| 1 | — |  | Espacio en blanco | Radio Nacional | |
| 2 | 1 | M | Muy Interesante - Grandes Reportajes | Zinet Media | |
| 3 | 1 | P | Podcast de Juan Ramón Rallo | Juan Ramón Rallo | |
| 4 | 3 | V | Vida Eterna. Respuestas desde la Ciencia | Dr. Manuel Sans Segarra | Dr. Manuel Sans Segarra | |
| 5 | 1 |  | Órbita Laika. El podcast | RNE Audio | |
| 6 | 2 |  | Materia Oscura | ABC | |
| 7 | 2 |  | Mindfacts: Historia y futuro de la Ciencia y la Tecnología | Yes We Cast | |
| 8 | 2 |  | Coffee Break: Señal y Ruido | Coffee Break: Señal y Ruido | |
| 9 | — | L | La Ciencia de A Vivir | Cadena SER | |
| 10 | — |  | A hombros de gigantes | Radio 5 | |
| 11 | 6 | Á | Ático Primera con Laia Castel | laiascastel | |
| 12 | — |  | Heavy Mental | David, Javier y Miki | |
| 13 | 5 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 14 | 3 |  | Sapiens | Radio Nacional | |
| 15 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 16 | 1 | H | Hablando con Científicos - Cienciaes.com | cienciaes.com | |
| 17 | 9 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 18 | 3 |  | Serendipias | SER Podcast | |
| 19 | 13 | C | Cruce de cables | Radio Nacional | |
| 20 | 6 | Á | Átomos y Bits | Agencia EFE | |
| 21 | 5 | E | El último humanista | Fernando Espí Forcén | |
| 22 | 7 |  | Arpa Talks | Arpa Talks | |
| 23 | 3 | F | Filosofía, Psicología, Historias | Hernán Melana | |
| 24 | 1 | A | Aparici en Órbita | Alberto Aparici | |
| 25 | 2 | A | Astronomía y algo más | Ricardo Garcia | |
| 26 | 2 |  | Fallo de sistema | Radio 3 | |
| 27 | 8 | U | Un Humano por Persona | Tamara Pazos Cordal | |
| 28 | 2 |  | Голый землекоп | libo/libo | |
| 29 | 111 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 30 | 8 |  | Radiolab | WNYC Studios | |
| 31 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 32 | — |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 33 | 4 | M | Master Class con Juan Luis Arsuaga | OndaCero | |
| 34 | 9 |  | Unexplainable | Vox | |
| 35 | 7 | L | La Esfera Celeste Astronomía | Pep Campàs | |
| 36 | 10 | N | National Geographic en Español | Aftersight | |
| 37 | 15 | L | Los Barberos | Los Barberos | |
| 38 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 39 | 23 | L | La Terra és plana | Catalunya Ràdio | |
| 40 | 9 | D | Domingo de Ciencia | doctorfision | |
| 41 | 14 |  | Overheard at National Geographic | National Geographic | |
| 42 | 17 |  | TED Talks Science and Medicine | TED | |
| 43 | 15 |  | BBC Inside Science | BBC Radio 4 | |
| 44 | 19 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 45 | 60 | E | El sueño de Laika | JuanMa Parrondo | |
| 46 | 29 | A | ASMR | ASMR | |
| 47 | 55 |  | Das Wissen | SWR | SWR | |
| 48 | 48 | A | Aboga&Cia - Tertulia Jurídica - Podcast de Derecho | Ángel Seisdedos | |
| 49 | 54 |  | Science Vs | Spotify Studios | |
| 50 | 65 |  | Science Weekly | The Guardian | |
| 51 | 68 | L | La Ciencia Pop | Gabriel León | |
| 52 | 18 | L | La Brújula de la Ciencia | Alberto Aparici | |
| 53 | 73 |  | Speed & Scale | TED | |
| 54 | 21 | C | Cienciaes.com | cienciaes.com | |
| 55 | 110 | J | Jodisea Mundo Odiseas Documentales Podcast para dormir en Español Audio Libros Historia Niños+Adulto | Orbinea Studio | |
| 56 | 21 | O | Oscilador Armónico | OsciladorArmónico | |
| 57 | 101 | L | La Radio del Somormujo | La Radio del Somormujo | |
| 58 | 22 | E | El Orbitador | El Orbitador Podcast | |
| 59 | 132 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 60 | 50 | C | Ciencia Nuestra de cada Día - Cienciaes.com | Ángel Rodríguez Lozano | |
| 61 | — | P | PARSEC | Javier Atapuerca, Matías S. Zavia | |
| 62 | 133 | 3 | 3 Chanchitos | Almar | |
| 63 | — |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 64 | — |  | DNA Today: A Genetics Podcast | Kira Dineen | |
| 65 | — | L | La aventura de la vida | Félix Rodriguez de la Fuente | |
| 66 | — |  | Brain Science with Ginger Campbell, MD: Neuroscience for Everyone | Ginger Campbell, MD | |
| 67 | 29 |  | Curious Cases | BBC Radio 4 | |
| 68 | — |  | Productividad y Desarrollo Personal by ProducTIPS | Ismael Martín & Efraín Altaber | |
| 69 | — |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 70 | — | 5 | 5.0 | Radio 5 | |
| 71 | — |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 72 | — | C | Conferencias de astronomía, ciencia y actualidad | Ciutat de les Arts i les CIències | |
| 73 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 74 | — | U | Urbanismo y Vivienda | Javier de la Torre | |
| 75 | 34 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 76 | — | S | Sixième Science | 20 Minutes | |
| 77 | — |  | پادکست آذرخش مکری - azarakhsh mokri | nimac | |
| 78 | — | T | The Sociology Show | Matthew Wilkin | |
| 79 | — |  | Radio Naukowe | Radio Naukowe - Karolina Głowacka | |
| 80 | — | A | Astroacademy | Astroacademy | |
| 81 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 82 | — | C | Curiosidades de la ciencia | Kitaro la vida es ciencia | |
| 83 | — |  | Geology Bites | Oliver Strimpel | |
| 84 | — |  | Deep Dive: MH370, Remastered | Jeff Wise | |
| 85 | — |  | Historien om alt | Podimo | |
| 86 | — |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 87 | — | F | Fricção Científica | Antena3 - RTP | |
| 88 | — |  | Psychedelics Today | Psychedelics Today | |
| 89 | — | P | PRS Journal Club | Plastic and Reconstructive Surgery | |
| 90 | — | L | Los Conspiranoicos | zinefago | |
| 91 | — |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 92 | — |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 93 | — | N | Nauka To Lubię | Tomasz Rożek | |
| 94 | — |  | Mind & Matter | Nick Jikomes | |
| 95 | — | R | Revolución rusa (sus causas principales) | Eric Santiago Vela | |
| 96 | — | L | La canica azul | Podium Podcast | |
| 97 | — |  | Entrevistas National Geographic | National Geographic España | |
| 98 | — | V | Voces11F | 11defebrero | |
| 99 | — | À | À l'écoute de la science | POUR LA SCIENCE | |
| 100 | — |  | Slow Radio | BBC Radio 3 | |
