| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 3 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 4 | — |  | Materia Oscura | ABC | |
| 5 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 6 | 1 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 7 | 4 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 8 | 1 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 9 | 2 |  | A hombros de gigantes | Radio 5 | |
| 10 | — | Á | Ático Primera con Laia Castel | laiascastel | |
| 11 | 1 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 12 | 4 |  | Arpa Talks | Arpa Talks | |
| 13 | — | L | La Ciencia de A Vivir | Cadena SER | |
| 14 | 2 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 15 | 11 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 16 | 9 |  | Discovery | BBC World Service | |
| 17 | 18 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 18 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 19 | — |  | Ologies with Alie Ward | Alie Ward | |
| 20 | 6 |  | Serendipias | SER Podcast | |
| 21 | 13 | Á | Átomos y Bits | Agencia EFE | |
| 22 | 7 |  | Heavy Mental | David, Javier y Miki | |
| 23 | 160 | L | La Ciencia Pop | Gabriel León | |
| 24 | 6 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 25 | 5 | A | Astronomía y algo más | Ricardo Garcia | |
| 26 | 24 | E | El último humanista | Fernando Espí Forcén | |
| 27 | 22 |  | ScienceStuff | iHeartPodcasts | |
| 28 | 7 | L | La Terra és plana | Catalunya Ràdio | |
| 29 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 30 | 6 | E | El bosque habitado | Radio 3 | |
| 31 | 1 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 32 | 17 |  | Radiolab | WNYC Studios | |
| 33 | — | T | Tras la tormenta | Radio Nacional | |
| 34 | 68 | L | La aventura de la vida | Félix Rodriguez de la Fuente | |
| 35 | 164 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 36 | 13 |  | Sapiens | Radio Nacional | |
| 37 | 15 | D | Desde el Observatorio | Astronomia UdeA | |
| 38 | 11 |  | Science Vs | Spotify Studios | |
| 39 | 18 |  | Speaking of Psychology | American Psychological Association | |
| 40 | 54 |  | Making Sense with Sam Harris | Sam Harris | |
| 41 | 24 |  | Short Wave | NPR | |
| 42 | 53 | A | Aparici en Órbita | Alberto Aparici | |
| 43 | 27 | H | Hablando de psicología | Facultad de Psicología-UNED | |
| 44 | 14 |  | More or Less | BBC Radio 4 | |
| 45 | 54 | S | Solaris | Podium Podcast | |
| 46 | 15 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 47 | 19 | L | La Hora De La Biología | La Hora de la Biología | |
| 48 | 64 |  | De Universiteit van Nederland Podcast | Universiteit van Nederland | |
| 49 | — |  | Native Plants, Healthy Planet | Pinelands Nursery, Bleav | |
| 50 | 115 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 51 | 127 |  | Safeguarding Sound Science | National Center for Science Education | |
| 52 | 130 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 53 | 15 |  | TEDTalks Ciencia y Medicina | TED | |
| 54 | 142 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 55 | 18 |  | The Psychology Podcast | iHeartPodcasts | |
| 56 | 20 |  | Fallo de sistema | Radio 3 | |
| 57 | — | U | UNIVERSO BONSAILOVER PODCAST | Manuel Porras Sanchez | |
| 58 | — | E | Entre probetas | Radio 5 | |
| 59 | — |  | Jefillysh: Ciencia Simplificada | Carolina Jefillysh | |
| 60 | — | P | Podcast Radio Skylab | radioskylab_es | |
| 61 | — | J | Jodisea Mundo Odiseas Documentales Podcast para dormir en Español Audio Libros Historia Niños+Adulto | Orbinea Studio | |
| 62 | — | L | Los Barberos | Los Barberos | |
| 63 | — |  | Climate One | Climate One from The Commonwealth Club | |
| 64 | 25 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 65 | — |  | Голый землекоп | libo/libo | |
| 66 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 67 | — | Q | Questions du soir : l'idée | France Culture | |
| 68 | — |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 69 | 29 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 70 | — | R | Retazos Antropológicos | aries.aibr.org | |
| 71 | — | Q | Qualitative Research Methods for Everyone Podcast | Policy Press | |
| 72 | — | L | La fabrique du savoir | Le Monde | |
| 73 | — | B | Biología selectividad 📖 | Ariadna Expósito | |
| 74 | — | M | Modern Physics: Cosmology (Winter 2013) | Stanford Continuing Studies | |
| 75 | — |  | Green Dreamer: Seeding change towards collective healing, sustainability, regeneration | kaméa chayne | |
| 76 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 77 | — | N | New Scientist Weekly | New Scientist | |
| 78 | — | O | One Planet Podcast · Climate Change, Politics, Sustainability, Environmental Solutions, Renewable Energy, Activism, Biodiver | Creative Process Original Series | |
| 79 | — | F | Física y Palabrotas | FisicayPalabrotas | |
| 80 | 39 | C | C I E N C I A | Wesley Yuiti Ito Da Silva | |
| 81 | — | I | Intereses Conectados | Intereses Conectados | Luvi | |
| 82 | — |  | Ecosystemic Futures | Dyan Finkhousen: CEO of Shoshin Works | |
| 83 | — | S | Speaking of Psychology | American Psychological Association | |
| 84 | — | M | MinutePhysics | Neptune Studios | |
| 85 | — |  | Environment, Climate Change, Renewable Energy, Regeneration, Sustainability, Nature, Politics, Circular Economy - One Planet | Environmental Solutions - One Planet Podcast - Creative Process Original Series | |
| 86 | — | P | PhotosynTech | Tushar Kant | |
| 87 | — | C | CME in Minutes: Education in Primary Care | Answers in CME | |
| 88 | — | K | Knowing Neurons | Knowing Neurons | |
| 89 | — | T | The Human Risk Podcast | Human Risk | |
| 90 | 47 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 91 | 49 | N | Notas de Naturaleza | Iván Vega | |
| 92 | 47 | C | Cienciaes.com | cienciaes.com | |
| 93 | 49 | D | Domingo de Ciencia | doctorfision | |
| 94 | 43 |  | La Science, CQFD | France Culture | |
| 95 | 48 | F | FISIOTERAPIA INVASIVA | Jose Moyano | |
| 96 | 48 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 97 | 51 | E | Espacio en blanco | Radio Nacional | |
| 98 | 46 | E | El universo y sus misterios | Física 64 | |
| 99 | 40 | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 100 | 4 | O | Oscilador Armónico | OsciladorArmónico | |
