| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | More or Less | BBC Radio 4 | |
| 3 | — |  | Curious Cases | BBC Radio 4 | |
| 4 | 1 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 5 | 1 |  | Instant Genius | Our Media | |
| 6 | 3 |  | Radiolab | WNYC Studios | |
| 8 | 3 | W | Why? with Emma Kennedy | Podmasters | |
| 9 | 3 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 10 | 2 |  | Science Weekly | The Guardian | |
| 11 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 12 | — |  | The world, the universe and us | New Scientist | |
| 14 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 15 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 16 | 9 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 17 | 7 |  | The Life Scientific | BBC Radio 4 | |
| 18 | 1 |  | The Plodcast | Our Media | |
| 20 | 2 |  | Unexplainable | Vox | |
| 21 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 22 | 6 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 23 | 6 |  | Why Do We Do That? | BBC Radio 4 | |
| 24 | 6 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 25 | 4 | T | This Natural Life | BBC Radio 4 | |
| 26 | 2 |  | That UFO Podcast | That UFO Podcast | |
| 27 | 10 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 28 | 8 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 30 | — |  | Scotland Outdoors | BBC Radio Scotland | |
| 32 | 6 | W | Waterlands | Wildfowl & Wetlands Trust | |
| 34 | 7 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 35 | 15 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 37 | 2 |  | Science In Action | BBC World Service | |
| 38 | 5 |  | Science Vs | Spotify Studios | |
| 40 | 12 |  | Unexpected Elements | BBC World Service | |
| 41 | 3 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 42 | 1 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 43 | 6 |  | Universe Today Podcast | Fraser Cain | |
| 44 | 5 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 45 | 8 | F | Farming Today | BBC Radio 4 | |
| 46 | 19 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 47 | 15 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 48 | 6 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 49 | 7 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 50 | 12 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 51 | 5 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 52 | 3 | N | New Scientist Weekly | New Scientist | |
| 53 | 11 |  | New Books in Critical Theory | Marshall Poe | |
| 54 | 50 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 55 | 2 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 56 | 13 |  | Overheard at National Geographic | National Geographic | |
| 57 | 19 |  | Mysterious Universe | 8th Kind | |
| 59 | 37 |  | Naturebang | BBC Radio 4 | |
| 60 | 15 |  | Speaking of Psychology | American Psychological Association | |
| 62 | 18 | ![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 | |
| 63 | 12 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 64 | 24 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 65 | 17 | T | The Animal Sensemaker | The Observer | |
| 66 | 31 |  | All In The Mind | ABC | |
| 67 | 40 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 68 | 25 |  | Star Diary | BBC Sky at Night Magazine | |
| 69 | 1 |  | Nature Podcast | Springer Nature Limited | |
| 70 | 12 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 71 | 19 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 72 | — |  | The Micah Hanks Program | Micah Hanks | |
| 74 | 13 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 75 | 9 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 76 | 22 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 77 | 17 | V | Voyage to the Wild | Ocean Roamer | |
| 78 | 21 |  | Jung Chicago Radio | C. G. Jung Institute of Chicago | |
| 79 | 10 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 80 | 17 |  | Discovery | BBC World Service | |
| 81 | 14 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 83 | 36 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 84 | 5 | B | Big Cat Conversations | Rick Minter | |
| 85 | 21 | T | The Systemic Way | Sezer and Julie | |
| 86 | 13 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 87 | 15 |  | UFO Chronicles Podcast | Nik Hunter | |
| 88 | 7 |  | MinuteEarth | Minute Earth | |
| 89 | 11 | Q | Qualitative Research Methods for Everyone Podcast | Policy Press | |
| 90 | 19 |  | The Michael Shermer Show | Michael Shermer | |
| 91 | 3 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 93 | 48 |  | The Astrophysics Podcast | Paul Duffell | |
| 94 | — |  | Safeguarding Sound Science | National Center for Science Education | |
| 95 | 21 |  | Paranormal Portal | Brent Thomas | |
| 96 | 37 |  | Terrible Lizards | Iszi Lawrence and David Hone | |
| 98 | 13 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 100 | 23 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 101 | 34 |  | Robinson's Podcast | Robinson Erhardt | |
| 104 | 88 | C | Cumbria Wildlife Trust’s Podcast | Cumbria Wildlife Trust | |
| 105 | 11 |  | Dr Karl Podcast | triplej | |
| 107 | 20 |  | Speed & Scale | TED | |
| 108 | 75 |  | Great Mysteries of Physics | The Conversation | |
| 109 | 59 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 110 | 51 |  | Manifold | Steve Hsu | |
| 112 | 44 |  | New Books in Psychoanalysis | Marshall Poe | |
| 113 | 31 | T | The Lodge Cast | Beaver Trust | |
| 114 | 46 |  | Physics World Weekly Podcast | Physics World | |
| 115 | 65 |  | Science Magazine Podcast | Science Magazine | |
| 116 | 32 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 117 | 16 | U | UK Wildlife Podcast | Neil Phillips + Victoria Hillman | |
| 118 | 36 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 119 | 28 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
