| 1 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 2 | — |  | Espacio en blanco | Radio Nacional | |
| 3 | — | C | Catástrofe ultravioleta | elDiario.es | |
| 4 | 3 |  | Materia Oscura | ABC | |
| 5 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 6 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 7 | 9 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 8 | 3 |  | Órbita Laika. El podcast | RNE Audio | |
| 9 | 1 |  | A hombros de gigantes | Radio 5 | |
| 10 | 1 |  | Radiolab | WNYC Studios | |
| 11 | 1 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 12 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 13 | 8 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 14 | 11 | H | Hope. El podcast | RNE Audio | |
| 15 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 16 | 6 | E | El último humanista | Fernando Espí Forcén | |
| 17 | 12 |  | Serendipias | SER Podcast | |
| 18 | 18 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 19 | — | T | Tras la tormenta | Radio Nacional | |
| 20 | 3 |  | Sapiens | Radio Nacional | |
| 21 | 11 |  | Making Sense with Sam Harris | Sam Harris | |
| 22 | 8 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 23 | — | L | La Ciencia de A Vivir | Cadena SER | |
| 24 | 4 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 25 | 10 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 26 | 8 | O | Oscilador Armónico | OsciladorArmónico | |
| 27 | 22 |  | BBC Inside Science | BBC Radio 4 | |
| 28 | 6 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 29 | 26 | L | La aventura de la vida | Félix Rodriguez de la Fuente | |
| 30 | — |  | Speed & Scale | TED | |
| 31 | 7 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 32 | 8 |  | Aparici en Órbita | OndaCero | |
| 33 | 38 | A | Aparici en Órbita | Alberto Aparici | |
| 34 | 44 |  | The Psychology Podcast | iHeartPodcasts | |
| 35 | 45 | C | Conexión a Tierra | Endesa | |
| 36 | 12 |  | Science Weekly | The Guardian | |
| 37 | 63 | H | Hablando de psicología | Facultad de Psicología-UNED | |
| 38 | 12 |  | Discovery | BBC World Service | |
| 39 | 12 | Á | Ático Primera con Laia Castel | laiascastel | |
| 40 | 12 | A | A Ciencia Cierta | meteolp | |
| 41 | 81 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 42 | — |  | The Life Scientific | BBC Radio 4 | |
| 43 | 13 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 44 | 4 | C | Cienciaes.com | cienciaes.com | |
| 45 | 15 | E | El bosque habitado | Radio 3 | |
| 46 | 124 | U | Universo Oculto. | Universo Oculto | |
| 47 | 14 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 48 | 17 | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 49 | 15 | D | Domingo de Ciencia | doctorfision | |
| 50 | 15 |  | More or Less | BBC Radio 4 | |
| 51 | 31 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 52 | — | E | El universo y sus misterios | Física 64 | |
| 53 | 78 |  | Heavy Mental | David, Javier y Miki | |
| 54 | 37 |  | Arpa Talks | Arpa Talks | |
| 55 | — |  | Почему мы еще живы | libo/libo | |
| 56 | — | E | El Orbitador | El Orbitador Podcast | |
| 57 | — |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 58 | — | F | Física a los 40 | Balaguer + Corbi | |
| 59 | — | H | How To Protect The Ocean | Andrew Lewin | |
| 60 | — | I | icqpodcast's Amateur / Ham Radio Podcast | ICQ Podcast | |
| 61 | — | U | Under the Cortex | psychologicalscience | |
| 62 | — |  | Environment, Climate Change, Renewable Energy, Regeneration, Sustainability, Nature, Politics, Circular Economy - One Planet | Environmental Solutions - One Planet Podcast - Creative Process Original Series | |
| 63 | — | F | Fisicaffè | Fisicaffè | |
| 64 | 27 | I | In dubio pro reo | Rocío Arregui Montoya | |
| 65 | 22 | C | Catástrofe Ultravioleta | Marcos Paulo Teodoro de Oliveira | |
| 66 | 27 | P | Permacultura Podcast | Permacultura Podcast | |
| 67 | 26 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 68 | 26 |  | Unexplainable | Vox | |
| 69 | 26 | P | Podcast Radio Skylab | radioskylab_es | |
| 70 | 26 | B | Boring History for Sleep | Velvet | |
| 71 | 8 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 72 | 25 |  | La Science, CQFD | France Culture | |
| 73 | 28 | A | Aboga&Cia - Tertulia Jurídica - Podcast de Derecho | Ángel Seisdedos | |
| 74 | 28 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 75 | 113 |  | The Quanta Podcast | Quanta Magazine | |
| 76 | 25 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 77 | 27 |  | Mentes Covalentes | Clara García y Hugo Quintela | |
| 78 | 111 |  | Speaking of Psychology | American Psychological Association | |
| 79 | 27 | B | Biología de Tranquis | Nico Palanca | |
| 80 | — | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 81 | 28 | L | La Radio del Somormujo | La Radio del Somormujo | |
| 82 | — |  | Radiowissen | Bayerischer Rundfunk | |
| 83 | — | A | Astro Podcast | Astro Podcast | |
| 84 | — |  | Babbage from The Economist | The Economist | |
| 85 | 31 |  | Голый землекоп | libo/libo | |
| 86 | 26 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 87 | 30 | R | Radio de Supervivencia | David Martinez | |
| 88 | 30 |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 89 | 30 | P | Principio de Incertidumbre | Canal Extremadura | |
| 90 | 28 | I | infektiopod | infektiopod | |
| 91 | 27 |  | Invisibilia | NPR | |
| 92 | 31 | F | Fotografiando la Naturaleza | Xavi Vicient | |
| 93 | — |  | TED Talks Science and Medicine | TED | |
| 94 | 31 | M | Meteorología-Previsión del tiempo | canaltiempo21 | |
| 95 | 30 | S | Scientificast, la scienza come non l'hai mai sentita | Scientificast | |
| 96 | 30 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 97 | — | L | La Climática | Climática / Rocío Gómez & Eloy de la Haza | |
| 98 | — | M | Mangas Verdes | Agencia EFE | |
| 99 | 32 |  | Eons: Surviving Deep Time | PBS | |
| 100 | 32 | E | ECDC: On Air | European Centre for Disease Prevention and Control | |
