| 1 | 1 |  | Curious Cases | BBC Radio 4 | |
| 2 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 2 |  | More or Less | BBC Radio 4 | |
| 4 | 2 |  | Radiolab | WNYC Studios | |
| 5 | 3 |  | Science Weekly | The Guardian | |
| 6 | 4 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 7 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 9 | 14 |  | The world, the universe and us | New Scientist | |
| 10 | 9 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 11 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | 6 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 13 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 14 | 7 |  | A Question of Science | The Francis Crick Institute | |
| 15 | 4 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | 2 |  | Unexplainable | Vox | |
| 17 | 10 |  | Science Vs | Spotify Studios | |
| 18 | 8 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 19 | 4 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 20 | 4 | B | Boring History for Sleep | Velvet | |
| 21 | 12 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 22 | 16 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 23 | 14 |  | CrowdScience | BBC World Service | |
| 24 | 9 |  | BBC Inside Science | BBC Radio 4 | |
| 25 | 9 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 26 | 8 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 27 | 51 |  | Unexpected Elements | BBC World Service | |
| 28 | 60 | C | CountryWide | RTÉ Radio 1 | |
| 29 | 1 |  | Let's Learn Everything! | Maximum Fun | |
| 30 | 9 |  | The Michael Shermer Show | Michael Shermer | |
| 31 | 17 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 32 | 10 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 33 | 1 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 34 | 10 |  | Instant Genius | Our Media | |
| 35 | 9 |  | Astrum Space | Astrum | |
| 36 | 134 |  | Overheard at National Geographic | National Geographic | |
| 37 | 1 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 38 | 2 |  | Universe Today Podcast | Fraser Cain | |
| 39 | 43 |  | A Life More Wild | Canopy & Stars | |
| 40 | 21 |  | The Life Scientific | BBC Radio 4 | |
| 41 | 103 |  | Kindred | Kate Coffin | |
| 42 | 58 |  | Mysterious Universe | 8th Kind | |
| 43 | — | T | The Resilient Pharmacist | The Resilient Pharmacist | |
| 44 | 26 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 45 | — |  | Jung Chicago Radio | C. G. Jung Institute of Chicago | |
| 46 | — | B | BioTech Nation ... with Dr. Moira Gunn | Moira Gunn | |
| 47 | — | E | Entangled Health | Thomas Ehmer | |
| 48 | — |  | Templeton Ideas Podcast | John Templeton Foundation | |
| 49 | — | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 50 | — | W | Women of Scientista | Queen's University Scientista | |
| 51 | 35 |  | Ask a Spaceman! | Paul M. Sutter | |
| 52 | — |  | TED Talks Science and Medicine | TED | |
| 53 | — | R | Rebel Economics with Dr. Steve Keen | Dr. Steve Keen | |
| 54 | 31 |  | Speaking of Psychology | American Psychological Association | |
| 55 | 30 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 56 | 11 |  | Nature Podcast | Springer Nature Limited | |
| 57 | 22 |  | Почему мы еще живы | libo/libo | |
| 58 | 43 |  | The Psychology Podcast | iHeartPodcasts | |
| 59 | 25 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 60 | 37 |  | Planet Em | Emily McDonald | |
| 61 | 104 |  | The Quanta Podcast | Quanta Magazine | |
| 62 | 26 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 63 | 1 |  | Science Friday | Science Friday and WNYC Studios | |
| 64 | 40 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 65 | 28 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 66 | 1 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 67 | 22 |  | New Books in Critical Theory | Marshall Poe | |
| 68 | 30 |  | The Climate Question | BBC World Service | |
| 69 | 21 | I | Irish Wildlife Trust | Irish Wildlife Trust | |
| 70 | 44 |  | Bigfoot Terror in the Woods Sightings and Encounters | W.J. Sheehan | |
| 71 | 14 |  | The Plodcast | Our Media | |
| 72 | 27 |  | Babbage from The Economist | The Economist | |
| 73 | 30 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 74 | 16 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 75 | 18 | P | PIIE Insider LIVE | Peterson Institute for International Economics | |
| 76 | 26 | К | Космос | Студия Red Barn | |
| 77 | 23 |  | Planet Possible | CIWEM | |
| 78 | 21 | M | Molecule to Market: Inside the outsourcing space | Raman Sehgal | |
| 79 | 59 |  | That UFO Podcast | That UFO Podcast | |
| 80 | 9 |  | Science Magazine Podcast | Science Magazine | |
| 81 | 46 | 2 | 28 Ways to Save the World | Newstalk | |
| 82 | 46 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 83 | 35 |  | Chemistry Made Simple | Matthew Macariou | |
| 84 | 31 | S | Shirtloads of Science | Dr Karl Kruszelnicki | |
| 85 | 23 | F | Farming Today | BBC Radio 4 | |
| 86 | 31 | T | The Humble Hoof | Alicia Harlov | |
| 87 | 36 |  | Mongabay Newscast | Mongabay.com | |
| 88 | 47 | S | Supersónicos Anónimos | SupersónicosAnónimos | |
| 89 | 38 |  | Nerdland Podcast | Lieven Scheire | |
| 90 | 42 | B | Beneath the Canopy Nature Connection | Orlagh and Cat | |
| 91 | 42 |  | Ask MIT Climate | MIT Climate Project | |
| 92 | 50 | P | PODCASTY WSIiZ | PODCASTY WSIiZ | |
| 93 | 65 |  | You Are Not So Smart | You Are Not So Smart | |
| 94 | 63 |  | Drilled | Pushkin Industries | |
| 95 | 46 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 96 | 49 | N | New Scientist Weekly | New Scientist | |
| 97 | 65 |  | Accidental Gods | Accidental Gods | |
| 98 | 39 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 99 | 1 |  | Dr Karl Podcast | triplej | |
| 100 | 56 |  | Stanford Psychology Podcast | Stanford Psychology | |
