| 1 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 2 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 3 | 1 |  | Espacio en blanco | Radio Nacional | |
| 4 | 1 |  | Materia Oscura | ABC | |
| 5 | 1 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 6 | 2 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 7 | — | C | Catástrofe ultravioleta | elDiario.es | |
| 8 | — |  | A hombros de gigantes | Radio 5 | |
| 9 | 1 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 10 | 2 |  | Órbita Laika. El podcast | RNE Audio | |
| 11 | 2 |  | Serendipias | SER Podcast | |
| 12 | 25 | T | Tras la tormenta | Radio Nacional | |
| 13 | 2 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 14 | 3 | H | Hope. El podcast | RNE Audio | |
| 15 | 46 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 16 | 2 | Á | Ático Primera con Laia Castel | laiascastel | |
| 17 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 18 | 2 | L | La Ciencia de A Vivir | Cadena SER | |
| 19 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 20 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 21 | 8 |  | Sapiens | Radio Nacional | |
| 22 | 8 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 23 | 48 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 24 | 2 | E | El bosque habitado | Radio 3 | |
| 25 | 5 |  | Radiolab | WNYC Studios | |
| 26 | — | E | El último humanista | Fernando Espí Forcén | |
| 27 | 5 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 28 | 11 | A | AlgoHumanos | Qwerty Podcast | |
| 29 | 2 | J | Jodisea Mundo Odiseas Documentales Podcast para dormir en Español Audio Libros Historia Niños+Adulto | Orbinea Studio | |
| 30 | 15 |  | More or Less | BBC Radio 4 | |
| 31 | 12 | A | Astronomía y algo más | Ricardo Garcia | |
| 32 | 1 |  | Heavy Mental | David, Javier y Miki | |
| 33 | 1 |  | Babbage from The Economist | The Economist | |
| 34 | 1 | R | Radio de Supervivencia | David Martinez | |
| 35 | 11 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 36 | 81 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 37 | 12 | Á | Átomos y Bits | Agencia EFE | |
| 38 | 85 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 39 | 11 | E | El sueño de Laika | JuanMa Parrondo | |
| 40 | 104 | N | National Geographic Magazine | Radio Eye | |
| 41 | 3 | A | Aparici en Órbita | Alberto Aparici | |
| 42 | 13 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 43 | 127 |  | Nature Podcast | Springer Nature Limited | |
| 44 | 14 |  | Ologies with Alie Ward | Alie Ward | |
| 45 | 123 |  | Science Weekly | The Guardian | |
| 46 | 15 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 47 | 143 |  | Jefillysh: Ciencia Simplificada | Carolina Jefillysh | |
| 48 | 12 | O | Oscilador Armónico | OsciladorArmónico | |
| 49 | — | N | Neurosapiens | Neurosapiens | |
| 50 | 27 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 51 | — |  | Casual Inference | Lucy D'Agostino McGowan and Ellie Murray | |
| 52 | — | M | Matemáticas en el mundo | MathNetic | |
| 53 | — | L | Los πq2 (Los Picudos Matemáticos) | Los Picudos Matemáticos | |
| 54 | — |  | The Life Of The Mind by Steven Pinker | This Is 42 | |
| 55 | — | O | One Planet Podcast · Climate Change, Politics, Sustainability, Environmental Solutions, Renewable Energy, Activism, Biodiver | Creative Process Original Series | |
| 56 | — | C | Ciencia de Datos con Jocelyn Dunstan | IMFD Chile | |
| 57 | — | G | GeoCastAway | GeoNáufragos | GeoCastAway | |
| 58 | — | D | De cause à effets, le magazine de l'environnement | France Culture | |
| 59 | — | L | La canica azul | Podium Podcast | |
| 60 | — |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 61 | — | E | El Origen Del Comportamiento Humano | Darlyn Estella Torres Yela | |
| 62 | — | L | La Mare de la Ciència | PRBB | |
| 63 | — | T | The Universe Speaks in Numbers | Faber and Faber | |
| 64 | — |  | Incendios forestales, cambio climático y reforestación | Itzel Desaida | |
| 65 | — | L | La Estadística En Casos Reales | vivian andrea yepes castañeda | |
| 66 | — | B | Bioquímica Para Todos | luis sanchez | |
| 67 | — | C | Clinical neurology with KD | Krishnadas N C | |
| 68 | — | I | In the Interim... | Berry | |
| 69 | — | A | A Neuroscientist Explains | The Guardian | |
| 70 | — |  | Center for Social Innovation | Stanford University | |
| 71 | — |  | City Health and Wellbeing | Stockholm Environment Institute (SEI) | |
| 72 | — | C | Curiosity Unbounded | Massachusetts Institute of Technology (MIT) | |
| 73 | — |  | We're not getting any younger... yet. | The Buck Institute | |
| 74 | — | S | Sur les traces de la Préhistoire | ici | |
| 75 | — | M | MIT News | Massachusetts Institute of Technology (MIT) | |
| 76 | 26 | S | SERENDIPIA-Divulgación Científica | SERENDIPIA-Divulgación Científica | |
| 77 | 15 |  | Materialism: A Materials Science Podcast | Taylor Sparks and Andrew Falkowski | |
| 78 | 51 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 79 | 41 | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 80 | 39 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 81 | 49 |  | Short Wave | NPR | |
| 82 | 40 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 83 | 43 | E | Earth to Humans | Earth to Humans Podcast | |
| 84 | 41 | H | Hablando de psicología | Facultad de Psicología-UNED | |
| 85 | 93 |  | Fallo de sistema | Radio 3 | |
| 86 | 85 | P | Principio de Incertidumbre | Canal Extremadura | |
| 87 | 41 |  | Mentes Covalentes | Clara García y Hugo Quintela | |
| 88 | 39 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 89 | 38 | Z | Zoo de fósiles - Cienciaes.com | cienciaes.com | |
| 90 | 43 | C | Cosmos | Radio UASLP Jessica Pérez Mena | |
| 91 | 96 | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 92 | 44 | D | De Ignorancia Sí que Sé | Alberto Aparici | |
| 93 | 39 | C | Cienciaes.com | cienciaes.com | |
| 94 | 44 |  | Invisibilia | NPR | |
| 95 | 42 |  | Palique Divulgativo | Palique Divulgativo | |
| 96 | 44 | E | El Podcast de Phil Hugo | Phil Hugo | |
| 97 | 42 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 98 | — |  | Mysterious Universe | 8th Kind | |
| 99 | 43 | N | National Geographic en Español | Aftersight | |
| 100 | 40 | S | Synapsen – ein Wissenschaftspodcast | NDR Info | |
