| 1 | 1 |  | Espacio en blanco | Radio Nacional | |
| 2 | 1 |  | Órbita Laika. El podcast | RNE Audio | |
| 3 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 4 | — | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 5 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 6 | 1 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 7 | 1 |  | Materia Oscura | ABC | |
| 8 | — |  | A hombros de gigantes | Radio 5 | |
| 9 | 6 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 10 | 1 |  | Heavy Mental | David, Javier y Miki | |
| 11 | 1 |  | Serendipias | SER Podcast | |
| 12 | 2 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 13 | 5 | L | La Ciencia de A Vivir | Cadena SER | |
| 14 | — | Á | Ático Primera con Laia Castel | laiascastel | |
| 15 | 9 |  | Science Vs | Spotify Studios | |
| 16 | 5 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 17 | 4 |  | Radiolab | WNYC Studios | |
| 18 | 34 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 19 | 85 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 20 | 147 | E | El último humanista | Fernando Espí Forcén | |
| 21 | 5 |  | Discovery | BBC World Service | |
| 22 | 6 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 23 | 89 |  | Nature Podcast | Springer Nature Limited | |
| 24 | 7 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 25 | 5 | A | Aparici en Órbita | Alberto Aparici | |
| 26 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 27 | 7 |  | Mentes Covalentes | Clara García y Hugo Quintela | |
| 28 | 9 | H | Hablando de psicología | Facultad de Psicología-UNED | |
| 29 | — |  | Speed & Scale | TED | |
| 30 | 7 | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 31 | 9 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 32 | 5 | O | Oscilador Armónico | OsciladorArmónico | |
| 33 | 8 |  | Sapiens | Radio Nacional | |
| 34 | 6 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 35 | 66 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 36 | 23 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 37 | 30 |  | Science Magazine Podcast | Science Magazine | |
| 38 | 76 | Á | Átomos y Bits | Agencia EFE | |
| 39 | 67 | L | La Terra és plana | Catalunya Ràdio | |
| 40 | 68 | P | Píldoras de Física | Max Alvarez | |
| 41 | 76 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 42 | 13 | A | Astronomía y algo más | Ricardo Garcia | |
| 43 | 84 | C | CardioPODCAST | Sociedad Española de Cardiología | |
| 44 | 89 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 45 | 91 |  | پادکست آذرخش مکری - azarakhsh mokri | nimac | |
| 46 | 112 | U | Universo Oculto. | Universo Oculto | |
| 47 | 114 | A | Aboga&Cia - Tertulia Jurídica - Podcast de Derecho | Ángel Seisdedos | |
| 48 | 18 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 49 | 113 | M | Matemáticas en el mundo | MathNetic | |
| 50 | 19 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 51 | — | D | Desde el Observatorio | Astronomia UdeA | |
| 52 | 20 |  | Science Weekly | The Guardian | |
| 53 | 20 |  | BBC Inside Science | BBC Radio 4 | |
| 54 | 19 |  | Arpa Talks | Arpa Talks | |
| 55 | — | V | Vanguardia de la Ciencia - Cienciaes.com | cienciaes.com | |
| 56 | 19 | C | Cruce de cables | Radio Nacional | |
| 57 | — |  | More or Less | BBC Radio 4 | |
| 58 | — | U | Un Veterinario - Divulgación Veterinaria | Víctor Algra | |
| 59 | — | J | Jodisea Mundo Odiseas Documentales Podcast para dormir en Español Audio Libros Historia Niños+Adulto | Orbinea Studio | |
| 60 | 24 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 61 | 23 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 62 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 63 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 64 | 25 |  | You Are Not So Smart | You Are Not So Smart | |
| 65 | 25 | L | La Filoxera. | La Filoxera | |
| 66 | — |  | Science In Action | BBC World Service | |
| 67 | 23 |  | Fallo de sistema | Radio 3 | |
| 68 | — | Á | Ágora | Aragón Radio | |
| 69 | — |  | Curious Cases | BBC Radio 4 | |
| 70 | 29 | P | Podcasts de Física | fisicapodcasts | |
| 71 | — |  | Because Language - a podcast about linguistics, the science of language. | Daniel Midgley, Ben Ainslie, and Hedvig Skirgård | |
| 72 | — | H | Hemispherics | Hemispherics | |
| 73 | 31 | ا | ایستگاه هوش مصنوعی | Amir Pourmand | |
| 74 | — | E | ECUSA Podcasts | Comunidad ECUSA | |
| 75 | 30 |  | Mystères et étoiles | Zebroloss | |
| 76 | — | D | Desmontando La firma de Dios | Podium Podcast | |
| 77 | — | P | PIIE Insider LIVE | Peterson Institute for International Economics | |
| 78 | — | F | Flot.bio x Philip Hemme | Flot.bio | |
| 79 | — | W | Wild Tales | Nature Podcast | National Trust | |
| 80 | 37 | R | Reacción en Cadena | Doctor Fisión | |
| 81 | — | D | Drop the STEM podcast | Drop the STEM podcast | |
| 82 | — |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 83 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 84 | — |  | La aldea del Ninja Verde | Podcastidae.com | |
| 85 | — | R | República de Los Cocos | H. Cuerpo diplomático de la Rep. de Los Cocos | |
| 86 | — |  | Littérature Sans Frontières • Fréquence Terre | Littérature Sans Frontières • Fréquence Terre | |
| 87 | — | C | Climate Connections | Yale Center for Environmental Communication | |
| 88 | — | E | El Aleph | El Aleph | |
| 89 | — |  | Science of Perception Box | Unlikely Collaborators | Pod People | |
| 90 | — | B | Blue Talks | IE University | |
| 91 | 45 | A | AlgoHumanos | Qwerty Podcast | |
| 92 | 45 | N | Notas de Naturaleza | Iván Vega | |
| 93 | 44 |  | Ciência Suja | Ciência Suja | |
| 94 | 46 | L | La Suite dans les idées | France Culture | |
| 95 | 44 | A | Astro Podcast | Astro Podcast | |
| 96 | 46 |  | Alimento y salud | Radio 5 | |
| 97 | 43 | C | Cienciaes.com | cienciaes.com | |
| 98 | 43 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 99 | 46 | L | La Ciencia Pop | Gabriel León | |
| 100 | 44 |  | Голый землекоп | libo/libo | |
