| 1 | — |  | Jefillysh: Ciencia Simplificada | Carolina Jefillysh | |
| 2 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 2 |  | Radiolab | WNYC Studios | |
| 5 | — |  | The Rest Is Science | Goalhanger | |
| 6 | 2 |  | Mándarax: ciencia en tu vida diaria | Sonoro | Leos y Alita | |
| 7 | 1 |  | Science Vs | Spotify Studios | |
| 8 | 4 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 9 | 14 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 10 | 5 |  | Universo curioso de la NASA | National Aeronautics and Space Administration (NASA) | |
| 11 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 12 | 19 | E | El universo y sus misterios | Física 64 | |
| 13 | 3 | L | La Ciencia Pop | Gabriel León | |
| 14 | 4 |  | Unexplainable | Vox | |
| 15 | 83 |  | Materia Oscura | ABC | |
| 16 | 7 |  | Ologies with Alie Ward | Alie Ward | |
| 17 | 3 |  | The Michael Shermer Show | Michael Shermer | |
| 18 | 83 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 19 | 3 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 20 | 46 |  | The Quanta Podcast | Quanta Magazine | |
| 21 | 119 |  | Science Magazine Podcast | Science Magazine | |
| 22 | 11 | U | Ulises y la Ciencia - Cienciaes.com | cienciaes.com | |
| 23 | 10 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 24 | 81 | A | Astrum Español | Rafael Gonzalez Alen | |
| 25 | 19 |  | Espacio en blanco | Radio Nacional | |
| 26 | 115 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 27 | 1 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 28 | 140 | Q | Quilo de Ciencia - Cienciaes.com | Jorge Laborda | |
| 29 | — |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 30 | 95 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 31 | — | T | The Language Neuroscience Podcast | Stephen M. Wilson | |
| 32 | 14 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 33 | 105 | E | El Explicador con Enrique Gánem | El Explicador de Enrique Gánem | |
| 34 | 11 |  | Science Friday | Science Friday and WNYC Studios | |
| 35 | — | C | Cierta Ciencia - Cienciaes.com | Josefina Cano | |
| 36 | — |  | Plastic Plesiosaur Podcast | Miles Greb | |
| 37 | 18 |  | Nature Podcast | Springer Nature Limited | |
| 38 | — |  | Two Guys on Your Head | KUT & KUTX Studios, Dr. Art Markman & Dr. Bob Duke | |
| 39 | — | L | LA TOGA | INCAM OCCIDENTE | |
| 40 | 19 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 41 | 24 | C | Cienciaes.com | cienciaes.com | |
| 42 | 125 |  | Extraterrestrial | Parcast Network | |
| 43 | 23 | S | Sociología y Algoritmos | Joaco Chervero | |
| 44 | 5 | E | El Explicador Sitio Oficial | Enrique Ganem Sitio Oficial | |
| 45 | 21 |  | Accidental Gods | Accidental Gods | |
| 46 | 21 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 47 | 22 | E | El Banquillo de los Acusados | Mauricio Cárdenas | |
| 48 | 21 |  | Ancient Aliens | PodcastOne | |
| 49 | 23 |  | The Medbullets Step 1 Podcast | Medbullets | |
| 50 | 18 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 51 | 10 |  | BBC Inside Science | BBC Radio 4 | |
| 52 | 1 | I | Investigando la investigación | Horacio Pérez-Sánchez | |
| 53 | 20 | T | The Engineering Passion Express | Brandon Donnelly | |
| 54 | 25 | V | Vamos tarde | Lxs malitxs | |
| 55 | 25 |  | ZEIT WISSEN. Woher weißt Du das? | DIE ZEIT | |
| 56 | 15 |  | Babbage from The Economist | The Economist | |
| 57 | 23 | B | Boring History for Sleep | Velvet | |
| 58 | 23 | I | Infusión con Duendes y Hadas | La Magia de las Plantas | |
| 59 | 23 | A | AgTech Digest | AgTech Media Group | |
| 60 | 23 | D | Der Rechtsstaat | Kontrafunk | |
| 61 | 19 | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 62 | 22 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 63 | 1 |  | Short Wave | NPR | |
| 64 | 26 | M | Masaje Cerebral | Claudio H. Martínez y Andrés Cota H. | |
| 65 | 19 | A | Astronomía y algo más | Ricardo Garcia | |
| 66 | 18 | ¿ | ¿Y si todo esto es mentira? | Vero Teigeiro | |
| 67 | 21 |  | A hombros de gigantes | Radio 5 | |
| 68 | 21 | H | Historias Para Mentes Curiosas | Tec Sounds Podcasts | Tec de Monterrey | |
| 69 | 26 | N | National Geographic en Español | Aftersight | |
| 70 | 10 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 71 | 22 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 72 | 19 | P | plead - last man standing (forsaken ost) | rainn | |
| 73 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 74 | 11 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 75 | 25 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 76 | — |  | Sternengeschichten | Florian Freistetter | |
| 77 | 25 | S | Sound Healing / Sound Bath | Omandala Vietnam | |
| 78 | 24 | T | The Complete History of Science | Gethin Richards | |
| 79 | 24 |  | The Operative Word | The American College of Surgeons | |
| 80 | 24 | W | Wissenschaft im Brennpunkt | Deutschlandfunk | |
| 81 | 24 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 82 | 24 | B | BE:CURIOUS – A Podcast by the Oxford/Berlin Research Partnership | Berlin University Alliance | |
| 83 | 24 |  | Taboo Science | Ashley Hamer Pritchard | |
| 84 | 20 | E | Entre Nefros | Entre Nefros | |
| 85 | 4 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 86 | 6 |  | Ask a Spaceman! | Paul M. Sutter | |
| 87 | 42 |  | Unexpected Elements | BBC World Service | |
| 88 | 7 |  | More or Less | BBC Radio 4 | |
| 89 | 24 | S | Strange New Worlds: A Science & Star Trek Podcast | Michael L. Wong | |
| 90 | 8 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 91 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 92 | 15 | E | Esta ronda la paga Newton | Ruth Lazkoz | |
| 93 | 24 |  | TED Talks Science and Medicine | TED | |
| 94 | 23 |  | Let's Talk ID | Infectious Diseases Society of America (IDSA) | |
| 95 | 25 | B | Biología Celular | Onda Electromagnética | |
| 96 | 2 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 97 | 24 |  | Overheard at National Geographic | National Geographic | |
| 98 | 26 | C | Conversemos de astronomía | Juan Carlos Beamin | |
| 99 | 16 | C | Conversaciones Cuánticas por Jorge Ramos | Jorge Ramos | |
| 100 | 3 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
