| 1 | 1 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 2 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 3 | — |  | Espacio en blanco | Radio Nacional | |
| 4 | — |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 5 | 2 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 6 | — | A | Antifragil Podcast | Omar Enfedaque & Tribal Uri | |
| 7 | 8 |  | A hombros de gigantes | Radio 5 | |
| 8 | 3 |  | Materia Oscura | ABC | |
| 9 | 1 |  | Sapiens | Radio Nacional | |
| 10 | 6 |  | Órbita Laika. El podcast | RNE Audio | |
| 11 | 56 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 12 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 13 | 4 | C | Catástrofe ultravioleta | elDiario.es | |
| 14 | 19 | L | La Ciencia de A Vivir | Cadena SER | |
| 15 | 45 |  | Arpa Talks | Arpa Talks | |
| 16 | 2 |  | Fallo de sistema | Radio 3 | |
| 17 | 6 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 18 | 141 | A | Aboga&Cia - Tertulia Jurídica - Podcast de Derecho | Ángel Seisdedos | |
| 19 | 42 |  | Serendipias | SER Podcast | |
| 20 | 6 | E | El último humanista | Fernando Espí Forcén | |
| 21 | 4 |  | The Life Scientific | BBC Radio 4 | |
| 22 | 1 |  | Mentes Covalentes | Clara García y Hugo Quintela | |
| 23 | 12 |  | Radiolab | WNYC Studios | |
| 24 | 12 | O | Oscilador Armónico | OsciladorArmónico | |
| 25 | 15 | E | El sueño de Laika | JuanMa Parrondo | |
| 26 | 11 |  | Ciencia y aparte (by Xataka) | Webedia | |
| 27 | 17 | J | Jorge Roig. Fisiología del Ejercicio | Jorge Roig | |
| 28 | 2 |  | All In The Mind | ABC | |
| 29 | 11 | A | Aparici en Órbita | Alberto Aparici | |
| 30 | 20 | H | Hi ha algú, allà fora? | Joan Anton Català | |
| 31 | 14 | H | Hope. El podcast | RNE Audio | |
| 32 | 13 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 33 | 75 |  | More or Less | BBC Radio 4 | |
| 34 | 44 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 35 | 48 |  | BBC Inside Science | BBC Radio 4 | |
| 36 | 14 | A | A Ciencia Cierta | meteolp | |
| 37 | 70 |  | Aparici en Órbita | OndaCero | |
| 38 | 75 |  | Ologies with Alie Ward | Alie Ward | |
| 39 | 81 |  | This Week in Cardiology | Medscape | |
| 40 | 87 |  | Der KI-Podcast | ARD | |
| 41 | 92 | M | Mais lento do que a luz | David Marçal e Carlos Fiolhais | |
| 42 | 113 |  | Unexpected Elements | BBC World Service | |
| 43 | 100 | R | Ruido de lluvia y truenos para dormir | Ruido de lluvia | |
| 44 | 20 | E | El Camarote de Darwin | El Camarote de Darwin | |
| 45 | 104 |  | Palabra Plena, con Gabriel Rolón | Infobae | |
| 46 | 100 | C | Clau, quiero ser ingeniera | PODTWIST | |
| 47 | — | L | La Ciencia Pop | Gabriel León | |
| 48 | 28 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 49 | 20 | Á | Ático Primera con Laia Castel | laiascastel | |
| 50 | 132 | L | La Filoxera. | La Filoxera | |
| 51 | 20 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 52 | — |  | My Bigfoot Sighting | Vic Cundiff | |
| 53 | 139 |  | IQ - Wissenschaft und Forschung | Bayerischer Rundfunk | |
| 54 | — |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 55 | 27 | R | Radio de Supervivencia | David Martinez | |
| 56 | 29 |  | Science Vs | Spotify Studios | |
| 57 | — | T | The Organic Grower Podcast | Organic Growers Alliance | |
| 58 | — | G | Génomique humaine et évolution - Lluis Quintana-Murci | Collège de France | |
| 59 | — | P | Paléoanthropologie du genre Homo - Jean-Jacques Hublin | Collège de France | |
| 60 | — | B | Biología de Tranquis | Nico Palanca | |
| 61 | 12 | S | Solaris | Podium Podcast | |
| 62 | — |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 63 | — |  | The Couples Therapist Couch | Shane Birkel | |
| 64 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 65 | — | S | Stuff To Blow Your Mind (Spanish) | iHeartPodcasts | |
| 66 | — |  | Most Terrifying Places in America | Travel Channel | |
| 67 | — |  | Mariano Sigman: un podcast de sus libros | Penguin Random House Grupo Editorial | |
| 68 | — | B | Biodiversité et écosystèmes (2020-2021) - Chris Bowler | Collège de France | |
| 69 | — |  | Expanded Perspectives | Expanded Perspectives | |
| 70 | — |  | Osterholm Update | CIDRAP | |
| 71 | — | N | Nullius in Verba | Smriti Mehta and Daniël Lakens | |
| 72 | — | A | A Tale of Two Hygienists Podcast | Andrew Johnston, RDH - One of the Two Dental Hygienists | |
| 73 | — | B | Besser Früh als Nie | Fritz Espenlaub & Marc Stöckli | |
| 74 | 2 |  | Heavy Mental | David, Javier y Miki | |
| 75 | 44 | A | Astrobitácora: astronomía con Álex Riveiro | alex_riveiro | |
| 76 | 44 | T | Tras la tormenta | Radio Nacional | |
| 77 | 41 |  | Curious Cases | BBC Radio 4 | |
| 78 | 82 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 79 | 45 | E | El Podcast del Hidrógeno | El Podcast del Hidrógeno | |
| 80 | 45 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 81 | 18 | Á | Átomos y Bits | Agencia EFE | |
| 82 | 107 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 83 | — |  | Radiowissen | Bayerischer Rundfunk | |
| 84 | 46 |  | Science Friday | Science Friday and WNYC Studios | |
| 85 | 46 | 3 | 36.9° ‐ RTS | RTS - Radio Télévision Suisse | |
| 86 | — |  | Ancient Aliens | PodcastOne | |
| 87 | 45 |  | Sasquatch Tracks | Micah Hanks, Dakota Waddell and Jeff Smith | |
| 88 | 47 | C | Curiosidad radical | Podium Podcast | |
| 89 | 44 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 90 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 91 | 48 | A | Astrofísica: Confirmación y Evolución De Las Galaxias | Emir Santiago Gómez Flores | |
| 92 | — | N | Nunca apagues la luz | Luis Ortega | |
| 93 | 37 | T | The Catholic Scientist | The Society of Catholic Scientists | |
| 94 | 48 | R | Robot Talk | Robot Talk | |
| 95 | 48 | K | KI – und jetzt? Wie wir Künstliche Intelligenz leben wollen | rbb & DFKI | |
| 96 | 48 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 97 | — | � | 🇪🇸 Ask Stago (versión en español) | Stago | |
| 98 | 49 | L | Las Galaxias | AURA ROSA HERNANDEZ MORENO | |
| 99 | — |  | Small Steps, Giant Leaps | National Aeronautics and Space Administration (NASA) | |
| 100 | 50 |  | Chemistry Made Simple | Matthew Macariou | |
