| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 3 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 4 | — |  | Materia Oscura | ABC | |
| 4 | 1 |  | The Rest Is Science | Goalhanger | |
| 5 | 1 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 6 | 1 |  | A hombros de gigantes | Radio 5 | |
| 8 | — | L | La Ciencia de A Vivir | Cadena SER | |
| 9 | 31 |  | Science Weekly | The Guardian | |
| 9 | — |  | Horizonte – Iker Jiménez | Mediaset | |
| 9 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 9 | 1 |  | Sapiens | Radio Nacional | |
| 10 | 2 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 11 | 4 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 12 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 12 | 3 |  | Órbita Laika. El podcast | RNE Audio | |
| 13 | 1 |  | Planet Em | Emily McDonald | |
| 14 | 5 | Á | Átomos y Bits | Agencia EFE | |
| 15 | 21 |  | Heavy Mental | David, Javier y Miki | |
| 16 | 1 |  | Serendipias | SER Podcast | |
| 16 | 3 |  | Radiolab | WNYC Studios | |
| 17 | 13 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 18 | — | B | Boring History for Sleep | Velvet | |
| 19 | 1 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 19 | 5 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 19 | — | O | Oscilador Armónico | OsciladorArmónico | |
| 20 | 5 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 22 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 23 | 34 | B | Bacteriófagos | Carmela García Doval | |
| 23 | 8 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 24 | 7 | L | La Terra és plana | Catalunya Ràdio | |
| 25 | 3 | Á | Ático Primera con Laia Castel | laiascastel | |
| 25 | 2 | E | Espacio en blanco | Radio Nacional | |
| 25 | 11 | C | Cienciaes.com | cienciaes.com | |
| 27 | 9 |  | BBC Inside Science | BBC Radio 4 | |
| 29 | 5 | C | Catástrofe ultravioleta | elDiario.es | |
| 31 | 1 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 31 | 2 | C | Ciencia y Saber | Abbcast | |
| 31 | 61 |  | Planet Visionaries – SEASON 5 | A podcast in partnership with The Rolex Perpetual Planet Initiative | |
| 31 | 10 |  | Arpa Talks | Arpa Talks | |
| 32 | 9 | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 32 | 2 |  | Unexplainable | Vox | |
| 34 | 2 | C | Ciencia Fresca - Cienciaes.com | Jorge Laborda y Ángel Rodríguez Lozano | |
| 35 | 5 | E | El último humanista | Fernando Espí Forcén | |
| 38 | 4 | A | A Ciencia Cierta | meteolp | |
| 38 | 9 | A | Aparici en Órbita | Alberto Aparici | |
| 39 | 13 | L | La taberna del Beagle | Carmela García Doval y Pedro M. Sánchez | |
| 39 | — |  | Short Wave | NPR | |
| 39 | 14 | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 41 | 7 | E | El Podcast de Phil Hugo | Phil Hugo | |
| 43 | 85 | B | Biología de Tranquis | Nico Palanca | |
| 43 | — | C | Cruce de cables | Radio Nacional | |
| 44 | 3 |  | More or Less | BBC Radio 4 | |
| 44 | 10 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 45 | 1 |  | Science Vs | Spotify Studios | |
| 45 | 54 |  | Curious Cases | BBC Radio 4 | |
| 45 | 14 |  | Need To Know | Bryce Zabel | |
| 45 | — |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 46 | 19 |  | Overheard at National Geographic | National Geographic | |
| 47 | 6 | A | Aboga&Cia - Tertulia Jurídica - Podcast de Derecho | Ángel Seisdedos | |
| 48 | 1 |  | Babbage from The Economist | The Economist | |
| 50 | — |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
| 50 | 15 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 50 | 31 |  | Mándarax: ciencia en tu vida diaria | Sonoro | Leos y Alita | |
| 50 | 12 | A | Astronomía y algo más | Ricardo Garcia | |
| 50 | 64 | E | El Orbitador | El Orbitador Podcast | |
| 51 | 3 | M | Mente abierta | Radio Nacional | |
| 52 | — |  | Little Curiosities With Kendall Long | QCODE | |
| 53 | — | B | Biología y Bioquímica | Claudio Iribarren | |
| 54 | 9 |  | Geologia Oviedo | Departamento y Facultad de Geología de la Universidad de Oviedo | |
| 54 | — | M | Master Class con Xurxo Mariño: neurociencia | OndaCero | |
| 57 | 134 |  | La Conversation scientifique | France Culture | |
| 57 | — | A | Así Somos Podcast: Grupo Social ONCE | Grupo Social ONCE | |
| 58 | 17 | E | El sueño de Laika | JuanMa Parrondo | |
| 58 | 11 |  | The Future of Everything | Stanford Engineering | |
| 58 | — |  | Climate One | Climate One from The Commonwealth Club | |
| 58 | 61 |  | A Question of Science | The Francis Crick Institute | |
| 59 | 20 | A | A Través del Universo | universo@iaa.es | |
| 59 | 71 | J | Jorge Roig. Fisiología del Ejercicio | Jorge Roig | |
| 60 | 22 | T | The Hague Diplomacy Podcast | The Hague Diplomacy Podcast | |
| 61 | — |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 61 | 17 |  | Ologies with Alie Ward | Alie Ward | |
| 62 | 7 |  | Aparici en Órbita | OndaCero | |
| 63 | — |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 63 | 21 | U | Universo Oculto. | Universo Oculto | |
| 64 | 82 |  | The Psychology Podcast | iHeartPodcasts | |
| 64 | — |  | Mentes Covalentes | Clara García y Hugo Quintela | |
| 64 | — |  | Fallo de sistema | Radio 3 | |
| 65 | — | 3 | 36.9° ‐ RTS | RTS - Radio Télévision Suisse | |
| 65 | 25 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 66 | — |  | Blurry Creatures | Blurry Creatures | |
| 66 | 106 | H | HYPERLAND | David Malone and Ian Stroud | |
| 66 | 119 |  | En La Mente De Un Ingeniero | Alvaro Buitrago Alvarez | |
| 67 | 17 | L | Les idées larges | ARTE Radio | |
| 67 | 7 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 67 | — |  | Instant Genius | Our Media | |
| 68 | 7 |  | Scotland Outdoors | BBC Radio Scotland | |
| 69 | 120 |  | RATICOS DE CIENCIA. Conversaciones con científic@s | Julián Cerón-Madrigal | |
| 70 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 71 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
