| 1 | — |  | Órbita Laika. El podcast | RNE Audio | |
| 2 | — |  | Espacio en blanco | Radio Nacional | |
| 3 | — | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 4 | — | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 5 | 4 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 6 | 1 |  | Materia Oscura | ABC | |
| 7 | 1 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 8 | 3 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 9 | 1 |  | A hombros de gigantes | Radio 5 | |
| 10 | — |  | Serendipias | SER Podcast | |
| 11 | 1 |  | Arpa Talks | Arpa Talks | |
| 12 | 87 | L | Los Barberos | Los Barberos | |
| 13 | 2 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 14 | 3 |  | Heavy Mental | David, Javier y Miki | |
| 15 | 34 |  | Sapiens | Radio Nacional | |
| 16 | 80 |  | Making Sense with Sam Harris | Sam Harris | |
| 17 | 1 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 18 | 3 | O | Oscilador Armónico | OsciladorArmónico | |
| 19 | 5 | Á | Ático Primera con Laia Castel | laiascastel | |
| 20 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 21 | 8 |  | Radiolab | WNYC Studios | |
| 22 | 15 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 23 | 3 |  | Discovery | BBC World Service | |
| 24 | 37 |  | Science Weekly | The Guardian | |
| 25 | 2 | A | Aparici en Órbita | Alberto Aparici | |
| 26 | 12 | L | La Ciencia de A Vivir | Cadena SER | |
| 27 | 44 | E | El Guardabosques WildPodcast | Laura Núñez Bañuls y Fracesco Rovedo | |
| 28 | 6 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 29 | 6 | L | La Terra és plana | Catalunya Ràdio | |
| 30 | 80 |  | TED Talks Science and Medicine | TED | |
| 31 | 145 | N | Notas de Naturaleza | Iván Vega | |
| 32 | 2 | D | Domingo de Ciencia | doctorfision | |
| 33 | 17 |  | Science Vs | Spotify Studios | |
| 34 | 126 |  | Because Language - a podcast about linguistics, the science of language. | Daniel Midgley, Ben Ainslie, and Hedvig Skirgård | |
| 35 | 3 | M | Matemáticas en el mundo | MathNetic | |
| 36 | 14 | C | Catástrofe ultravioleta | elDiario.es | |
| 37 | 9 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 38 | 19 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 39 | 19 | P | Píldoras de Física | Max Alvarez | |
| 40 | 19 | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 41 | 51 |  | Nature Podcast | Springer Nature Limited | |
| 42 | 55 | H | Hablando de psicología | Facultad de Psicología-UNED | |
| 43 | 55 | L | La Senda de las Plantas Perdidas | Aina S. Erice | |
| 44 | 56 |  | Speed & Scale | TED | |
| 45 | 61 |  | Aparici en Órbita | OndaCero | |
| 46 | 65 | A | A Ciencia Cierta | meteolp | |
| 47 | 67 |  | Mentes Covalentes | Clara García y Hugo Quintela | |
| 48 | 91 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 49 | 93 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 50 | 87 | C | CardioPODCAST | Sociedad Española de Cardiología | |
| 51 | 20 | A | Astronomía y algo más | Ricardo Garcia | |
| 52 | 93 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 53 | 94 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 54 | 139 | E | El Orbitador | El Orbitador Podcast | |
| 55 | 15 | C | Cienciaes.com | cienciaes.com | |
| 56 | 31 |  | The Geonomics Podcast | Dr Alex Dickinson | |
| 57 | 31 | B | Blue Talks | IE University | |
| 58 | 138 | L | La Radio del Somormujo | La Radio del Somormujo | |
| 59 | 31 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 60 | 127 | M | MenteScopia, salud mental y neurociencia | Podcastidae.com | |
| 61 | 32 |  | Ologies with Alie Ward | Alie Ward | |
| 62 | — |  | En Clave Rural | esRadio | |
| 63 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 64 | 30 |  | More or Less | BBC Radio 4 | |
| 65 | — |  | PÍLDORAS de BIOTECH | Ysios Capital & Pharma New Talent | |
| 66 | — | T | Tras la tormenta | Radio Nacional | |
| 67 | — |  | I Was Prey | Animal Planet | |
| 68 | 35 | N | NO NI NÁ | Entelekia Filosófik | |
| 69 | 37 |  | TEDTalks Ciencia y Medicina | TED | |
| 70 | — |  | That UFO Podcast | That UFO Podcast | |
| 71 | — | T | Tránsito | Tránsito | |
| 72 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 73 | — | E | Economics In Ten | Economics In Ten | |
| 74 | — | M | Mission Poséidon | France Inter | |
| 75 | — |  | Better Brain Fitness (a Brainjo Production) | Josh Turknett, MD | |
| 76 | — |  | De Universiteit van Nederland Podcast | Universiteit van Nederland | |
| 77 | — | T | The Vet Tech Cafe's Podcast | Vet Tech Cafe | |
| 78 | — | Х | Хвиля йде | Kunsht/Куншт, Наталія Шепель | |
| 79 | — | P | Paléoanthropologie du genre Homo - Jean-Jacques Hublin | Collège de France | |
| 80 | — | A | Agricultura y Ganadería Regenertiva | Victoria Rolón | |
| 81 | — | Q | Quantum Foundations Podcast | Maria Violaris | |
| 82 | — |  | Scientias Podcast | Scientias | |
| 83 | — | T | The Future of Work Podcast | International Labour Organization | |
| 84 | — |  | Need To Know | Bryce Zabel | |
| 85 | — | O | One World, One Health | One Health Trust | |
| 86 | — | S | Sciences chrono | France Culture | |
| 87 | — | E | Experimiento Demente | Scenio | |
| 88 | — |  | Living Planet | DW | |
| 89 | — | М | Мослекторий | Москва 24 | |
| 90 | — | S | Silicon Valley Astronomy Lectures | Silicon Valley Astronomy Lectures | |
| 91 | — | L | Lab Talks | Clustermarket | |
| 92 | — | G | Geopolítica | Cibele Guglielmi | |
| 93 | — | Q | Quarks Storys | Quarks | |
| 94 | 59 | P | Physics | Yale University | |
| 95 | 59 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 96 | 48 | E | Espacio en blanco | Radio Nacional | |
| 97 | 50 | Á | Átomos y Bits | Agencia EFE | |
| 98 | 57 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 99 | 60 | L | La Terre au carré | France Inter | |
| 100 | 58 | C | Conversemos de astronomía | Juan Carlos Beamin | |
