| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 3 | — |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 4 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 5 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 6 | — |  | Materia Oscura | ABC | |
| 7 | — |  | A hombros de gigantes | Radio 5 | |
| 8 | — |  | Serendipias | SER Podcast | |
| 9 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 10 | 2 | L | La Ciencia de A Vivir | Cadena SER | |
| 11 | — | Á | Ático Primera con Laia Castel | laiascastel | |
| 12 | 2 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 13 | 9 | O | Oscilador Armónico | OsciladorArmónico | |
| 14 | 2 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 15 | — | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 16 | 2 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 17 | 22 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 18 | 10 | A | Aparici en Órbita | Alberto Aparici | |
| 19 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 20 | 3 |  | Sapiens | Radio Nacional | |
| 21 | 4 | A | Astronomía y algo más | Ricardo Garcia | |
| 22 | 9 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 23 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 24 | 144 | R | RAIZ DE 5 - El podcast más hipotenuso | santigarciacc | |
| 25 | 33 | S | SERENDIPIA-Divulgación Científica | SERENDIPIA-Divulgación Científica | |
| 26 | 8 | E | El último humanista | Fernando Espí Forcén | |
| 27 | 29 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 28 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 29 | 12 |  | Arpa Talks | Arpa Talks | |
| 30 | 29 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 31 | 58 |  | Голый землекоп | libo/libo | |
| 32 | 76 |  | Short Wave | NPR | |
| 33 | 1 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 34 | 3 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 35 | 8 |  | Discovery | BBC World Service | |
| 36 | 19 | C | Cienciaes.com | cienciaes.com | |
| 37 | 8 |  | Ciencia al cubo | Radio 5 | |
| 38 | — |  | BBC Inside Science | BBC Radio 4 | |
| 39 | 18 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 40 | 12 |  | The Logic of Risk | Pasquale Cirillo | |
| 41 | 12 | S | Solaris | Podium Podcast | |
| 42 | — | L | La Placa de Petra | Petra La Placa | |
| 43 | 14 |  | Science Weekly | The Guardian | |
| 44 | 16 | E | El sueño de Laika | JuanMa Parrondo | |
| 45 | — | K | KardioBeat – Der Kardio Podcast | Boehringer Ingelheim GmbH & Co. KG; Lilly Deutschland GmbH | |
| 46 | 12 |  | Heavy Mental | David, Javier y Miki | |
| 47 | 16 | 3 | 3 Chanchitos | Almar | |
| 48 | 38 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 49 | 51 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 50 | 48 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 51 | 50 | Á | Átomos y Bits | Agencia EFE | |
| 52 | 61 |  | Mysterious Universe | 8th Kind | |
| 53 | 29 | C | Cruce de cables | Radio Nacional | |
| 54 | 85 | C | Ciència Imprescindible | Eduscopi | |
| 55 | 29 |  | Radiolab | WNYC Studios | |
| 56 | 88 |  | RATICOS DE CIENCIA. Conversaciones con científic@s | Julián Cerón-Madrigal | |
| 57 | 88 |  | Ovni Esp | Ovni Esp | |
| 58 | 99 | S | Súper Interesante | Súper Interesante Grandes Documentales | |
| 59 | 102 |  | Sternengeschichten | Florian Freistetter | |
| 60 | 107 | P | Planeta MUY | Muy Interesante | |
| 61 | 103 | M | MenteScopia, salud mental y neurociencia | Podcastidae.com | |
| 62 | 138 | L | La Terra és plana | Catalunya Ràdio | |
| 63 | — | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 64 | 135 | E | Esto no ha pasado (Tampoco es el fin del mundo) | Newtral | |
| 65 | — | B | Bacteriófagos | Carmela García Doval | |
| 66 | — | C | Conexión a Tierra | Endesa | |
| 67 | — | I | Inside Sport Science | Inside Sport Science | |
| 68 | — | L | Los Barberos | Los Barberos | |
| 69 | — |  | Ecosystemic Futures | Dyan Finkhousen: CEO of Shoshin Works | |
| 70 | — |  | PÍLDORAS de BIOTECH | Ysios Capital & Pharma New Talent | |
| 71 | — | N | National Geographic en Español | Aftersight | |
| 72 | 25 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 73 | — | F | FisioPodcast | Ruben Hernandez | |
| 74 | 36 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 75 | 45 | H | Heus aquí... la ciència | Eduscopi | |
| 76 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 77 | — | A | AlgoHumanos | Qwerty Podcast | |
| 78 | — |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 79 | — |  | The Science of Birds | Ivan Phillipsen | |
| 80 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 81 | — |  | Actualidad y Empleo Ambiental | Podcastidae | |
| 82 | — | E | EL FILÓN | José Luis Seco de Herrera | |
| 83 | — | S | Sci Guys | The Sci Guys | |
| 84 | 49 | E | Espacio en blanco | Radio Nacional | |
| 85 | — |  | Ground Truths | Eric Topol | |
| 86 | — |  | Palique Divulgativo | Palique Divulgativo | |
| 87 | — | V | Volvámonos Verdes | VV Podcast | |
| 88 | — |  | Casual Inference | Lucy D'Agostino McGowan and Ellie Murray | |
| 89 | — | M | Mi Jardín en el Desierto | Mi Jardín en el Desierto | |
| 90 | — | M | Mind & Life Europe Podcast | Mind & Life Europe | |
| 91 | — |  | Mind & Life | Mind & Life Institute | |
| 92 | — |  | So Cultured Podcast | Liv Grant & Taz Shipley | |
| 93 | — | F | Ferroelectricity and Computing | JJJason | |
| 94 | — |  | Spacewalk with Everyday Astronaut | Tim Dodd | |
| 95 | — |  | Mind & Matter | Nick Jikomes | |
| 96 | — | I | Iniciativas para cambiar el mundo | National Geographic España | |
| 97 | — | H | Hasta en la sopa | de Andre, Carol y Miri | |
| 98 | — | L | L’échappée Sciences | The Conversation France | |
| 99 | — | M | Manifesting Your Reality-The Law Of Assumption | Kimberly McComas | |
| 100 | — | A | Agujeros Negros | Emiliano Quiroz Carranza | |
