| 1 | — |  | Jefillysh: Ciencia Simplificada | Carolina Jefillysh | |
| 2 | 1 |  | The Rest Is Science | Goalhanger | |
| 3 | 1 |  | Mándarax: ciencia en tu vida diaria | Sonoro | Leos y Alita | |
| 4 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 5 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 10 |  | Unexplainable | Vox | |
| 7 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 8 | 1 | M | Masaje Cerebral | Claudio H. Martínez y Andrés Cota H. | |
| 9 | 14 |  | Science Friday | Science Friday and WNYC Studios | |
| 10 | 5 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 11 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 12 | 29 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 13 | 12 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 14 | 2 |  | Radiolab | WNYC Studios | |
| 15 | 9 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 16 | 78 |  | Nature Podcast | Springer Nature Limited | |
| 17 | 8 |  | Short Wave | NPR | |
| 18 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 19 | 2 | L | La Ciencia Pop | Gabriel León | |
| 20 | 165 |  | Curious Cases | BBC Radio 4 | |
| 21 | 74 | E | El sueño de Laika | JuanMa Parrondo | |
| 21 | — |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 22 | 154 |  | The Life Scientific | BBC Radio 4 | |
| 23 | 10 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 24 | — | L | La Terra és plana | Catalunya Ràdio | |
| 25 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 26 | — | P | Podcast Ladera Sur - Inspirados por la Naturaleza | Ladera Sur | |
| 27 | — | M | Mushroom Revival Podcast | Alex Dorr | |
| 28 | 14 | H | Háblame de Ciencia | Universidad de Guadalajara | |
| 29 | 28 | ¿ | ¿Y si todo esto es mentira? | Vero Teigeiro | |
| 30 | 3 |  | A hombros de gigantes | Radio 5 | |
| 31 | 112 | A | Animales Asombrosos | HUGO.FM | |
| 32 | 19 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 33 | 22 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 34 | 10 |  | 30 Minutos de Salud | Dr. Pepe Bandera | |
| 35 | 40 |  | Species | mackenmurphy.org | |
| 36 | 12 |  | Science Vs | Spotify Studios | |
| 37 | 75 | Á | Ático Primera con Laia Castel | laiascastel | |
| 38 | — |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 39 | 70 |  | Speaking of Psychology | American Psychological Association | |
| 40 | 25 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 41 | 22 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 42 | 115 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 43 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 44 | 24 |  | Planet Em | Emily McDonald | |
| 45 | — |  | Big Brains | University of Chicago Podcast Network | |
| 46 | 99 | N | Naruhodo | B9, Naruhodo, Ken Fujioka, Altay de Souza | |
| 47 | 83 |  | Science with Sabine | Sabine Hossenfelder | |
| 48 | — |  | This Week in Virology | Vincent Racaniello | |
| 49 | 27 |  | Making Sense with Sam Harris | Sam Harris | |
| 49 | — | S | Súper Interesante | Súper Interesante Grandes Documentales | |
| 50 | — |  | Immune | Vincent Racaniello | |
| 51 | — |  | Completely Arbortrary | Completely Arbortrary | |
| 52 | 110 |  | Sapiens | Radio Nacional | |
| 53 | — |  | This Week in Microbiology | Vincent Racaniello | |
| 54 | 36 |  | Espacio en blanco | Radio Nacional | |
| 55 | 31 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 56 | 11 | E | El Explicador con Enrique Gánem | El Explicador de Enrique Gánem | |
| 57 | 14 |  | Materia Oscura | ABC | |
| 58 | 32 |  | TED Talks Science and Medicine | TED | |
| 59 | 20 | D | Desastre | Nico Sastré | |
| 60 | 31 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 61 | 33 | E | El Podcast de Eduardo Osegueda | Fuerza Integral | |
| 62 | 16 | E | El Explicador Sitio Oficial | Enrique Ganem Sitio Oficial | |
| 63 | 34 | B | Boring History for Sleep | Velvet | |
| 64 | 10 |  | More or Less | BBC Radio 4 | |
| 65 | 35 | D | Descubriendo los Astros | Míriam | |
| 66 | 44 | C | Choses à Savoir SCIENCES | Choses à Savoir | |
| 67 | 91 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 68 | 31 | E | El universo y sus misterios | Física 64 | |
| 69 | 19 | B | Bacteriófagos | Carmela García Doval | |
| 70 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 71 | 35 | C | Carnets de santé | France Culture | |
| 72 | 38 | T | Trás los pasos de Santa Hildegarda de Bingen | JuanDiegoNetwork.com | |
| 73 | 41 |  | The Joy of x | Steven Strogatz and Quanta Magazine | |
| 74 | 43 |  | The Threshold | Foreign Policy | |
| 75 | 37 |  | Mentes Covalentes | Clara García y Hugo Quintela | |
| 76 | 36 | R | Re by aosenuma | aosenuma | |
| 77 | 42 | E | El Retorno de Saturno | Imelda 'Lunalien' Vera | |
| 78 | 28 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 79 | 32 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 80 | 97 | P | Principio de Incertidumbre | Canal Extremadura | |
| 81 | 89 | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 82 | 22 |  | La Science, CQFD | France Culture | |
| 83 | 50 | E | Entre Nefros | Entre Nefros | |
| 84 | 57 |  | Universe Today Podcast | Fraser Cain | |
| 85 | 24 | C | Cienciaes.com | cienciaes.com | |
| 86 | 40 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 87 | — |  | Lost Women of Science | Lost Women of Science | |
| 88 | 35 | M | MicroTalks: Conversaciones con los expertos más allá de la microbiología | bioMérieux | |
| 89 | — | A | Aparici en Órbita | Alberto Aparici | |
| 89 | 34 | D | DinoBusters: Cazadores de Dinos | Pakozoico | |
| 90 | 39 |  | Unexpected Elements | BBC World Service | |
| 91 | 29 |  | Babbage from The Economist | The Economist | |
| 92 | — |  | Les Contes des mille et une sciences | France Culture | |
| 92 | 19 | B | Bajo las estrellas, una mirada al universo | joseluis | |
| 93 | 41 |  | This Week in Neuroscience | Vincent Racaniello | |
| 94 | 40 |  | Discovery | BBC World Service | |
| 95 | 36 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 96 | 38 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
