| 1 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 2 | — | C | Catástrofe ultravioleta | elDiario.es | |
| 3 | 1 |  | Espacio en blanco | Radio Nacional | |
| 4 | 1 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 5 | 2 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 6 | — |  | A hombros de gigantes | Radio 5 | |
| 7 | 5 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 8 | 1 |  | Materia Oscura | ABC | |
| 9 | 1 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 10 | 4 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 11 | 4 | L | La Ciencia de A Vivir | Cadena SER | |
| 12 | 6 |  | Órbita Laika. El podcast | RNE Audio | |
| 13 | 8 |  | Sapiens | Radio Nacional | |
| 14 | 11 |  | Heavy Mental | David, Javier y Miki | |
| 15 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 16 | 10 |  | Arpa Talks | Arpa Talks | |
| 17 | 6 |  | Serendipias | SER Podcast | |
| 18 | 5 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 19 | 9 |  | Radiolab | WNYC Studios | |
| 20 | 15 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 21 | 30 |  | BBC Inside Science | BBC Radio 4 | |
| 22 | 15 | B | Biología de Tranquis | Nico Palanca | |
| 23 | 8 |  | Making Sense with Sam Harris | Sam Harris | |
| 24 | 21 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 25 | 9 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 26 | 4 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 27 | 8 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 28 | 5 | H | Hope. El podcast | RNE Audio | |
| 29 | 9 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 30 | 40 |  | Unexplainable | Vox | |
| 31 | 167 | P | Principio de Incertidumbre | Canal Extremadura | |
| 32 | 65 | D | Domingo de Ciencia | doctorfision | |
| 33 | 8 | T | Tras la tormenta | Radio Nacional | |
| 34 | 5 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 35 | 11 | O | Oscilador Armónico | OsciladorArmónico | |
| 36 | 19 | E | El bosque habitado | Radio 3 | |
| 37 | 10 | Á | Ático Primera con Laia Castel | laiascastel | |
| 38 | 35 | A | ATEEP: Antes todo esto era plasma | AstroLab | |
| 39 | 48 |  | Big Brains | University of Chicago Podcast Network | |
| 40 | 56 | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 41 | 13 |  | TED Talks Science and Medicine | TED | |
| 42 | 12 |  | Babbage from The Economist | The Economist | |
| 43 | 11 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 44 | 69 |  | TEDTalks Ciencia y Medicina | TED | |
| 45 | 12 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 46 | 15 | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 47 | 15 | Z | Zoo de fósiles - Cienciaes.com | cienciaes.com | |
| 48 | 15 |  | The Climate Question | BBC World Service | |
| 49 | 120 |  | The Psychology Podcast | iHeartPodcasts | |
| 50 | 16 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 51 | 15 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 52 | 121 | A | A Ciencia Cierta | meteolp | |
| 53 | 10 | A | Aparici en Órbita | Alberto Aparici | |
| 54 | 15 | E | El sueño de Laika | JuanMa Parrondo | |
| 55 | 17 | Á | Átomos y Bits | Agencia EFE | |
| 56 | 8 | C | Cienciaes.com | cienciaes.com | |
| 57 | — |  | Alimento y salud | Radio 5 | |
| 58 | 51 | A | Astronomía y algo más | Ricardo Garcia | |
| 59 | 134 | L | La Climática | Climática / Rocío Gómez & Eloy de la Haza | |
| 60 | — |  | Alive Again | iHeartPodcasts | |
| 61 | 17 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 62 | 22 | R | Radio de Supervivencia | David Martinez | |
| 63 | — | R | Redes (Eduard Punset) | ivoox | |
| 64 | — | A | Astronomía Autodidacta | Carlos Andres Carvajal Tascon | |
| 65 | — | C | Clau, quiero ser ingeniera | PODTWIST | |
| 66 | 20 | E | El último humanista | Fernando Espí Forcén | |
| 67 | — | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 68 | — |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 69 | — |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 70 | — | P | Podcasts de Física | fisicapodcasts | |
| 71 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 72 | — | S | Simplifying Complexity | Sean Brady from Brady Heywood | |
| 73 | — | F | Física de la Historia. Ciencia e historia variada. | Física de la Historia. | |
| 74 | — |  | PÍLDORAS de BIOTECH | Ysios Capital & Pharma New Talent | |
| 75 | — | C | Cuentos Cuánticos | CCuanticos | |
| 76 | — |  | COMPLEXITY | Santa Fe Institute | |
| 77 | — |  | Crónicas del Antropoceno | Museo de Ciencias Ambientales de la Universidad de Guadalajara | |
| 78 | — | U | Una Aventura Por El Cosmos | Jefferson León | |
| 79 | — | L | La Mare de la Ciència | PRBB | |
| 80 | — | E | El Origen Del Comportamiento Humano | Darlyn Estella Torres Yela | |
| 81 | — | A | Astrofísica: Confirmación y Evolución De Las Galaxias | Emir Santiago Gómez Flores | |
| 82 | — | L | La taberna atómica | Podium Podcast | |
| 83 | — |  | Dharma Lab | Dharma Lab | |
| 84 | 43 | I | In dubio pro reo | Rocío Arregui Montoya | |
| 85 | 43 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 86 | 32 | C | Curso de Derecho Administrativo | Carlos A. Nielsen Enemark | |
| 87 | 40 |  | Science In Action | BBC World Service | |
| 88 | 39 |  | Conferencias | Borja Vilaseca | |
| 89 | 39 |  | The Quanta Podcast | Quanta Magazine | |
| 90 | 77 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 91 | 39 | P | Podcast Aeroespacial | Sergio Hidalgo Learreta | |
| 92 | 39 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 93 | 79 | D | De Ignorancia Sí que Sé | Alberto Aparici | |
| 94 | 38 |  | Discovery | BBC World Service | |
| 95 | 86 |  | More or Less | BBC Radio 4 | |
| 96 | 37 |  | Science Weekly | The Guardian | |
| 97 | 39 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 98 | 38 |  | Aparici en Órbita | OndaCero | |
| 99 | 37 | C | Cruce de cables | Radio Nacional | |
| 100 | 79 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
