| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 3 | 1 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 4 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 5 | — | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 6 | — |  | Materia Oscura | ABC | |
| 7 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 8 | — |  | A hombros de gigantes | Radio 5 | |
| 9 | 1 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 10 | 1 |  | Radiolab | WNYC Studios | |
| 11 | 8 |  | Serendipias | SER Podcast | |
| 12 | 1 | Á | Ático Primera con Laia Castel | laiascastel | |
| 13 | 1 |  | Heavy Mental | David, Javier y Miki | |
| 14 | 10 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 15 | 4 |  | Science Vs | Spotify Studios | |
| 16 | — | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 17 | — | O | Oscilador Armónico | OsciladorArmónico | |
| 18 | 6 | L | La Ciencia de A Vivir | Cadena SER | |
| 19 | 3 | C | Ciencia y genios - Cienciaes.com | cienciaes.com | |
| 20 | 9 | A | Astronomía y algo más | Ricardo Garcia | |
| 21 | 105 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 22 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 23 | 18 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 24 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 25 | 21 |  | Discovery | BBC World Service | |
| 26 | 22 | C | Cruce de cables | Radio Nacional | |
| 27 | 12 |  | You Are Not So Smart | You Are Not So Smart | |
| 28 | 25 | L | La Filoxera. | La Filoxera | |
| 29 | 38 |  | Fallo de sistema | Radio 3 | |
| 30 | 5 | P | Podcasts de Física | fisicapodcasts | |
| 31 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 32 | 1 | A | Astro Podcast | Astro Podcast | |
| 33 | 1 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 34 | — | H | Hablando de psicología | Facultad de Psicología-UNED | |
| 35 | 15 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 36 | 7 | C | Cienciaes.com | cienciaes.com | |
| 37 | 71 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 38 | 15 | A | Aparici en Órbita | Alberto Aparici | |
| 39 | 21 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 40 | — | P | Podcast Radio Skylab | radioskylab_es | |
| 41 | 28 | F | Física a los 40 | Balaguer + Corbi | |
| 42 | 29 |  | Ologies with Alie Ward | Alie Ward | |
| 43 | 7 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 44 | 35 | L | La Terre au carré | France Inter | |
| 45 | 18 |  | Sapiens | Radio Nacional | |
| 46 | 16 | D | Domingo de Ciencia | doctorfision | |
| 47 | 26 | C | Ciencia para leer | CSIC Divulga | |
| 48 | 13 | L | La Terra és plana | Catalunya Ràdio | |
| 49 | 21 |  | BBC Inside Science | BBC Radio 4 | |
| 50 | 62 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 51 | 67 |  | Science Weekly | The Guardian | |
| 52 | 19 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 53 | 67 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 54 | 17 |  | Arpa Talks | Arpa Talks | |
| 55 | 78 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 56 | 95 |  | Settle the Stars: The Science of Space Exploration | Edgeworks Nebula | |
| 57 | 17 | E | El sueño de Laika | JuanMa Parrondo | |
| 58 | 79 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 59 | 99 | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 60 | 102 | P | Píldoras de Física | Max Alvarez | |
| 61 | 103 |  | Science Friday | Science Friday and WNYC Studios | |
| 62 | 24 | Á | Átomos y Bits | Agencia EFE | |
| 63 | 24 |  | Nature Podcast | Springer Nature Limited | |
| 64 | 131 |  | Wissen Weekly | Spotify Studios | |
| 65 | 129 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 66 | 130 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 67 | — | L | La Radio del Somormujo | La Radio del Somormujo | |
| 68 | — |  | The Uptime Wind Energy Podcast | Allen Hall, Rosemary Barnes, Joel Saxum & Phil Totaro | |
| 69 | 27 |  | The Numberphile Podcast | Brady Haran | |
| 70 | — | C | Cerebros sin fronteras. El podcast | RNE Audio | |
| 71 | — | L | La Senda de las Plantas Perdidas | Aina S. Erice | |
| 72 | — |  | Science Will Win | Pfizer | |
| 73 | — |  | Unexplainable | Vox | |
| 74 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 75 | 31 |  | Noosfera | La Razón | |
| 76 | — | S | SERENDIPIA-Divulgación Científica | SERENDIPIA-Divulgación Científica | |
| 77 | — | A | AlgoHumanos | Qwerty Podcast | |
| 78 | — | L | La taberna atómica | Podium Podcast | |
| 79 | — | C | CardioPODCAST | Sociedad Española de Cardiología | |
| 80 | 35 |  | Speaking of Psychology | American Psychological Association | |
| 81 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 82 | 35 | N | Notas de Naturaleza | Iván Vega | |
| 83 | 34 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 84 | — |  | Short Wave | NPR | |
| 85 | 35 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 86 | — | L | Les grandes étapes de la vie | France Inter | |
| 87 | — | P | Planeta MUY | Muy Interesante | |
| 88 | — |  | پادکست آذرخش مکری - azarakhsh mokri | nimac | |
| 89 | — |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 90 | — | N | New Books in Environmental Studies | Marshall Poe | |
| 91 | — | R | Robot Talk | Robot Talk | |
| 92 | — |  | Intelligent Design the Future | Discovery Institute | |
| 93 | — | I | InnovEU: The EU Project Chronicles | Fernando C. Gaspar | |
| 94 | — |  | Orbitals | The American Chemical Society | |
| 95 | — | L | La Suite dans les idées | France Culture | |
| 96 | — |  | Tecnoconocimiento Accesible | Tecnoconocimiento Accesible | |
| 97 | — |  | Ciência Suja | Ciência Suja | |
| 98 | — | I | Investiga que no es poco | Castilla-La Mancha Media | |
| 99 | — | M | Medscape InDiscussion: Colorectal Cancer | Medscape | |
| 100 | — | A | Antropología Social Y Cultural | Candelaria MORENO de OVIEDO | |
