| 1 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 2 | 1 |  | Espacio en blanco | Radio Nacional | |
| 3 | 1 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 4 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 5 | 1 |  | Materia Oscura | ABC | |
| 6 | 1 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 7 | — |  | A hombros de gigantes | Radio 5 | |
| 8 | 2 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 9 | 1 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 10 | 1 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 11 | 2 | Á | Ático Primera con Laia Castel | laiascastel | |
| 12 | — | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 13 | 2 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 14 | 4 |  | Arpa Talks | Arpa Talks | |
| 15 | 30 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 16 | 2 | O | Oscilador Armónico | OsciladorArmónico | |
| 17 | 10 |  | Serendipias | SER Podcast | |
| 18 | 103 | C | Cienciaes.com | cienciaes.com | |
| 19 | 2 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 20 | 7 | L | La Ciencia de A Vivir | Cadena SER | |
| 21 | 1 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 22 | 4 |  | Speaking of Psychology | American Psychological Association | |
| 23 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 24 | 7 | Á | Átomos y Bits | Agencia EFE | |
| 25 | 8 |  | Radiolab | WNYC Studios | |
| 26 | 18 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 27 | 11 |  | Discovery | BBC World Service | |
| 28 | 11 | E | Ecocracia | Loupod | |
| 29 | 100 | S | Súper Interesante | Súper Interesante Grandes Documentales | |
| 30 | 13 | E | El bosque habitado | Radio 3 | |
| 31 | 12 |  | ScienceStuff | iHeartPodcasts | |
| 32 | 12 |  | Making Sense with Sam Harris | Sam Harris | |
| 33 | 25 | D | Domingo de Ciencia | doctorfision | |
| 34 | 26 | P | Podcast Aeroespacial | Sergio Hidalgo Learreta | |
| 35 | 31 |  | Curious Cases | BBC Radio 4 | |
| 36 | 11 | D | Desde el Observatorio | Astronomia UdeA | |
| 37 | 14 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 38 | 82 | A | Aparici en Órbita | Alberto Aparici | |
| 39 | 15 | E | El Orbitador | El Orbitador Podcast | |
| 40 | — | W | Wissenschaft im Brennpunkt | Deutschlandfunk | |
| 41 | — | D | Deep Science | Deutschlandfunk | |
| 42 | 31 |  | Overheard at National Geographic | National Geographic | |
| 43 | 63 | F | F.A.Z. Wissen | Frankfurter Allgemeine Zeitung | |
| 44 | 50 | I | Informe Miguel del Pino | esRadio | |
| 45 | 46 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 46 | 18 | A | A Ciencia Cierta | meteolp | |
| 47 | 85 | E | El universo y sus misterios | Física 64 | |
| 48 | 86 |  | The Michael Shermer Show | Michael Shermer | |
| 49 | 91 | L | LA MADRIGUERA | José Sacristán (Pepe) | |
| 50 | 132 | L | La Ciencia Pop | Gabriel León | |
| 51 | 91 |  | Safeguarding Sound Science | National Center for Science Education | |
| 52 | 22 |  | TED Talks Science and Medicine | TED | |
| 53 | 21 | T | Tras la tormenta | Radio Nacional | |
| 54 | 92 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 55 | 96 |  | The Psychology Podcast | iHeartPodcasts | |
| 56 | 118 | U | Universo Oculto. | Universo Oculto | |
| 57 | 16 | L | La Terra és plana | Catalunya Ràdio | |
| 58 | 23 | B | Bacteriófagos | Carmela García Doval | |
| 59 | 25 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 60 | 24 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 61 | 24 | S | Science on the Menu: A Food Safety Podcast by EFSA | European Food Safety Authority (EFSA) | |
| 62 | 24 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 63 | 23 | E | Estamos muy verdes | Estamos muy verdes | |
| 64 | — |  | Почему мы еще живы | libo/libo | |
| 65 | 23 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 66 | — | A | Astronomía Autodidacta | Carlos Andres Carvajal Tascon | |
| 67 | 24 | A | Astro Podcast | Astro Podcast | |
| 68 | — |  | CrowdScience | BBC World Service | |
| 69 | — |  | En La Mente De Un Ingeniero | Alvaro Buitrago Alvarez | |
| 70 | — | P | PorciCast | Nettius | |
| 71 | — | S | Scientificast, la scienza come non l'hai mai sentita | Scientificast | |
| 72 | 26 | A | Astronomía y algo más | Ricardo Garcia | |
| 73 | — | E | El Podcast del Hidrógeno | El Podcast del Hidrógeno | |
| 74 | — |  | PÍLDORAS de BIOTECH | Ysios Capital & Pharma New Talent | |
| 75 | — |  | Invisibilia | NPR | |
| 76 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 77 | — |  | Ask a Spaceman! | Paul M. Sutter | |
| 78 | — |  | Unexpected Elements | BBC World Service | |
| 79 | — | N | National Geographic en Español | Aftersight | |
| 80 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 81 | — | P | Paléoanthropologie du genre Homo - Jean-Jacques Hublin | Collège de France | |
| 82 | 29 |  | Fallo de sistema | Radio 3 | |
| 83 | 32 |  | Heavy Mental | David, Javier y Miki | |
| 84 | — |  | Big Brains | University of Chicago Podcast Network | |
| 85 | — | C | Ciencia y cosmética, el Podcast | Raquel Marcos | |
| 86 | — | P | Podcast Ladera Sur - Inspirados por la Naturaleza | Ladera Sur | |
| 87 | — | M | Mi Jardín en el Desierto | Mi Jardín en el Desierto | |
| 88 | — | L | Linguistics Behind the Scenes | Linguistics BTS | |
| 89 | — | U | Ulises y la Ciencia - Cienciaes.com | cienciaes.com | |
| 90 | — | S | Silicon Valley Astronomy Lectures | Silicon Valley Astronomy Lectures | |
| 91 | — |  | La vaca esférica | LaVacaEsférica | |
| 92 | — |  | Templeton Ideas Podcast | John Templeton Foundation | |
| 93 | — | U | Updated AF Collective | Magan Worth | |
| 94 | — | T | Ten Percent Happier with Dan Harris | 5 minute podcast summaries | Harry Party | |
| 95 | — | S | Space Radio | Paul M. Sutter | |
| 96 | 48 |  | La Conversation scientifique | France Culture | |
| 97 | 50 | I | Il giardino di Albert | RSI - Radiotelevisione svizzera | |
| 98 | 44 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 99 | 43 | P | Principio de Incertidumbre | Canal Extremadura | |
| 100 | 41 | E | El último humanista | Fernando Espí Forcén | |
