| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 3 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 4 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 5 | — |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 6 | — |  | Materia Oscura | ABC | |
| 7 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 8 | — |  | A hombros de gigantes | Radio 5 | |
| 9 | 1 |  | Sapiens | Radio Nacional | |
| 10 | 2 |  | Heavy Mental | David, Javier y Miki | |
| 11 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 1 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 13 | 4 |  | Serendipias | SER Podcast | |
| 14 | — | L | La Ciencia de A Vivir | Cadena SER | |
| 15 | 1 | E | El último humanista | Fernando Espí Forcén | |
| 16 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 17 | 7 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 18 | 1 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 19 | 2 | Á | Ático Primera con Laia Castel | laiascastel | |
| 20 | — | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 21 | 4 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 22 | 38 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 23 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 24 | 43 | C | Cienciaes.com | cienciaes.com | |
| 25 | 8 |  | BBC Inside Science | BBC Radio 4 | |
| 26 | 3 |  | Aparici en Órbita | OndaCero | |
| 27 | 7 |  | Fallo de sistema | Radio 3 | |
| 28 | 9 | Á | Átomos y Bits | Agencia EFE | |
| 29 | 7 |  | Unexplainable | Vox | |
| 30 | 8 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 31 | 8 | E | El Orbitador | El Orbitador Podcast | |
| 32 | 113 | R | Redes (Eduard Punset) | ivoox | |
| 33 | 16 |  | Arpa Talks | Arpa Talks | |
| 34 | 7 | O | Oscilador Armónico | OsciladorArmónico | |
| 35 | 16 |  | Discovery | BBC World Service | |
| 36 | — | C | Curiosity ⇔ Entangled | Accelerator Media | |
| 37 | 12 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 38 | 21 | L | La Terra és plana | Catalunya Ràdio | |
| 39 | 13 | A | A Ciencia Cierta | meteolp | |
| 40 | 78 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 41 | — | E | ESOcast HD | Unknown | |
| 42 | — | H | HD - NASA's Jet Propulsion Laboratory | High Definition Video | |
| 43 | 31 |  | Overheard at National Geographic | National Geographic | |
| 44 | 17 | E | El Guardabosques WildPodcast | Laura Núñez Bañuls y Fracesco Rovedo | |
| 45 | 87 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 46 | 18 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 47 | 52 | E | Experimentet: Det sista pillret | Tredje Statsmakten Media och Perfect Day | |
| 48 | 67 | L | La Senda de las Plantas Perdidas | Aina S. Erice | |
| 49 | 17 |  | Science Weekly | The Guardian | |
| 50 | 51 | A | Aparici en Órbita | Alberto Aparici | |
| 51 | 76 |  | Conferencias | Borja Vilaseca | |
| 52 | 78 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 53 | 83 | A | Aboga&Cia - Tertulia Jurídica - Podcast de Derecho | Ángel Seisdedos | |
| 54 | 111 | U | Universo Oculto. | Universo Oculto | |
| 55 | 85 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 56 | 17 | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 57 | 27 |  | Голый землекоп | libo/libo | |
| 58 | 81 | B | Bacteriófagos | Carmela García Doval | |
| 59 | 28 | C | Cruce de cables | Radio Nacional | |
| 60 | 24 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 61 | 26 | P | Podcast Aeroespacial | Sergio Hidalgo Learreta | |
| 62 | 116 | 3 | 3 Chanchitos | Almar | |
| 63 | 123 | L | La Ciencia Pop | Gabriel León | |
| 64 | 22 | A | Astronomía y algo más | Ricardo Garcia | |
| 65 | — |  | The Quanta Podcast | Quanta Magazine | |
| 66 | — | A | AlgoHumanos | Qwerty Podcast | |
| 67 | 27 |  | Ologies with Alie Ward | Alie Ward | |
| 68 | 25 | C | Ciencia Nuestra de cada Día - Cienciaes.com | Ángel Rodríguez Lozano | |
| 69 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 70 | 25 | A | Astro Podcast | Astro Podcast | |
| 71 | 21 |  | Radiolab | WNYC Studios | |
| 72 | 28 |  | Science Vs | Spotify Studios | |
| 73 | — | E | Entre pinos y sembrados Podcast | Podcastidae.com | |
| 74 | — | B | Biología selectividad 📖 | Ariadna Expósito | |
| 75 | 27 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 76 | 30 | E | Entre probetas | Radio 5 | |
| 77 | 30 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 78 | — | L | La taberna del Beagle | Carmela García Doval y Pedro M. Sánchez | |
| 79 | — | D | Darwin, te necesito | EL PAÍS | |
| 80 | 26 |  | Curious Cases | BBC Radio 4 | |
| 81 | — | G | Galaxies et cosmologie - Françoise Combes | Collège de France | |
| 82 | — |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 83 | — | T | Two Psychologists Four Beers | Yoel Inbar, Michael Inzlicht, and Alexa Tullett | |
| 84 | — | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 85 | — | C | Consciousness and the Bicameral Mind - The Julian Jaynes Society Podcast | Julian Jaynes Society | |
| 86 | — |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 87 | — | L | Luna de Lobos | Luis Alvarez | |
| 88 | — | T | The Parkinson’s Research Podcast: New Discoveries in Neuroscience | The Michael J. Fox Foundation for Parkinson’s Research | |
| 89 | — |  | Huele a Química: el Podcast | Pedro Juan | |
| 90 | — | C | Corrección Climática | Andrea Garcia | |
| 91 | — |  | DNA Today: A Genetics Podcast | Kira Dineen | |
| 92 | — |  | Incubation | Pushkin Industries | |
| 93 | — |  | This Week in Neuroscience | Vincent Racaniello | |
| 94 | — | C | CIENCIA AL ALBA | Lucía Almagro Ruz | |
| 95 | — | Y | Your Complex Brain | Krembil Brain Institute | |
| 96 | — | G | Genetic Sounds | The European Society of Human Genetics | |
| 97 | — | B | Behind the Genes | Genomics England | |
| 98 | — | S | Santi's Sanctuary | Santiago Rojas | |
| 99 | — | O | OmicsXchange | GA4GH | |
| 100 | — | T | The Vet Tech Cafe's Podcast | Vet Tech Cafe | |
