| 1 | — |  | Curious Cases | BBC Radio 4 | |
| 2 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 4 | 1 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 5 | 1 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 6 | 5 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 1 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 8 | 4 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 9 | 2 |  | The Psychology Podcast | iHeartPodcasts | |
| 10 | 1 | N | Naturefile | RTÉ lyric fm | |
| 11 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 12 | 4 |  | Science Weekly | The Guardian | |
| 13 | 3 | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 14 | 8 |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 15 | 13 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 16 | 4 |  | Science In Action | BBC World Service | |
| 17 | 9 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 18 | 4 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 19 | 6 |  | Radiolab | WNYC Studios | |
| 20 | 15 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 21 | 4 |  | More or Less | BBC Radio 4 | |
| 22 | 7 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 23 | 55 | F | Farming for Nature | Farming for Nature | |
| 24 | 8 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 25 | 6 |  | Nature Podcast | Springer Nature Limited | |
| 26 | 8 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 27 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 28 | 112 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 29 | 109 |  | The Life Scientific | BBC Radio 4 | |
| 30 | 104 |  | Mysterious Universe | 8th Kind | |
| 31 | — | T | Tom Nelson | Thomas Nelson | |
| 32 | — | ' | 'Mind the Kids': an ACAMH podcast | The Association for Child and Adolescent Mental Health | |
| 33 | — |  | Aha! Zehn Minuten Alltags-Wissen | WELT | |
| 34 | — |  | ScienceStuff | iHeartPodcasts | |
| 35 | — |  | NOC Into the Blue Podcast | National Oceanography Centre | |
| 36 | — | T | The Functional Breeding Podcast | The Functional Dog Collaborative | |
| 37 | — | B | Beckman Unleashed | Joel Beckman & Eric | |
| 38 | 14 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 39 | — | T | The Wild Life: 8D Soundscapes | The Wild Life | |
| 40 | — |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 41 | — |  | Let's Talk Chemistry- a science podcast by ChemTalk | The ChemTalk Team | |
| 42 | — | A | A Wild Mind | Andrea Bariselli | |
| 43 | — | P | Paroles d'histoire | Paroles d'histoire | |
| 44 | — |  | Science Rules! with Bill Nye | Stitcher & Bill Nye | |
| 45 | — | T | The Fascia Guide | thefasciaguide | |
| 46 | — | N | Naturally Speaking | IBAHCM | |
| 47 | 24 |  | Robinson's Podcast | Robinson Erhardt | |
| 48 | 10 |  | The world, the universe and us | New Scientist | |
| 49 | 3 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 50 | 16 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 51 | 24 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 52 | 22 | U | Umwelt | Ryan Pemberton | |
| 53 | 20 |  | Ask a Spaceman! | Paul M. Sutter | |
| 54 | 23 |  | You Are Not So Smart | You Are Not So Smart | |
| 55 | 18 |  | Speaking of Psychology | American Psychological Association | |
| 56 | 24 |  | Somewhere in the Skies | SpectreVision Radio | |
| 57 | 21 |  | The Couples Therapist Couch | Shane Birkel | |
| 58 | 19 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 59 | 16 |  | Deep Seed - Regenerative Agriculture | Raphael Esterhazy | |
| 60 | 14 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 61 | 21 | F | First Line | Whole Person, Holistic Mental Health & Medical Education | Dr. Aubrey Ann Jackson | |
| 62 | 21 | I | ICI Edition | ICI Berlin Institute for Cultural Inquiry | |
| 63 | 69 |  | Unexplainable | Vox | |
| 64 | 22 |  | Invisibilia | NPR | |
| 65 | 20 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 66 | 18 |  | ASTRO Journals | Various | |
| 67 | 23 | S | Stroke Alert | Negar Asdaghi, MD, MSc, FRCPC, FAHA | |
| 68 | 21 | C | Ci vuole una scienza | Il Post | |
| 69 | 20 | C | Curiosity Unbounded | Massachusetts Institute of Technology (MIT) | |
| 70 | 20 |  | Neurosurgery Podcast | Neurosurgery Podcast | |
| 71 | 20 | T | The BIG Think | mackenzie peterson | |
| 72 | 64 |  | Science Friday | Science Friday and WNYC Studios | |
| 73 | 50 |  | That UFO Podcast | That UFO Podcast | |
| 74 | 53 |  | Unexpected Elements | BBC World Service | |
| 75 | 30 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 76 | 23 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 77 | 22 |  | The Michael Shermer Show | Michael Shermer | |
| 78 | 24 | C | CME in Minutes: Education in Dermatology | Answers in CME | |
| 79 | 23 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 80 | 25 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 81 | 22 |  | Science Talk | Scientific American | |
| 82 | 24 |  | The Plodcast | Our Media | |
| 83 | 26 |  | SuperHumanizer Podcast | Dr. Hani Chaabo & Katie Bogen M.A. | |
| 84 | 11 |  | How We're Wired | The Bertarelli Foundation | |
| 85 | 6 |  | BBC Inside Science | BBC Radio 4 | |
| 86 | 4 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 87 | 2 |  | Discovery | BBC World Service | |
| 88 | 36 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 89 | 1 | I | In Your Nature | By BirdWatch Ireland | |
| 90 | 30 |  | Most Terrifying Places in America | Travel Channel | |
| 91 | 27 |  | This Week in Cardiology | Medscape | |
| 92 | 29 | T | The Physio Matters Podcast | Jack Chew | |
| 93 | 21 |  | Blurry Creatures | Blurry Creatures | |
| 94 | 32 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 95 | 30 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 96 | 1 |  | Science Vs | Spotify Studios | |
| 97 | 36 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 98 | 31 | T | The WildX Podcast | Andy Green, Mike Phelps and Adam Juckes | |
| 99 | 34 | C | Changing Minds with Owen Fitzpatrick | Owen Fitzpatrick | |
| 100 | 25 | C | Clinical Pharmacology Podcast with Nathan Teuscher | Nathan Teuscher | |
