| 1 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 2 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 3 | 1 |  | Materia Oscura | ABC | |
| 4 | 1 |  | Órbita Laika. El podcast | RNE Audio | |
| 5 | — |  | Espacio en blanco | Radio Nacional | |
| 6 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 7 | 1 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 8 | 31 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 9 | 2 | L | La Ciencia de A Vivir | Cadena SER | |
| 10 | 1 | Á | Ático Primera con Laia Castel | laiascastel | |
| 11 | 1 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 12 | 3 |  | Serendipias | SER Podcast | |
| 13 | 1 |  | A hombros de gigantes | Radio 5 | |
| 14 | 3 | A | Astronomía y algo más | Ricardo Garcia | |
| 15 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 16 | 21 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 17 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 18 | 6 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 19 | 11 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 20 | 7 |  | Nature Podcast | Springer Nature Limited | |
| 21 | 11 | A | Aparici en Órbita | Alberto Aparici | |
| 22 | 53 |  | Votre cerveau | France Culture | |
| 23 | 6 | 2 | 2,1 hijos | Jorge Calero | |
| 24 | 10 | O | Oscilador Armónico | OsciladorArmónico | |
| 25 | 9 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 26 | 5 |  | Discovery | BBC World Service | |
| 27 | 33 |  | Science Friday | Science Friday and WNYC Studios | |
| 28 | 6 |  | Science Vs | Spotify Studios | |
| 29 | 16 |  | Making Sense with Sam Harris | Sam Harris | |
| 30 | 6 |  | Heavy Mental | David, Javier y Miki | |
| 31 | 16 |  | Radiolab | WNYC Studios | |
| 32 | — |  | COMPLEXITY | Santa Fe Institute | |
| 33 | — |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 34 | — | K | KI verstehen | Deutschlandfunk | |
| 35 | — | C | COSAS DE SAPIENS | COSAS DE SAPIENS | |
| 36 | 9 | C | Cienciaes.com | cienciaes.com | |
| 37 | 18 |  | Ologies with Alie Ward | Alie Ward | |
| 38 | 13 |  | Science Quickly | Scientific American | |
| 39 | 24 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 40 | — | H | Háblame de Ciencia | Universidad de Guadalajara | |
| 41 | 18 | C | Ciencia Nuestra de cada Día - Cienciaes.com | Ángel Rodríguez Lozano | |
| 42 | 17 |  | Arpa Talks | Arpa Talks | |
| 43 | 22 |  | Sapiens | Radio Nacional | |
| 44 | 21 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 45 | 49 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 46 | 52 |  | Speaking of Psychology | American Psychological Association | |
| 47 | 55 | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 48 | 56 |  | This Week in Microbiology | Vincent Racaniello | |
| 49 | 98 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 50 | 59 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 51 | 64 |  | The world, the universe and us | New Scientist | |
| 52 | 68 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 53 | 27 | R | RAIZ DE 5 - El podcast más hipotenuso | santigarciacc | |
| 54 | 70 |  | All In The Mind | ABC | |
| 55 | 66 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 56 | 67 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 57 | 81 | P | Planeta MUY | Muy Interesante | |
| 58 | 90 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 59 | 77 |  | This Week in Neuroscience | Vincent Racaniello | |
| 60 | 91 |  | Overheard at National Geographic | National Geographic | |
| 61 | 99 | D | Domingo de Ciencia | doctorfision | |
| 62 | 34 | ¿ | ¿Así que te gustan las plantas? | Así que te gustan las plantas | |
| 63 | 126 | Z | Zoo de fósiles - Cienciaes.com | cienciaes.com | |
| 64 | 115 | S | Seriously Stem Cells | seriously stem cells | |
| 65 | 23 | A | A Ciencia Cierta | meteolp | |
| 66 | — | S | Súper Interesante | Súper Interesante Grandes Documentales | |
| 67 | 124 |  | So Cultured Podcast | Liv Grant & Taz Shipley | |
| 68 | 37 | C | Cruce de cables | Radio Nacional | |
| 69 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 70 | — |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 71 | — | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 72 | 39 | B | Bacteriófagos | Carmela García Doval | |
| 73 | — | P | Podcast Radio Skylab | radioskylab_es | |
| 74 | — |  | Infectious Disease Puscast | Vincent Racaniello | |
| 75 | — | A | About Sustainability… | Institute for Global Environmental Strategies | |
| 76 | — | M | Microbe Talk | Microbiology Society | |
| 77 | — | U | Ulises y la Ciencia - Cienciaes.com | cienciaes.com | |
| 78 | — | E | El Podcast de Phil Hugo | Phil Hugo | |
| 79 | — | V | Vanguardia de la Ciencia - Cienciaes.com | cienciaes.com | |
| 80 | — |  | Short Wave | NPR | |
| 81 | — | C | Cierta Ciencia - Cienciaes.com | Josefina Cano | |
| 82 | — |  | Science Will Win | Pfizer | |
| 83 | — | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 84 | — |  | Origin Stories | The Leakey Foundation | |
| 85 | 51 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 86 | — | C | Ciencia Fresca - Cienciaes.com | Jorge Laborda y Ángel Rodríguez Lozano | |
| 87 | — | D | Digital Pathology Podcast | Aleksandra Zuraw, DVM, PhD | |
| 88 | — |  | TED Talks Science and Medicine | TED | |
| 89 | — | E | El Neutrino - Cienciaes.com | cienciaes.com | |
| 90 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 91 | 56 |  | Alimento y salud | Radio 5 | |
| 92 | — | B | Beyond the Abstract | Beyond the Abstract | |
| 93 | — | F | FISIOTERAPIA INVASIVA | Jose Moyano | |
| 94 | — |  | The Science Show | ABC listen | |
| 95 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 96 | — | H | Hemispherics | Hemispherics | |
| 97 | — |  | Off-Target Effects with Matt Gline | BiotechTV | |
| 98 | — |  | Entrevistas National Geographic | National Geographic España | |
| 99 | — | D | Das Leben des Brain | ACB Stories & Bent Freiwald | |
| 100 | — |  | The Science of Everything Podcast | James Fodor | |
