| 1 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 2 | 1 |  | Curious Cases | BBC Radio 4 | |
| 3 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 4 | 4 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 5 | 5 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 4 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 8 | 3 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 9 | 2 |  | Overheard at National Geographic | National Geographic | |
| 10 | 1 |  | Science Weekly | The Guardian | |
| 11 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 12 | 8 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 13 | 27 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 14 | 47 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 15 | 44 |  | More or Less | BBC Radio 4 | |
| 16 | 182 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 17 | 41 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 18 | 5 |  | Science Vs | Spotify Studios | |
| 19 | 7 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 20 | 164 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 21 | 4 |  | Radiolab | WNYC Studios | |
| 22 | 9 |  | Short Wave | NPR | |
| 23 | 39 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 24 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 25 | 50 |  | The Climate Question | BBC World Service | |
| 26 | 7 | S | SOA Podcasts - Society of Actuaries | Society of Actuaries (SOA) | |
| 27 | 117 |  | The Life Scientific | BBC Radio 4 | |
| 28 | 13 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 29 | 11 | N | Naturefile | RTÉ lyric fm | |
| 30 | 74 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 31 | 115 |  | Science Talk | Scientific American | |
| 32 | 98 |  | Unexplainable | Vox | |
| 33 | 17 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 34 | 17 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 35 | 15 |  | Robinson's Podcast | Robinson Erhardt | |
| 36 | — |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 37 | 14 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 38 | — |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 39 | 135 |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 40 | 135 | T | THRIVING MINDS PODCAST | Professor Selena Bartlett, Neuroscientist, Brain Health is Everyone's Business | |
| 41 | 19 |  | Science In Action | BBC World Service | |
| 42 | 12 |  | BBC Inside Science | BBC Radio 4 | |
| 43 | — | C | Clinically Thinking | Clinically Thinking | |
| 44 | — | N | New Books in Political Science | New Books Network | |
| 45 | — |  | EVSN: Escape Velocity Space News | Dr. Pamela Gay, Erik Madaus, Ally Pelphrey | |
| 46 | — |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 47 | — | R | Real Zero | Daniel Grant & Hugh Montgomery | |
| 48 | — |  | SuperHumanizer Podcast | Dr. Hani Chaabo & Katie Bogen M.A. | |
| 49 | — | I | Irish Wildlife Trust | Irish Wildlife Trust | |
| 50 | 26 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 51 | 30 |  | The world, the universe and us | New Scientist | |
| 52 | 25 |  | Science Friday | Science Friday and WNYC Studios | |
| 53 | 20 | C | CountryWide | RTÉ Radio 1 | |
| 54 | 18 |  | The Michael Shermer Show | Michael Shermer | |
| 55 | 27 |  | Speaking of Psychology | American Psychological Association | |
| 56 | — | O | Open Country | BBC Radio 4 | |
| 57 | 31 |  | When Science Finds a Way | Wellcome | |
| 58 | 13 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 59 | 25 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 60 | 6 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 61 | 26 |  | The Psychology Podcast | iHeartPodcasts | |
| 62 | 23 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 63 | 19 |  | CrowdScience | BBC World Service | |
| 64 | 32 | F | Feet on the Soil | Soil Boy | |
| 65 | 8 |  | Astrum Space | Astrum | |
| 66 | 32 |  | Crossing The River | More Than Human Life (MOTH) | |
| 67 | 97 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 68 | 25 |  | Ask a Spaceman! | Paul M. Sutter | |
| 69 | 32 | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 70 | 24 |  | Beat Your Genes Podcast | BeatYourGenes | |
| 71 | 33 |  | Drilled | Pushkin Industries | |
| 72 | 24 |  | La Science, CQFD | France Culture | |
| 73 | 4 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 74 | 32 |  | Jung Chicago Radio | C. G. Jung Institute of Chicago | |
| 75 | 34 |  | Green Dreamer: Seeding change towards collective healing, sustainability, regeneration | kaméa chayne | |
| 76 | 32 |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 77 | 30 |  | Hard Truths | Ashton Forbes | |
| 78 | 29 | P | Pod of Orcas | SeaDoc Society | |
| 79 | 17 |  | Discovery | BBC World Service | |
| 80 | 30 |  | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 81 | 30 | T | The Qualitative Open Mic | quahrc | |
| 82 | 30 | К | КритМышь | Александр Головин | |
| 83 | 30 | V | Vet Voices On Air | Veterinary Voices UK | |
| 84 | 30 |  | Prince of Whales PODcast | Prince of Whales | |
| 85 | 30 |  | THE OL PEJETA POD | The Ol Pejeta Pod | |
| 86 | 19 | I | In Your Nature | By BirdWatch Ireland | |
| 87 | 27 | L | Love The Bees Podcast | Yvonne Johnston | |
| 88 | 24 | S | Sci Guys | The Sci Guys | |
| 89 | 26 |  | Outside/In | NHPR | |
| 90 | 48 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 91 | 23 |  | The 365 Days of Astronomy | 365DaysOfAstronomy.org | |
| 92 | 27 |  | Naturebang | BBC Radio 4 | |
| 93 | 5 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 94 | 94 |  | Nature Podcast | Springer Nature Limited | |
| 95 | 22 |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 96 | 24 |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 97 | 27 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 98 | 27 |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 99 | 37 |  | That UFO Podcast | That UFO Podcast | |
| 100 | 26 | L | La fabrique du savoir | Le Monde | |
