| 1 | 1 |  | Espacio en blanco | Radio Nacional | |
| 2 | 1 |  | Órbita Laika. El podcast | RNE Audio | |
| 3 | 1 |  | Materia Oscura | ABC | |
| 4 | 2 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 5 | 2 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 6 | 1 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 7 | — |  | A hombros de gigantes | Radio 5 | |
| 8 | 2 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 9 | 1 | Á | Ático Primera con Laia Castel | laiascastel | |
| 10 | 1 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 11 | — |  | Arpa Talks | Arpa Talks | |
| 12 | 2 | L | La Ciencia de A Vivir | Cadena SER | |
| 13 | 1 | O | Oscilador Armónico | OsciladorArmónico | |
| 14 | 1 | A | Astronomía y algo más | Ricardo Garcia | |
| 15 | 4 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 16 | — | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 17 | 9 | E | El bosque habitado | Radio 3 | |
| 18 | 94 |  | Unexplainable | Vox | |
| 19 | 16 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 20 | 91 | C | Cienciaes.com | cienciaes.com | |
| 21 | — | D | Desde el Observatorio | Astronomia UdeA | |
| 22 | 23 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 23 | 2 | D | Domingo de Ciencia | doctorfision | |
| 24 | 123 | E | El Orbitador | El Orbitador Podcast | |
| 25 | 18 | E | El sueño de Laika | JuanMa Parrondo | |
| 26 | 3 | A | A Ciencia Cierta | meteolp | |
| 27 | 12 | T | Tras la tormenta | Radio Nacional | |
| 28 | 11 | C | Cruce de cables | Radio Nacional | |
| 29 | 2 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 30 | 167 |  | More or Less | BBC Radio 4 | |
| 31 | 13 | E | Espacio en blanco | Radio Nacional | |
| 32 | 6 | L | La Terra és plana | Catalunya Ràdio | |
| 33 | 4 | E | El último humanista | Fernando Espí Forcén | |
| 34 | 6 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 35 | 14 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 36 | 6 | A | Astronomía Autodidacta | Carlos Andres Carvajal Tascon | |
| 37 | 15 |  | Fallo de sistema | Radio 3 | |
| 38 | 18 |  | Sapiens | Radio Nacional | |
| 39 | 7 | A | Aboga&Cia - Tertulia Jurídica - Podcast de Derecho | Ángel Seisdedos | |
| 40 | 21 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 41 | 25 |  | Science Weekly | The Guardian | |
| 42 | 21 | C | COSAS DE SAPIENS | COSAS DE SAPIENS | |
| 43 | 21 |  | Discovery | BBC World Service | |
| 44 | 30 |  | Ologies with Alie Ward | Alie Ward | |
| 45 | 34 | 2 | 2,1 hijos | Jorge Calero | |
| 46 | 22 |  | Radiolab | WNYC Studios | |
| 47 | 57 | A | Astro Podcast | Astro Podcast | |
| 48 | 21 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 49 | 94 | Á | Átomos y Bits | Agencia EFE | |
| 50 | 78 | T | The Animal Sensemaker | The Observer | |
| 51 | 23 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 52 | 23 | U | Universo Oculto. | Universo Oculto | |
| 53 | 118 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 54 | 24 |  | ScienceStuff | iHeartPodcasts | |
| 55 | 96 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 56 | 99 |  | Science Vs | Spotify Studios | |
| 57 | 23 | S | Súper Interesante | Súper Interesante Grandes Documentales | |
| 58 | 110 | L | La Ciencia Pop | Gabriel León | |
| 59 | 27 | S | Starts With A Bang podcast | Ethan Siegel | |
| 60 | 27 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 61 | 128 |  | TEDTalks Ciencia y Medicina | TED | |
| 62 | 128 |  | TED Talks Science and Medicine | TED | |
| 63 | — | P | Punto Bernal | Punto Bernal | |
| 64 | 28 | D | De Ignorancia Sí que Sé | Alberto Aparici | |
| 65 | — | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 66 | — | D | Diálogos con la ciencia | Javier Ángel Ramirez - Radio María ESP | |
| 67 | — |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 68 | 19 |  | Serendipias | SER Podcast | |
| 69 | — | P | PorciCast | Nettius | |
| 70 | — | P | Planeta MUY | Muy Interesante | |
| 71 | 32 |  | BBC Inside Science | BBC Radio 4 | |
| 72 | — | F | Felices Caballos | Felices caballos | |
| 73 | 32 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 74 | — | A | Astronomía a tu Alcance | Jose M. Candelaria | |
| 75 | — | S | Scientificast, la scienza come non l'hai mai sentita | Scientificast | |
| 76 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 77 | — |  | Policy for the Planet | Peterson Institute for International Economics | |
| 78 | — | S | Science Stories | BBC Radio 4 | |
| 79 | — |  | Physics World Weekly Podcast | Physics World | |
| 80 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 81 | — | C | Curiosidad radical | Podium Podcast | |
| 82 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 83 | — |  | TheThinkingAtheist | The Thinking Atheist | |
| 84 | — | C | Ciencia al punto | Universidad Pública de Navarra | |
| 85 | — |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 86 | — | H | Hablemos de las Estrellas | Esteban Yepes | |
| 87 | — |  | So Cultured Podcast | Liv Grant & Taz Shipley | |
| 88 | — |  | Battery Generation | Patrick von Rosen, Lennart Peters | |
| 89 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 90 | — |  | Geladen - der Batteriepodcast zur Energiewende | Daniel Messling, Patrick von Rosen | |
| 91 | — |  | The Michael Shermer Show | Michael Shermer | |
| 92 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 93 | — | C | Cardio Insights | Roche | |
| 94 | — | T | The Broken Science Podcast | The Broken Science Initiative | |
| 95 | — |  | Vivir sin plástico | Vivir sin plástico | |
| 96 | — |  | Medio Ambiente | FRANCE 24 Español | |
| 97 | — | R | Rätsel des Unbewußten. Psychoanalyse & Psychotherapie. | Dr. Cécile Loetz & Dr. Jakob Müller | |
| 98 | — | N | Neurogastroenterology and Motility - February 2015 | wileyblackwellhealth | |
| 99 | — |  | En La Mente De Un Ingeniero | Alvaro Buitrago Alvarez | |
| 100 | — | P | PIIE Insider LIVE | Peterson Institute for International Economics | |
