat de Barcelona | |
| 56 | — | T | The Animal Heartbeat | Kieran Borgeat and Jose Novo Matos | |
| 57 | — |  | Great Mysteries of Physics | The Conversation | |
| 58 | — | T | The Bioinformatics CRO Podcast | The Bioinformatics CRO | |
| 59 | — |  | The Life Of The Mind by Steven Pinker | This Is 42 | |
| 60 | — | C | Clinical neurology with KD | Krishnadas N C | |
| 61 | 28 |  | La Conversation scientifique | France Culture | |
| 62 | 29 | U | UNIVERSO BONSAILOVER PODCAST | Manuel Porras Sanchez | |
| 63 | 29 |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 64 | 38 |  | The Psychology Podcast | iHeartPodcasts | |
| 65 | 32 | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 66 | 30 | B | Boring History for Sleep | Velvet | |
| 67 | 29 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 68 | 31 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 69 | 27 | A | Aparici en Órbita | Alberto Aparici | |
| 70 | 29 |  | You Are Not So Smart | You Are Not So Smart | |
| 71 | 66 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 72 | 29 | P | Podcasts de Física | fisicapodcasts | |
| 73 | 104 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 74 | 26 | P | Podcast Radio Skylab | radioskylab_es | |
| 75 | 26 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 76 | 31 | B | Biocoses | Biocoses | |
| 77 | 25 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 78 | 122 |  | Noosfera | La Razón | |
| 79 | 25 | E | Espacio en blanco | Radio Nacional | |
| 80 | — | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 81 | 116 |  | Unexplainable | Vox | |
| 82 | 27 | C | Ciencia para leer | CSIC Divulga | |
| 83 | 48 | E | El sueño de Laika | JuanMa Parrondo | |
| 84 | — |  | Science In Action | BBC World Service | |
| 85 | — | Á | Ágora | Aragón Radio | |
| 86 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 87 | — |  | Unexpected Elements | BBC World Service | |
| 88 | — | F | Farming Today | BBC Radio 4 | |
| 89 | — |  | Science Magazine Podcast | Science Magazine | |
| 90 | 30 | Н | Не Психуй! | Лазовская Марина Витальевна | |
| 91 | — | R | Reserva natural | Radio 5 | |
| 92 | 34 |  | Голый землекоп | libo/libo | |
| 93 | 28 | C | Cruce de cables | Radio Nacional | |
| 94 | — | Б | Буде тобі наука | Kunsht/Куншт | |
| 95 | — |  | Psychedelics Then and Now with Zach Leary | Zach Leary/Psychedelics Today | |
| 96 | 37 | C | Center for Advanced Studies (CAS) Research Focus Global Capitalism (LMU) - SD | Center for Advanced Studies (CAS) | |
| 97 | — |  | Instant Genius | Our Media | |
| 98 | 35 | M | Misterioso universo en la red | Misterioso universo en la red | |
| 99 | 33 | E | El Explicador con Enrique Gánem | El Explicador de Enrique Gánem | |
| 100 | 39 | P | Podcast Desde el Sur: explorando el Cosmos | Ricardo Sánchez | |
