| 1 | 5 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 2 | 1 |  | Materia Oscura | ABC | |
| 3 | 1 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 4 | 1 |  | Órbita Laika. El podcast | RNE Audio | |
| 5 | 4 |  | Espacio en blanco | Radio Nacional | |
| 6 | 2 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 7 | — |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 8 | 1 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 9 | 2 | Á | Ático Primera con Laia Castel | laiascastel | |
| 10 | 2 |  | A hombros de gigantes | Radio 5 | |
| 11 | 1 | L | La Ciencia de A Vivir | Cadena SER | |
| 12 | 7 |  | Making Sense with Sam Harris | Sam Harris | |
| 13 | — |  | BBC Inside Science | BBC Radio 4 | |
| 14 | 2 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 15 | 37 | A | Aparici en Órbita | Alberto Aparici | |
| 16 | 1 |  | Discovery | BBC World Service | |
| 17 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 18 | 4 |  | Serendipias | SER Podcast | |
| 19 | 2 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 20 | 5 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 21 | 7 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 22 | 7 |  | Radiolab | WNYC Studios | |
| 23 | 5 | E | El bosque habitado | Radio 3 | |
| 24 | 8 | C | Cienciaes.com | cienciaes.com | |
| 25 | 10 | A | Astronomía y algo más | Ricardo Garcia | |
| 26 | 15 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 27 | 27 | O | Oscilador Armónico | OsciladorArmónico | |
| 28 | 164 | A | AlgoHumanos | Qwerty Podcast | |
| 29 | 26 |  | The Quanta Podcast | Quanta Magazine | |
| 30 | 37 |  | Sapiens | Radio Nacional | |
| 31 | 11 |  | The Life Scientific | BBC Radio 4 | |
| 32 | 63 | C | Cruce de cables | Radio Nacional | |
| 33 | 10 |  | Science Weekly | The Guardian | |
| 34 | 4 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 35 | 11 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 36 | 10 |  | Ologies with Alie Ward | Alie Ward | |
| 37 | 73 |  | Почему мы еще живы | libo/libo | |
| 38 | 13 | L | La Terra és plana | Catalunya Ràdio | |
| 39 | 12 |  | Speaking of Psychology | American Psychological Association | |
| 40 | 110 |  | More or Less | BBC Radio 4 | |
| 41 | 106 | B | Bacteriófagos | Carmela García Doval | |
| 42 | 117 | E | El Orbitador | El Orbitador Podcast | |
| 43 | 122 |  | The Michael Shermer Show | Michael Shermer | |
| 44 | 13 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 45 | 139 | L | La Ciencia Pop | Gabriel León | |
| 46 | 14 |  | The Psychology Podcast | iHeartPodcasts | |
| 47 | 115 | L | La Senda de las Plantas Perdidas | Aina S. Erice | |
| 48 | 116 |  | This Week in Microbiology | Vincent Racaniello | |
| 49 | 15 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 50 | 17 | E | El último humanista | Fernando Espí Forcén | |
| 51 | 15 |  | Science Vs | Spotify Studios | |
| 52 | 15 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 53 | 110 | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 54 | 136 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 55 | 17 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 56 | — | A | Ajustes Creativos | Instituto Humanista de Psicoterapia Gestalt | |
| 57 | — |  | Biotecnología al día | biotechaldia | |
| 58 | — | B | Biología de Tranquis | Nico Palanca | |
| 59 | 20 |  | The world, the universe and us | New Scientist | |
| 60 | — | Б | Буде тобі наука | Kunsht/Куншт | |
| 61 | 18 |  | Heavy Mental | David, Javier y Miki | |
| 62 | 22 | E | El universo y sus misterios | Física 64 | |
| 63 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 64 | — |  | Science In Action | BBC World Service | |
| 65 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 66 | — |  | All In The Mind | ABC | |
| 67 | 25 |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 68 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 69 | 25 | O | Obsesión por el Cielo | Pedro Valdés Sada | |
| 70 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 71 | — |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 72 | — |  | Quirks and Quarks | CBC | |
| 73 | — |  | The Science of Birds | Ivan Phillipsen | |
| 74 | — |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 75 | — | T | The Science of Personality Podcast | Hogan Assessments | |
| 76 | — |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 77 | — |  | Choses à Savoir CERVEAU | Choses à Savoir | |
| 78 | — | E | ECDC: On Air | European Centre for Disease Prevention and Control | |
| 79 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 80 | — | C | CASIO Pódcast | CASIO División Educativa | |
| 81 | — |  | This Week in Neuroscience | Vincent Racaniello | |
| 82 | — | C | Ciencia o Ficción | Ángel Rodríguez, Fernando Soldevila, Ray García, Tomás Hussing y Antonio Jiménez | |
| 83 | — | P | Planeta MUY | Muy Interesante | |
| 84 | — | O | Oil & Gas Journal ReEnterprised | Endeavor Business Media | |
| 85 | — | F | Fragmentos de etnobotánica, por un no-botánico | Joa Rajadel | |
| 86 | — |  | Daniel and Jorge Explain the Universe | iHeartPodcasts | |
| 87 | — | N | Neurosapiens | Neurosapiens | |
| 88 | — | P | Physical Activity Researcher | paresearcher | |
| 89 | — | B | Blood Bank Guy Videos | Joe Chaffin, MD | |
| 90 | — | T | The Aerospace Show | The Aerospace Show | |
| 91 | — | L | La Ciencia de lo Singular | Hospital Sant Joan de Déu | |
| 92 | — |  | Why We Mine | Teck Resources | |
| 93 | 48 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 94 | 48 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 95 | 48 |  | Overheard at National Geographic | National Geographic | |
| 96 | 48 | N | Neuronas Curiosas | Pablo Donis | |
| 97 | 48 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 98 | 47 | C | CardioPODCAST | Sociedad Española de Cardiología | |
| 99 | 49 | S | Saber de física y química | Maria Roel | |
| 100 | 47 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
