| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 3 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 4 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 5 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 6 | — |  | Materia Oscura | ABC | |
| 7 | 2 | H | Hope. El podcast | RNE Audio | |
| 8 | 1 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 9 | 27 | O | Oscilador Armónico | OsciladorArmónico | |
| 10 | 2 | L | La Ciencia de A Vivir | Cadena SER | |
| 11 | 3 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 12 | 1 |  | Arpa Talks | Arpa Talks | |
| 13 | 1 | E | El último humanista | Fernando Espí Forcén | |
| 14 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 15 | 2 |  | A hombros de gigantes | Radio 5 | |
| 16 | 6 |  | Heavy Mental | David, Javier y Miki | |
| 17 | 4 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 18 | 28 | Á | Ático Primera con Laia Castel | laiascastel | |
| 19 | 59 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 20 | 87 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 21 | 6 | Á | Átomos y Bits | Agencia EFE | |
| 22 | 2 |  | Serendipias | SER Podcast | |
| 23 | 11 | A | A Ciencia Cierta | meteolp | |
| 24 | 9 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 25 | 20 | L | La Terra és plana | Catalunya Ràdio | |
| 26 | 22 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 27 | 11 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 28 | — | T | Tópicos de Química. Una visión contextualizada de la Ciencia central. | ALEXANDER RONALD CASTILLO REVEROL | |
| 29 | 36 |  | Science In Action | BBC World Service | |
| 30 | 49 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 31 | 53 | W | Wissenschaftsmagazin | Schweizer Radio und Fernsehen (SRF) | |
| 32 | 61 |  | The Logic of Risk | Pasquale Cirillo | |
| 33 | 16 | L | La Terre au carré | France Inter | |
| 34 | 69 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 35 | 69 |  | Radiolab | WNYC Studios | |
| 36 | 17 |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 37 | 17 | T | Tras la tormenta | Radio Nacional | |
| 38 | 15 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 39 | 70 | E | El Guardabosques WildPodcast | Laura Núñez Bañuls y Fracesco Rovedo | |
| 40 | 18 |  | Quarks Daily | Quarks | |
| 41 | 15 | P | Podcast Radio Skylab | radioskylab_es | |
| 42 | 17 | S | Solaris | Podium Podcast | |
| 43 | 122 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 44 | 127 |  | Голый землекоп | libo/libo | |
| 45 | 127 |  | Votre cerveau | France Culture | |
| 46 | 18 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 47 | 18 | Г | Головна обсерваторія | Українська правда | |
| 48 | 140 | E | El Orbitador | El Orbitador Podcast | |
| 49 | 19 | P | Podcast NSCA Spain | NSCA Spain | |
| 50 | 19 | R | RECORTES DE HISTORIA Y CIENCIA | Fernando Marmaneu Cánovas | |
| 51 | 18 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 52 | 20 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 53 | 136 | A | Astro Podcast | Astro Podcast | |
| 54 | 19 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 55 | 136 | C | Cruce de cables | Radio Nacional | |
| 56 | 139 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 57 | — | P | Podcast Ladera Sur - Inspirados por la Naturaleza | Ladera Sur | |
| 58 | — | E | Ecocracia | Loupod | |
| 59 | 22 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 60 | — | N | National Geographic en Español | Aftersight | |
| 61 | — |  | Unexplainable | Vox | |
| 62 | — | E | Entre probetas | Radio 5 | |
| 63 | 135 | E | El Método | Luis Quevedo / CUONDA | |
| 64 | — |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 65 | 26 |  | Sapiens | Radio Nacional | |
| 66 | — | D | Desmontando La firma de Dios | Podium Podcast | |
| 67 | 29 |  | The Psychology Podcast | iHeartPodcasts | |
| 68 | — | E | El Camarote de Darwin | El Camarote de Darwin | |
| 69 | 22 | A | Aparici en Órbita | Alberto Aparici | |
| 70 | — | H | Historia de la ciencia y de sus protagonistas | Fundación Ramón Areces | |
| 71 | — |  | Short Wave | NPR | |
| 72 | — | L | La Hora De La Biología | La Hora de la Biología | |
| 73 | — |  | The Nature Of with Willow Defebaugh | Atmos | |
| 74 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 75 | — | U | Un Veterinario - Divulgación Veterinaria | Víctor Algra | |
| 76 | — |  | En La Mente De Un Ingeniero | Alvaro Buitrago Alvarez | |
| 77 | 34 | L | LA MADRIGUERA | José Sacristán (Pepe) | |
| 78 | 38 |  | The world, the universe and us | New Scientist | |
| 79 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 80 | 38 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 81 | — | L | La Senda de las Plantas Perdidas | Aina S. Erice | |
| 82 | — | P | Podcast Aeroespacial | Sergio Hidalgo Learreta | |
| 83 | 42 | F | Focus | NPO Luister / NTR | |
| 84 | — |  | TED Talks Science and Medicine | TED | |
| 85 | — |  | Vivir sin plástico | Vivir sin plástico | |
| 86 | — | E | Entre pinos y sembrados Podcast | Podcastidae.com | |
| 87 | — |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 88 | — |  | ESA Explores | European Space Agency | |
| 89 | — | P | Psicología-Inseguridades | Alejandra Arredondo | |
| 90 | — | E | EM LOGIC | Brady Pregerson, MD | |
| 91 | — | Н | Наукасти | NEED | |
| 92 | — |  | The Studies Show | Tom Chivers and Stuart Ritchie | |
| 93 | — |  | Need To Know | Bryce Zabel | |
| 94 | — |  | In Defense of Plants Podcast | In Defense of Plants | |
| 95 | — | L | La poma de Newton | Catalunya Ràdio | |
| 96 | — |  | Raising Health | Andreessen Horowitz, a16z Bio + Health | |
| 97 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 98 | — |  | Brookings Podcast on Economic Activity | The Brookings Institution | |
| 99 | — | T | The Function Room | GoLoud | |
| 100 | 56 |  | BBC Inside Science | BBC Radio 4 | |
