| 1 | 1 |  | Órbita Laika. El podcast | RNE Audio | |
| 2 | 1 |  | Espacio en blanco | Radio Nacional | |
| 3 | 2 |  | Materia Oscura | ABC | |
| 4 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 5 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 6 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 7 | — | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 8 | — |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 9 | 1 |  | A hombros de gigantes | Radio 5 | |
| 10 | 1 | Á | Ático Primera con Laia Castel | laiascastel | |
| 11 | 4 |  | Arpa Talks | Arpa Talks | |
| 12 | 5 | A | Astronomía y algo más | Ricardo Garcia | |
| 13 | 3 |  | Radiolab | WNYC Studios | |
| 14 | 3 | L | La Ciencia de A Vivir | Cadena SER | |
| 15 | 3 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 16 | 3 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 17 | 3 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 18 | 20 |  | Sapiens | Radio Nacional | |
| 19 | 26 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 20 | 3 | A | A Ciencia Cierta | meteolp | |
| 21 | 3 | T | Tras la tormenta | Radio Nacional | |
| 22 | 72 |  | ScienceStuff | iHeartPodcasts | |
| 23 | 6 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 24 | 34 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 25 | 102 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 26 | 7 | C | Cruce de cables | Radio Nacional | |
| 27 | 7 | O | Oscilador Armónico | OsciladorArmónico | |
| 28 | 7 |  | Aparici en Órbita | OndaCero | |
| 29 | 7 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 30 | 165 | S | Starts With A Bang podcast | Ethan Siegel | |
| 31 | — | L | La taberna del Beagle | Carmela García Doval y Pedro M. Sánchez | |
| 32 | 13 |  | Serendipias | SER Podcast | |
| 33 | 7 |  | Curious Cases | BBC Radio 4 | |
| 34 | 13 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 35 | 90 | C | Ciencia y Saber | Abbcast | |
| 36 | 6 | A | Astronomía Autodidacta | Carlos Andres Carvajal Tascon | |
| 37 | 15 | A | Aparici en Órbita | Alberto Aparici | |
| 38 | 13 | E | Espacio en blanco | Radio Nacional | |
| 39 | 11 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 40 | 22 |  | Heavy Mental | David, Javier y Miki | |
| 41 | 10 | L | Los Barberos | Los Barberos | |
| 42 | 17 | E | El Orbitador | El Orbitador Podcast | |
| 43 | 10 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 44 | 8 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 45 | 19 | P | Podcast Radio Skylab | radioskylab_es | |
| 46 | — |  | Mándarax: ciencia en tu vida diaria | Sonoro | Leos y Alita | |
| 47 | — | П | правило 34 | Николай | |
| 48 | 16 | E | El sueño de Laika | JuanMa Parrondo | |
| 49 | 22 |  | Quarks Daily | Quarks | |
| 50 | 22 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 51 | 44 | D | De Ignorancia Sí que Sé | Alberto Aparici | |
| 52 | 25 |  | Making Sense with Sam Harris | Sam Harris | |
| 53 | 53 | A | Aboga&Cia - Tertulia Jurídica - Podcast de Derecho | Ángel Seisdedos | |
| 54 | 24 |  | TEDTalks Ciencia y Medicina | TED | |
| 55 | 24 |  | Fallo de sistema | Radio 3 | |
| 56 | 59 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 57 | 59 |  | TED Talks Science and Medicine | TED | |
| 58 | 64 | L | La Ciencia Pop | Gabriel León | |
| 59 | 27 | Á | Átomos y Bits | Agencia EFE | |
| 60 | 75 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 61 | 27 | N | NO NI NÁ | Entelekia Filosófik | |
| 62 | 110 | L | La Terre au carré | France Inter | |
| 63 | 121 | D | Desmontando La firma de Dios | Podium Podcast | |
| 64 | 136 | R | República de Los Cocos | H. Cuerpo diplomático de la Rep. de Los Cocos | |
| 65 | — | L | Lo Que Haces Cuenta | National Geographic | |
| 66 | 29 | H | Háblame de Ciencia | Universidad de Guadalajara | |
| 67 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 68 | 29 | A | Astro Podcast | Astro Podcast | |
| 69 | — |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 70 | — | U | Un Veterinario - Divulgación Veterinaria | Víctor Algra | |
| 71 | — | D | Diálogos con la ciencia | Javier Ángel Ramirez - Radio María ESP | |
| 72 | — |  | Голый землекоп | libo/libo | |
| 73 | — |  | New Books in Critical Theory | Marshall Poe | |
| 74 | 33 | A | About Sustainability… | Institute for Global Environmental Strategies | |
| 75 | — | E | El Camarote de Darwin | El Camarote de Darwin | |
| 76 | — | A | Astroacademy | Astroacademy | |
| 77 | — |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 78 | — |  | Let's Learn Everything! | Maximum Fun | |
| 79 | — | 奏 | 奏でる細胞 MUSIC SCIENCE PODCAST | タツ（細胞学）ゆりか（リベラルアーツ講師） | |
| 80 | — |  | The Uptime Wind Energy Podcast | Allen Hall, Rosemary Barnes, Joel Saxum & Phil Totaro | |
| 81 | — | H | HOSPITAL DE PLANTAS | ADR NETWORKS | |
| 82 | — | T | Talking Biotech with Dr. Kevin Folta | Colabra | |
| 83 | — | C | Ciencia del Fin del Mundo | Ciencia del Fin del Mundo | |
| 84 | — | C | Cerebros sin fronteras. El podcast | RNE Audio | |
| 85 | — | サ | サイエンスディスカバリー | 科学系ポッドキャスターズ | |
| 86 | — |  | Living Planet | DW | |
| 87 | — | D | Droit international des institutions - Samantha Besson | Collège de France | |
| 88 | — | L | La Mare de la Ciència | PRBB | |
| 89 | — | P | Podcast: Audios En Inglés | Isidora Marisol Mendoza | |
| 90 | — | E | El Viajero de la Ciencia - Carlos Alameda | Carlos Alameda | |
| 91 | — |  | Every Animal Ever | Dr Cesar Puechmarin, Zach Mander | |
| 92 | — |  | Stars, Cells, and God | Reasons to Believe | |
| 93 | — | R | Reasons to Believe Africa Podcast | Reasons to Believe Africa | |
| 94 | — | M | Mundo Ciencia | RFI Español | |
| 95 | — | N | Nouvelle Conscience | Manon Sala | |
| 96 | — | G | Good Impact - Unsere Artikel zum Hören | Good Impact Magazin | |
| 97 | 54 | G | GeoCastAway | GeoNáufragos | GeoCastAway | |
| 98 | 54 | P | PorciCast | Nettius | |
| 99 | 53 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 100 | 52 |  | La Science, CQFD | France Culture | |
