| 1 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 2 | 1 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 3 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 4 | — |  | Espacio en blanco | Radio Nacional | |
| 5 | — |  | Materia Oscura | ABC | |
| 6 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 7 | 5 |  | A hombros de gigantes | Radio 5 | |
| 8 | 8 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 9 | 5 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 10 | 5 |  | Arpa Talks | Arpa Talks | |
| 11 | 6 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 12 | 3 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 13 | 6 | T | Tras la tormenta | Radio Nacional | |
| 14 | 7 | A | Aparici en Órbita | Alberto Aparici | |
| 15 | 4 |  | Serendipias | SER Podcast | |
| 16 | 3 | E | El último humanista | Fernando Espí Forcén | |
| 17 | 9 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 18 | 9 |  | Sapiens | Radio Nacional | |
| 19 | 9 | L | La Ciencia de A Vivir | Cadena SER | |
| 20 | 1 | H | Hablando de psicología | Facultad de Psicología-UNED | |
| 21 | 19 | Á | Ático Primera con Laia Castel | laiascastel | |
| 22 | 2 | C | Cienciaes.com | cienciaes.com | |
| 23 | 5 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 24 | 6 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 25 | 120 |  | Почему мы еще живы | libo/libo | |
| 26 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 27 | 7 | P | Principio de Incertidumbre | Canal Extremadura | |
| 28 | 8 | A | Astronomía y algo más | Ricardo Garcia | |
| 29 | 7 | Á | Átomos y Bits | Agencia EFE | |
| 30 | 16 |  | More or Less | BBC Radio 4 | |
| 31 | — | P | Podcast Aeroespacial | Sergio Hidalgo Learreta | |
| 32 | 9 |  | Heavy Mental | David, Javier y Miki | |
| 33 | 18 | O | Oscilador Armónico | OsciladorArmónico | |
| 34 | 15 | B | Bacteriófagos | Carmela García Doval | |
| 35 | 23 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 36 | 10 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 37 | 12 |  | Making Sense with Sam Harris | Sam Harris | |
| 38 | 55 |  | Science Weekly | The Guardian | |
| 39 | 10 | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 40 | 113 | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 41 | 69 | D | Domingo de Ciencia | doctorfision | |
| 42 | 74 |  | The world, the universe and us | New Scientist | |
| 43 | 12 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 44 | 103 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 45 | 13 | L | La Ciencia Pop | Gabriel León | |
| 46 | 108 | J | Jodisea Mundo Odiseas Documentales Podcast para dormir en Español Audio Libros Historia Niños+Adulto | Orbinea Studio | |
| 47 | 11 | L | La Terra és plana | Catalunya Ràdio | |
| 48 | 15 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 49 | 114 | I | Inteligencia conversacional. El arte de las conversaciones difíciles | Enrique Sacanell Berrueco | |
| 50 | 115 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 51 | 149 | E | Espacio en blanco | Radio Nacional | |
| 52 | 17 | A | A Ciencia Cierta | meteolp | |
| 53 | — |  | BBC Inside Science | BBC Radio 4 | |
| 54 | 15 |  | Curious Cases | BBC Radio 4 | |
| 55 | — |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 56 | — |  | Wissen Weekly | Spotify Studios | |
| 57 | 20 | A | Astro Podcast | Astro Podcast | |
| 58 | — |  | Science In Action | BBC World Service | |
| 59 | — | C | Catástrofe ultravioleta | elDiario.es | |
| 60 | 22 |  | Manifold | Steve Hsu | |
| 61 | 19 |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 62 | 21 |  | Science Vs | Spotify Studios | |
| 63 | — |  | ScienceStuff | iHeartPodcasts | |
| 64 | 21 | A | Aboga&Cia - Tertulia Jurídica - Podcast de Derecho | Ángel Seisdedos | |
| 65 | — |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 66 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 67 | — | T | Todos os podcast | Mar de ardora | AGalegaAudio | |
| 68 | — | N | New Books in Political Science | New Books Network | |
| 69 | — |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 70 | — | C | Ciencia para leer | CSIC Divulga | |
| 71 | — |  | Physics World Weekly Podcast | Physics World | |
| 72 | — |  | Mentes Covalentes | Clara García y Hugo Quintela | |
| 73 | — | A | a dose of dizzy | Daniel and Liz | |
| 74 | — |  | New Books in Critical Theory | Marshall Poe | |
| 75 | — | S | Science, Spoken | WIRED | |
| 76 | — | P | PIIE Insider LIVE | Peterson Institute for International Economics | |
| 77 | — | O | Océanos de Ciencia - Cienciaes.com | cienciaes.com | |
| 78 | — | C | Ciencia y cosmética, el Podcast | Raquel Marcos | |
| 79 | — | P | PODCAST DE JHON FERNANDEZ Y JUAN DIEGO DAVILA | John Alex Fernandez la Torre | |
| 80 | — |  | Believing the Bizarre: Paranormal Conspiracies & Myths | Tyler and Charlie | |
| 81 | — | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 82 | — | E | Everett's Many Worlds | Everett's Many Worlds | |
| 83 | 35 |  | CrowdScience | BBC World Service | |
| 84 | 40 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 85 | 40 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 86 | 39 | R | RAIZ DE 5 - El podcast más hipotenuso | santigarciacc | |
| 87 | 37 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 88 | 35 |  | Fallo de sistema | Radio 3 | |
| 89 | 37 | E | El universo y sus misterios | Física 64 | |
| 90 | 36 | N | Notas de Naturaleza | Iván Vega | |
| 91 | 36 | R | Radio Semilla | Radio Semilla | |
| 92 | 36 | G | Game Theory | Game Theory | |
| 93 | 36 | C | CardioPODCAST | Sociedad Española de Cardiología | |
| 94 | 34 | E | El sueño de Laika | JuanMa Parrondo | |
| 95 | 36 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 96 | — |  | Radiolab | WNYC Studios | |
| 97 | 4 | Z | Zoo de fósiles - Cienciaes.com | cienciaes.com | |
| 98 | 34 | C | Cruce de cables | Radio Nacional | |
| 99 | 38 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 100 | 38 | L | La taberna del Beagle | Carmela García Doval y Pedro M. Sánchez | |
