| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | 1 |  | Órbita Laika. El podcast | RNE Audio | |
| 3 | 1 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 4 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 5 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 6 | — |  | Materia Oscura | ABC | |
| 7 | 1 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 8 | 1 |  | A hombros de gigantes | Radio 5 | |
| 9 | — |  | Serendipias | SER Podcast | |
| 10 | 2 | L | La Ciencia de A Vivir | Cadena SER | |
| 11 | 1 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 12 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 13 | 4 | A | Aparici en Órbita | Alberto Aparici | |
| 14 | 4 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 15 | 7 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 16 | 2 | Á | Ático Primera con Laia Castel | laiascastel | |
| 17 | 3 |  | Heavy Mental | David, Javier y Miki | |
| 18 | 5 | O | Oscilador Armónico | OsciladorArmónico | |
| 19 | 7 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 20 | 8 | E | El último humanista | Fernando Espí Forcén | |
| 21 | 6 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 22 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 23 | 74 |  | Голый землекоп | libo/libo | |
| 24 | 1 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 25 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 26 | 20 | Á | Átomos y Bits | Agencia EFE | |
| 27 | 92 |  | Luces eXtrañas | Nestor GM | |
| 28 | 2 |  | Radiolab | WNYC Studios | |
| 29 | 5 |  | Science Weekly | The Guardian | |
| 30 | 72 |  | Speaking of Psychology | American Psychological Association | |
| 31 | 4 | C | Cruce de cables | Radio Nacional | |
| 32 | 79 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 33 | 1 |  | Sapiens | Radio Nacional | |
| 34 | 114 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 35 | 4 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 36 | 2 |  | More or Less | BBC Radio 4 | |
| 37 | 2 | U | Universo Oculto. | Universo Oculto | |
| 38 | — |  | Alimento y salud | Radio 5 | |
| 39 | 1 | 5 | 5.0 | Radio 5 | |
| 40 | 21 | A | A Ciencia Cierta | meteolp | |
| 41 | 14 | C | Cienciaes.com | cienciaes.com | |
| 42 | 112 | L | La Terra és plana | Catalunya Ràdio | |
| 43 | — |  | Conferencias | Borja Vilaseca | |
| 44 | 100 | E | Espacio en blanco | Radio Nacional | |
| 45 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 46 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 47 | 2 | E | Ecocracia | Loupod | |
| 48 | 21 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 49 | 28 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 50 | 1 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 51 | 1 | S | SERENDIPIA-Divulgación Científica | SERENDIPIA-Divulgación Científica | |
| 52 | 1 | L | La aventura de la vida | Félix Rodriguez de la Fuente | |
| 53 | 14 |  | BBC Inside Science | BBC Radio 4 | |
| 54 | 5 | C | Conexión a Tierra | Endesa | |
| 55 | 24 | C | Catástrofe ultravioleta | elDiario.es | |
| 56 | 7 |  | Nature Podcast | Springer Nature Limited | |
| 57 | 13 |  | Short Wave | NPR | |
| 58 | 19 | C | Choses à Savoir SCIENCES | Choses à Savoir | |
| 59 | 30 | D | Domingo de Ciencia | doctorfision | |
| 60 | 91 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 61 | 91 | A | Astro Podcast | Astro Podcast | |
| 62 | 85 |  | Overheard at National Geographic | National Geographic | |
| 63 | 26 | L | La Ciencia Pop | Gabriel León | |
| 64 | 32 |  | Noosfera | La Razón | |
| 65 | 93 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 66 | 6 |  | Fallo de sistema | Radio 3 | |
| 67 | — | Z | Zoo de fósiles - Cienciaes.com | cienciaes.com | |
| 68 | 35 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 69 | 33 |  | Arpa Talks | Arpa Talks | |
| 70 | — | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 71 | 112 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 72 | 110 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 73 | — |  | Curious Cases | BBC Radio 4 | |
| 74 | 39 | H | Hablando de psicología | Facultad de Psicología-UNED | |
| 75 | 115 | P | Planeta MUY | Muy Interesante | |
| 76 | 123 | N | National Geographic en Español | Aftersight | |
| 77 | — | A | AlgoHumanos | Qwerty Podcast | |
| 78 | 120 | M | Mi Jardín en el Desierto | Mi Jardín en el Desierto | |
| 79 | — | L | L’échappée Sciences | The Conversation France | |
| 80 | 39 | P | Punto Bernal | Punto Bernal | |
| 81 | — | L | La taberna del Beagle | Carmela García Doval y Pedro M. Sánchez | |
| 82 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 83 | 33 | E | El Orbitador | El Orbitador Podcast | |
| 84 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 85 | — |  | The Mushroom Hour Podcast | Mushroom Hour | |
| 86 | — |  | Astronomía para Principiantes en SBS Australia | angelrls | |
| 87 | 45 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 88 | — | S | SRF Wissen | Schweizer Radio und Fernsehen (SRF) | |
| 89 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 90 | — |  | Most Terrifying Places in America | Travel Channel | |
| 91 | — | F | Física y Palabrotas | FisicayPalabrotas | |
| 92 | — | P | Podcast Aeroespacial | Sergio Hidalgo Learreta | |
| 93 | — | E | ECDC: On Air | European Centre for Disease Prevention and Control | |
| 94 | — | Ö | Ö1 Kontext | ORF Ö1 | |
| 95 | — | H | Hipòcrates en pijama | CoMBarcelona | |
| 96 | — |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 97 | — | M | Ments meravelloses | Centre de Recerca Matemàtica | |
| 98 | — |  | BioCentury This Week | BioCentury | |
| 99 | — | E | eanCast: Weekly Neurology | ean.org | |
| 100 | — | C | Ciencia Sin Filtros | Ciencia Sin Filtros | |
