| 1 | 3 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 2 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 3 | 1 |  | Órbita Laika. El podcast | RNE Audio | |
| 4 | 1 |  | Materia Oscura | ABC | |
| 5 | 2 |  | Espacio en blanco | Radio Nacional | |
| 6 | 2 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 7 | 1 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 8 | 1 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 9 | 2 | E | El último humanista | Fernando Espí Forcén | |
| 10 | — |  | A hombros de gigantes | Radio 5 | |
| 11 | 2 | H | Hope. El podcast | RNE Audio | |
| 12 | 3 |  | Curious Cases | BBC Radio 4 | |
| 13 | 6 |  | The Psychology Podcast | iHeartPodcasts | |
| 14 | 17 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 15 | 3 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 16 | 135 | T | Tras la tormenta | Radio Nacional | |
| 17 | 10 | A | Aparici en Órbita | Alberto Aparici | |
| 18 | 4 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 19 | 14 | A | Astronomía y algo más | Ricardo Garcia | |
| 20 | 18 | C | Catástrofe ultravioleta | elDiario.es | |
| 21 | 100 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 22 | 4 | Á | Átomos y Bits | Agencia EFE | |
| 23 | 94 |  | Radiolab | WNYC Studios | |
| 24 | 11 |  | Mentes Covalentes | Clara García y Hugo Quintela | |
| 25 | 5 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 26 | 2 |  | Fallo de sistema | Radio 3 | |
| 27 | 160 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 28 | — | D | De Ignorancia Sí que Sé | Alberto Aparici | |
| 29 | — | E | El Podcast de Phil Hugo | Phil Hugo | |
| 30 | — | C | Ciencia y Saber | Abbcast | |
| 31 | 1 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 32 | — | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 33 | 2 |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 34 | 7 | C | Cienciaes.com | cienciaes.com | |
| 35 | 51 | E | El bosque habitado | Radio 3 | |
| 36 | 8 | C | CardioPODCAST | Sociedad Española de Cardiología | |
| 37 | 13 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 38 | 20 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 39 | 33 | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 40 | 55 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 41 | 25 | L | La Ciencia de A Vivir | Cadena SER | |
| 42 | 70 |  | Sapiens | Radio Nacional | |
| 43 | 26 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 44 | 70 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 45 | 82 |  | The world, the universe and us | New Scientist | |
| 46 | 111 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 47 | 26 | E | El Camarote de Darwin | El Camarote de Darwin | |
| 48 | 92 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 49 | 27 | Á | Ático Primera con Laia Castel | laiascastel | |
| 50 | 93 |  | Discovery | BBC World Service | |
| 51 | 102 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 52 | — |  | Radiowissen | Bayerischer Rundfunk | |
| 53 | 30 |  | Speaking of Psychology | American Psychological Association | |
| 54 | 29 | L | La Terra és plana | Catalunya Ràdio | |
| 55 | 29 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 56 | — | H | Hablando de psicología | Facultad de Psicología-UNED | |
| 57 | — | F | Física y química | Fundación Ramón Areces | |
| 58 | — | P | Principio de Incertidumbre | Canal Extremadura | |
| 59 | — | N | Notas de Naturaleza | Iván Vega | |
| 60 | — |  | Science Magazine Podcast | Science Magazine | |
| 61 | 33 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 62 | — | E | El Método | Luis Quevedo / CUONDA | |
| 63 | — | C | ConCienciaAndo | JOSE MARIA DE TERESA NOGUERAS | |
| 64 | — |  | This Week in Neuroscience | Vincent Racaniello | |
| 65 | — |  | Mind & Life | Mind & Life Institute | |
| 66 | — |  | ScienceStuff | iHeartPodcasts | |
| 67 | — |  | Instant Genius | Our Media | |
| 68 | — | E | Ecocracia | Loupod | |
| 69 | — | I | Initial Conditions: A Physics History Podcast | Niels Bohr Library & Archives | |
| 70 | — | W | Wild Tales | Nature Podcast | National Trust | |
| 71 | — | Т | Так и будет | Техника Речи | |
| 72 | — | F | Frekvenca X | RTVSLO – Prvi | |
| 73 | — | T | The Drug Discovery World Podcast | Drug Discovery World (DDW) | |
| 74 | — | A | Alimoches al habla | Loubé (Lourdes Berzas) & Podcastidae | |
| 75 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 76 | — |  | עושים היסטוריה עם רן לוי Osim Historia With Ran Levi | רשת עושים היסטוריה | |
| 77 | — | P | Podcast NSCA Spain | NSCA Spain | |
| 78 | — | O | Onda Marciana | Podium Podcast | |
| 79 | — | H | Hyde Park Civilizace | Česká televize | |
| 80 | — | B | BAKED in Science | BAKED In Science | |
| 81 | — |  | New Books in Psychoanalysis | Marshall Poe | |
| 82 | — | C | CARDIOSÍNTESIS PODCAST | CARDIOSINTESIS PODCAST | |
| 83 | — |  | Science Rules! with Bill Nye | Stitcher & Bill Nye | |
| 84 | — | L | La Climática | Climática / Rocío Gómez & Eloy de la Haza | |
| 85 | — | P | PsychCrunch | The British Psychological Society Research Digest | |
| 86 | — | E | El Hidrófono | Podcastidae.com | |
| 87 | — | C | Café con Patas con Jon Arraibi - Onda Vasca | Café con Patas - Jon Arraibi | |
| 88 | — | O | omega tau - English only | Markus Voelter, Nora Ludewig | |
| 89 | — | T | The Science of Creativity | Keith Sawyer | |
| 90 | — | A | A Wild Mind | Andrea Bariselli | |
| 91 | 14 | O | Oscilador Armónico | OsciladorArmónico | |
| 92 | 58 | C | Cruce de cables | Radio Nacional | |
| 93 | 54 |  | Das Wissen | SWR | SWR | |
| 94 | 52 |  | Serendipias | SER Podcast | |
| 95 | 59 | C | Clau, quiero ser ingeniera | PODTWIST | |
| 96 | 59 |  | Ologies with Alie Ward | Alie Ward | |
| 97 | 57 | E | El Orbitador | El Orbitador Podcast | |
| 98 | 53 | L | La Ciencia Pop | Gabriel León | |
| 99 | 53 |  | More or Less | BBC Radio 4 | |
| 100 | 24 |  | Arpa Talks | Arpa Talks | |
