| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | — |  | Ologies with Alie Ward | Alie Ward | |
| 3 | — |  | Curious Cases | BBC Radio 4 | |
| 4 | 1 |  | Radiolab | WNYC Studios | |
| 4 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 5 | — | F | Futureproof with Jonathan McCrea | Newstalk | |
| 6 | — |  | A Question of Science | The Francis Crick Institute | |
| 7 | — |  | The world, the universe and us | New Scientist | |
| 7 | 2 | B | Boring History for Sleep | Velvet | |
| 8 | 7 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 8 | 2 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 9 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 10 | — |  | Science Weekly | The Guardian | |
| 13 | 7 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 14 | — | 2 | 28 Ways to Save the World | Newstalk | |
| 16 | — | C | CountryWide | RTÉ Radio 1 | |
| 17 | — | T | The VistaMilk Podcast | VistaMilk SFI Research Centre | |
| 17 | 3 |  | More or Less | BBC Radio 4 | |
| 18 | — |  | BIOACTIVE | Riley D. Kirk, Ph.D. | |
| 19 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 19 | 32 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 20 | 12 |  | Unexplainable | Vox | |
| 20 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 21 | 48 | N | New Scientist Weekly | New Scientist | |
| 22 | 124 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 23 | 20 |  | The Plodcast | Our Media | |
| 23 | — |  | The Life Scientific | BBC Radio 4 | |
| 24 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 24 | 6 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 25 | 1 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 26 | 2 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 27 | 109 | T | The Dairy Trail | Agriland Media | |
| 27 | 4 | ![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 | |
| 27 | 1 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 28 | 6 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 28 | — | E | Ecoalf | Bluetiful Stories | ECOALF | |
| 29 | 4 | N | Naturefile | RTÉ lyric fm | |
| 29 | — |  | Physics World Weekly Podcast | Physics World | |
| 29 | — |  | Science Will Win | Pfizer | |
| 30 | — |  | The Science of Birds | Ivan Phillipsen | |
| 30 | 3 | A | Anaphylaxis UK: Let's Talk About Allergies | Anaphylaxis UK | |
| 30 | 62 |  | The Climate Question | BBC World Service | |
| 30 | 2 |  | Discovery | BBC World Service | |
| 30 | — |  | This Week in Virology | Vincent Racaniello | |
| 31 | 31 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 31 | 14 |  | BBC Inside Science | BBC Radio 4 | |
| 32 | — | T | The Structural Engineering Podcast | Zach and Max | |
| 33 | 3 | M | Making Science with Tom Whipple | The Times | |
| 33 | — | T | The Energy Essentials Podcast | Cornwall Insight | |
| 34 | 14 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 35 | — | N | NLP Highlights | Allen Institute for Artificial Intelligence | |
| 35 | — | D | Dementia Researcher | Dementia Researcher | |
| 35 | — | S | Social Work Sorted with Vicki Shevlin | Vicki Shevlin | |
| 36 | 6 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 37 | 9 | U | Unlocking Behaviour Change | Robert West | |
| 38 | — |  | The UNFC Podcast | Satarla | |
| 38 | 22 |  | Science Vs | Spotify Studios | |
| 41 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 42 | — |  | Origin Stories | The Leakey Foundation | |
| 42 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 44 | 2 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 45 | 32 |  | Stories From Space | ITSPmagazine, Matthew S Williams | |
| 47 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 48 | 24 | I | In Your Nature | By BirdWatch Ireland | |
| 48 | 16 |  | That UFO Podcast | That UFO Podcast | |
| 49 | 20 |  | A Life More Wild | Canopy & Stars | |
| 50 | 17 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 50 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 51 | 12 |  | Astrum Space | Astrum | |
| 51 | 29 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 52 | 22 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 52 | — |  | Science In Action | BBC World Service | |
| 53 | 24 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 54 | — |  | Universe Today Podcast | Fraser Cain | |
| 55 | 6 |  | Overheard at National Geographic | National Geographic | |
| 55 | 1 |  | Mysterious Universe | 8th Kind | |
| 56 | — |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 57 | 9 |  | The Michael Shermer Show | Michael Shermer | |
| 58 | 1 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 59 | 4 |  | CrowdScience | BBC World Service | |
| 59 | 32 |  | Babbage from The Economist | The Economist | |
| 61 | — |  | Short Wave | NPR | |
| 61 | 16 |  | The Big Disaster: The Big Burn | LAist Studios | |
| 61 | 33 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 63 | — |  | Regenerative Agriculture Podcast | John Kempf | |
| 64 | — | L | Landscapes | Adam Calo | |
| 64 | 5 | F | Farming Today | BBC Radio 4 | |
| 65 | — | C | Conservation and Science | Tommy's Outdoors | |
| 66 | 50 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 66 | 29 |  | Living Planet | DW | |
| 66 | — | E | eanCast: Weekly Neurology | ean.org | |
| 67 | 33 |  | Operation Night Cat | New Hampshire Public Radio | |
| 68 | 27 | T | The Math Club | Pete and Noah | |
| 68 | — |  | Naturebang | BBC Radio 4 | |
| 69 | 34 |  | This Week in Parasitism | Vincent Racaniello | |
| 71 | — |  | ScienceStuff | iHeartPodcasts | |
| 71 | 28 |  | Real Organic Podcast | Real Organic Project | |
