| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | — | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | Science Weekly | The Guardian | |
| 3 | — |  | Radiolab | WNYC Studios | |
| 6 | — |  | More or Less | BBC Radio 4 | |
| 6 | — | E | Everything's Psychology | Paul Davies | |
| 7 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 8 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 8 | 4 |  | A Question of Science | The Francis Crick Institute | |
| 9 | 5 |  | Where The Wild Thoughts Are | Jo Marchant | |
| 9 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 10 | 1 |  | The world, the universe and us | New Scientist | |
| 11 | 3 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 12 | 3 |  | CrowdScience | BBC World Service | |
| 12 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 13 | 8 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 13 | 3 |  | Science Vs | Spotify Studios | |
| 14 | 11 | S | Sweet Little Human | Orkan Media | |
| 15 | 7 |  | Discovery | BBC World Service | |
| 15 | 7 |  | Making Sense with Sam Harris | Sam Harris | |
| 16 | 8 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 17 | 1 |  | Science In Action | BBC World Service | |
| 17 | 22 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 18 | 5 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 19 | 1 |  | Unexpected Elements | BBC World Service | |
| 19 | 3 |  | Origin Stories | The Leakey Foundation | |
| 20 | 3 |  | Instant Genius | Our Media | |
| 20 | 1 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 21 | 3 |  | Overshoot: Navigating a world beyond 1.5°C | Planet B Productions | |
| 24 | 3 | C | CountryWide | RTÉ Radio 1 | |
| 24 | 1 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 24 | 50 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 26 | 2 |  | The Life Scientific | BBC Radio 4 | |
| 26 | 2 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 29 | — |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 31 | 2 | T | The Met Éireann Podcast | Met Éireann | |
| 31 | 5 | S | Space | BBC World Service | |
| 32 | — |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 32 | 10 | B | Boring History for Sleep | Velvet | |
| 33 | 13 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 35 | 17 |  | Oceanography | Pine Forest Media | |
| 35 | 37 |  | Rare Earth | BBC Radio 4 | |
| 36 | 38 | I | In Your Nature | By BirdWatch Ireland | |
| 36 | 6 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 37 | 22 |  | The Psychology Podcast | iHeartPodcasts | |
| 37 | 4 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 38 | 8 | T | The Naked Mole Rat | libo/libo | |
| 38 | — | C | Costing the Earth | BBC Radio 4 | |
| 39 | — |  | Science of Perception Box | Unlikely Collaborators | Pod People | |
| 40 | 56 |  | This Week in Microbiology | Vincent Racaniello | |
| 40 | — | H | How I Wrote This | Brett Gordon and Karen Winterich | |
| 41 | 4 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 41 | 22 |  | Blurry Creatures | Blurry Creatures | |
| 41 | 138 |  | Drilled | Pushkin Industries | |
| 41 | — | P | Pediatric Anesthesia Podcast | Pediatric Anesthesia | |
| 42 | 7 |  | Two Bees in a Podcast | UF/IFAS Honey Bee Lab | |
| 42 | 58 |  | Accidental Gods | Accidental Gods | |
| 42 | 2 |  | Astrum Space | Astrum | |
| 42 | — |  | Life List: A Birding Podcast | George Armistead, Alvaro Jaramillo, and Mollee Brown | |
| 43 | — |  | «Знание - сила» с Екатериной Шульман | Эхо | Эхо Подкасты | |
| 43 | — | T | The Immaculate Deception | Somethin' Else / Sony Music Entertainment | |
| 43 | 7 |  | Unbiased Science | @unbiasedscipod | |
| 44 | 5 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 45 | — | I | icqpodcast's Amateur / Ham Radio Podcast | ICQ Amateur / Ham Radio Podcast | |
| 45 | 22 |  | Babbage from The Economist | The Economist | |
| 47 | 20 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 47 | — | L | Love The Bees Podcast | Yvonne Johnston | |
| 48 | — |  | Science Stuff To Blow Your Mind | Podgo | |
| 48 | — | N | New Books in Environmental Studies | Marshall Poe | |
| 49 | — | T | The Glitterpill Podcast | Samantha Kutner | |
| 51 | — |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 52 | 52 |  | The Michael Shermer Show | Michael Shermer | |
| 52 | — | T | The Weather That Changed Us | ABC | |
| 52 | 6 | B | BJJ Podcasts | The Bone & Joint Journal | |
| 53 | 27 |  | Human Origins - The Story of Us | World of Paleoanthropology | |
| 54 | 13 |  | The Data Science Education Podcast | Berkeley Data Science | |
| 55 | 13 |  | Pharm to Table | LC Campeau, Dani Schultz | |
| 56 | 6 | B | BJJ Podcasts | The Bone & Joint Journal | |
| 58 | 14 |  | Science Friday | Science Friday and WNYC Studios | |
| 58 | — | L | Les idées larges | ARTE Radio | |
| 58 | 32 | F | Feet on the Soil | Soil Boy | |
| 60 | 10 |  | The Couples Therapist Couch | Shane Birkel | |
| 61 | 33 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 62 | 31 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 62 | 45 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 64 | 32 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 65 | 10 |  | Mysterious Universe | 8th Kind | |
| 65 | 10 |  | Universe Today Podcast | Fraser Cain | |
| 65 | 35 | W | Wild Tales | Nature Podcast | National Trust | |
| 66 | 4 |  | That UFO Podcast | That UFO Podcast | |
| 67 | 57 |  | Scotland Outdoors | BBC Radio Scotland | |
| 67 | 16 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 68 | 20 |  | Unexplainable | Vox | |
| 68 | 82 | ![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 | |
| 69 | 34 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 70 | 14 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 71 | 8 |  | Ancient Aliens | PodcastOne | |
| 71 | 34 | T | The Leading Voices in Food | Duke World Food Policy Center | |
| 72 | 20 | F | Farming Today | BBC Radio 4 | |