| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 1 | B | Boring History for Sleep | Velvet | |
| 5 | 5 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 6 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 1 |  | Radiolab | WNYC Studios | |
| 8 | 4 |  | Science Weekly | The Guardian | |
| 9 | 3 |  | Curious Cases | BBC Radio 4 | |
| 10 | 14 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 11 | 8 |  | All In The Mind | ABC | |
| 12 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 13 | 4 | E | ESO Voice of Stroke | European Stroke Organisation | |
| 14 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 15 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 16 | 7 |  | Get Birding | Peanut & Crumb | |
| 17 | 4 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 18 | 7 |  | Science Vs | Spotify Studios | |
| 19 | 3 |  | Babbage from The Economist | The Economist | |
| 20 | 50 |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 21 | 4 |  | Unexplainable | Vox | |
| 22 | 10 |  | Drilled | Pushkin Industries | |
| 23 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 24 | 85 |  | Ask a Spaceman! | Paul M. Sutter | |
| 25 | 1 | P | Pharma Conversations Podcast | Pharma Conversations Podcast | |
| 26 | 5 |  | Overheard at National Geographic | National Geographic | |
| 27 | 10 | L | Learn Traditional Chinese Medicine, Functional Medicine and any kinds of Alternative Medicine | Shiho Cierra Fujimaru | |
| 28 | 9 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 29 | 11 |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 30 | — | B | Blue Zones: Revisited | Revisited | |
| 31 | — | M | Materia absurda | Onda Cero Podcast | |
| 32 | — | E | Esto no ha pasado | Onda Cero Podcast | |
| 33 | 11 |  | Science Friday | Science Friday and WNYC Studios | |
| 34 | 28 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 35 | 4 |  | Discovery | BBC World Service | |
| 36 | 16 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 37 | 13 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 38 | 11 |  | Astrum Space | Astrum | |
| 39 | 10 | I | In Your Nature | By BirdWatch Ireland | |
| 40 | 28 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 41 | 14 |  | More or Less | BBC Radio 4 | |
| 42 | 20 |  | The Cognition Project | Tom Griffiths | |
| 43 | 10 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 44 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 45 | 4 |  | The Plodcast | Our Media | |
| 46 | 17 |  | Ancient Aliens | PodcastOne | |
| 47 | 19 |  | Short Wave | NPR | |
| 48 | 20 | W | Wild Tales | Nature Podcast | National Trust | |
| 49 | 9 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 50 | 18 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 51 | 21 | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 52 | 21 |  | Science Quickly | Scientific American | |
| 53 | 18 | T | The Physio Matters Podcast | Jack Chew | |
| 54 | 20 | F | Food Forest Podcast | Food Forest Institute | |
| 55 | 19 | B | Behaviour Speak with Ben Reiman | Ben Reiman | |
| 56 | 10 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 57 | 4 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 58 | — |  | Better Brain Fitness (a Brainjo Production) | Josh Turknett, MD | |
| 59 | 45 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 60 | 41 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 61 | 8 |  | The Life Scientific | BBC Radio 4 | |
| 62 | 13 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 63 | 71 |  | Backwoods Bigfoot Stories | Backwoods Bigfoot Stories-Bigfoot Encounters | |
| 64 | 76 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 65 | 23 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 66 | 37 | N | Naturefile | RTÉ lyric fm | |
| 67 | 69 |  | Somewhere in the Skies | SpectreVision Radio | |
| 68 | 8 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 69 | 107 |  | This Week in Cardiology | Medscape | |
| 70 | 51 |  | Instant Genius | Our Media | |
| 71 | 28 | E | Elements | BBC World Service | |
| 72 | 28 |  | That UFO Podcast | That UFO Podcast | |
| 73 | 28 |  | Universe Today Podcast | Fraser Cain | |
| 74 | 53 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 75 | 24 |  | The world, the universe and us | New Scientist | |
| 76 | 20 | T | The Climate Ambassador Podcast | The Climate Ambassador Podcast | |
| 77 | 22 | T | The Human Risk Podcast | Human Risk | |
| 78 | 23 | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 79 | 40 |  | The Science of Everything Podcast | James Fodor | |
| 80 | 22 | Ά | Άκου την επιστήμη | LIFO PODCASTS, Γιάννης Πανταζόπουλος | |
| 81 | 22 |  | How to Save It | Whitley Fund for Nature | |
| 82 | 21 |  | The Market Gardener Podcast | JM Fortier | |
| 83 | 23 |  | Nature Unheard | The EBRD | |
| 84 | 44 |  | Leaked | TFLabs | |
| 85 | 44 | W | Wissenschaft im Brennpunkt | Deutschlandfunk | |
| 86 | 22 |  | StarTalk Podcast | StarTalk Podcast | |
| 87 | 14 | P | Predictably Good from Creme Global | CremeGlobal.com | |
| 88 | 46 | T | The Visible Art of Translation | The INCREC project | |
| 89 | 22 | T | TMiP Podcast | Talking Maths in Public | |
| 90 | 47 | W | World Bank Group │ What Have We Learned? The Evaluation Podcast | World Bank Group / Independent Evaluation Group | |
| 91 | 75 |  | Nature Podcast | Springer Nature Limited | |
| 92 | 45 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 93 | 39 |  | Speaking of Psychology | American Psychological Association | |
| 94 | 29 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 95 | 32 |  | Bigfoot Society | Jeremiah Byron | |
| 96 | — | F | Farming Today | BBC Radio 4 | |
| 97 | 83 |  | Paranormal Portal | Brent Thomas | |
| 98 | 35 |  | CrowdScience | BBC World Service | |
| 99 | 51 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 100 | 21 | I | ImmunoTea: Your Immunology Podcast | Lara Dungan | |
