| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 3 | — |  | Curious Cases | BBC Radio 4 | |
| 4 | 8 |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | 6 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 2 |  | Radiolab | WNYC Studios | |
| 5 | 1 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 5 | 2 | B | Boring History for Sleep | Velvet | |
| 6 | 13 |  | A Question of Science | The Francis Crick Institute | |
| 6 | — | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 7 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 13 |  | The world, the universe and us | New Scientist | |
| 8 | 2 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 8 | 2 |  | Unexplainable | Vox | |
| 10 | 8 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 10 | 2 |  | Science Weekly | The Guardian | |
| 14 | — | 2 | 28 Ways to Save the World | Newstalk | |
| 14 | 7 |  | More or Less | BBC Radio 4 | |
| 15 | 2 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 16 | 1 | C | CountryWide | RTÉ Radio 1 | |
| 16 | 3 |  | Science Vs | Spotify Studios | |
| 17 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 17 | — | T | The VistaMilk Podcast | VistaMilk SFI Research Centre | |
| 17 | 13 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 18 | — |  | BIOACTIVE | Riley D. Kirk, Ph.D. | |
| 18 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 20 | 4 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 21 | 6 |  | The Psychology Podcast | iHeartPodcasts | |
| 22 | 53 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 22 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 23 | 18 |  | The Life Scientific | BBC Radio 4 | |
| 24 | — | I | In Your Nature | By BirdWatch Ireland | |
| 24 | 133 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 26 | 3 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 26 | 72 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 27 | — | A | Anaphylaxis UK: Let's Talk About Allergies | Anaphylaxis UK | |
| 27 | — |  | Babbage from The Economist | The Economist | |
| 28 | — | U | Unlocking Behaviour Change | Robert West | |
| 28 | — | E | Ecoalf | Bluetiful Stories | ECOALF | |
| 28 | 1 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 29 | 3 |  | A Life More Wild | Canopy & Stars | |
| 29 | 7 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 29 | 75 |  | Physics World Weekly Podcast | Physics World | |
| 30 | 21 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 30 | 66 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 31 | 1 | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 32 | 32 |  | Discovery | BBC World Service | |
| 32 | 44 |  | That UFO Podcast | That UFO Podcast | |
| 33 | — | N | Naturefile | RTÉ lyric fm | |
| 33 | 48 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 34 | — |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 34 | 4 |  | Operation Night Cat | New Hampshire Public Radio | |
| 35 | 3 |  | This Week in Parasitism | Vincent Racaniello | |
| 35 | — | D | Dementia Researcher | Dementia Researcher | |
| 36 | 8 | M | Making Science with Tom Whipple | The Times | |
| 36 | — | I | Insights Xchange: Conversations Shaping Academic Research | Cactus Communications (CACTUS) | |
| 37 | 115 |  | Living Planet | DW | |
| 38 | 7 |  | Der KI-Podcast | ARD | |
| 39 | 10 | H | Higher Education Researcher | CHERE@LU | |
| 39 | 4 |  | Astrum Space | Astrum | |
| 40 | — | I | Irish Wildlife Trust | Irish Wildlife Trust | |
| 41 | 5 | T | The Math Club | Pete and Noah | |
| 41 | 31 |  | Science Friday | Science Friday and WNYC Studios | |
| 41 | — | C | CogNation | CogNation Media | |
| 42 | 5 | M | Maths on the Move | plus.maths.org | |
| 42 | 31 |  | Origin Stories | The Leakey Foundation | |
| 42 | 54 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 43 | — |  | Real Organic Podcast | Real Organic Project | |
| 43 | 82 |  | The Plodcast | Our Media | |
| 43 | 5 | I | Infinitely Irrational: A Math Podcast | Infinitely Irrational: A Math Podcast | |
| 44 | 5 | T | The Math Factor | C Goodman-Strauss Kyle Kellams | |
| 45 | 5 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 45 | — | S | Sher Khan | Aaj Tak Radio | |
| 45 | — |  | The Big Disaster: The Big Burn | LAist Studios | |
| 46 | 14 | B | Besser Früh als Nie | Fritz Espenlaub & Marc Stöckli | |
| 47 | 14 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 48 | 22 |  | The Michael Shermer Show | Michael Shermer | |
| 49 | 20 |  | Overheard at National Geographic | National Geographic | |
| 50 | — |  | Chemistry Made Simple | Matthew Macariou | |
| 50 | 20 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 51 | 7 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 52 | 9 |  | Science In Action | BBC World Service | |
| 53 | 14 |  | Cool Worlds Podcast | coolworldslab | |
| 54 | 7 |  | Universe Today Podcast | Fraser Cain | |
| 55 | 30 |  | CrowdScience | BBC World Service | |
| 56 | — | S | Star Stuff | Lowell Observatory | |
| 56 | 1 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 56 | 19 |  | Mysterious Universe | 8th Kind | |
| 57 | 8 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 58 | — |  | The Habitat | Gimlet | |
| 59 | 27 | P | PIIE Insider LIVE | Peterson Institute for International Economics | |
| 60 | 20 |  | How We're Wired | The Bertarelli Foundation | |
| 61 | 44 |  | Short Wave | NPR | |
| 61 | 15 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 62 | 8 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 62 | 13 |  | Science Quickly | Scientific American | |
| 63 | 3 |  | Regenerative Agriculture Podcast | John Kempf | |
| 63 | 19 |  | Unexpected Elements | BBC World Service | |
| 64 | 2 | L | Landscapes | Adam Calo | |
