| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | More or Less | BBC Radio 4 | |
| 3 | — |  | Curious Cases | BBC Radio 4 | |
| 4 | — |  | Science Weekly | The Guardian | |
| 5 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 6 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 8 | 2 |  | Radiolab | WNYC Studios | |
| 9 | 4 |  | Ologies with Alie Ward | Alie Ward | |
| 11 | — |  | ScienceStuff | iHeartPodcasts | |
| 12 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 13 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 14 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 15 | — |  | The world, the universe and us | New Scientist | |
| 16 | 6 |  | Unexplainable | Vox | |
| 19 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 20 | 3 |  | CrowdScience | BBC World Service | |
| 21 | 2 |  | Why Do We Do That? | BBC Radio 4 | |
| 22 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 23 | 1 | W | Waterlands | Wildfowl & Wetlands Trust | |
| 24 | 3 |  | Rare Earth | BBC Radio 4 | |
| 25 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 26 | 1 |  | The Plodcast | Our Media | |
| 27 | 6 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 28 | 8 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 30 | 13 |  | Overheard at National Geographic | National Geographic | |
| 31 | 1 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 32 | 6 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 34 | — |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 35 | 4 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 36 | 11 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 37 | 9 | F | Farming Today | BBC Radio 4 | |
| 38 | 8 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 39 | 50 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 40 | 11 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 41 | 6 | W | Wild Tales | Nature Podcast | National Trust | |
| 42 | 15 | T | This Natural Life | BBC Radio 4 | |
| 43 | 5 | T | The We Society | AcSS | |
| 45 | 1 |  | Unexpected Elements | BBC World Service | |
| 46 | 6 |  | Science In Action | BBC World Service | |
| 47 | 6 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 48 | 5 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 49 | 14 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 50 | 11 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 51 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 52 | 3 | B | Bird Songs with Seán Ronayne | RTÉ lyric fm | |
| 53 | 1 |  | Nature Podcast | Springer Nature Limited | |
| 54 | 10 |  | Mysterious Universe | 8th Kind | |
| 55 | 1 |  | Speaking of Psychology | American Psychological Association | |
| 56 | 11 |  | That UFO Podcast | That UFO Podcast | |
| 57 | 7 |  | Naturebang | BBC Radio 4 | |
| 58 | 19 |  | The Climate Question | BBC World Service | |
| 59 | 16 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 60 | 16 |  | Discovery | BBC World Service | |
| 63 | 6 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 65 | 9 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 66 | 108 |  | Robinson's Podcast | Robinson Erhardt | |
| 68 | 19 | B | Best Medicine | BBC Radio 4 | |
| 69 | 17 |  | The Casual Birder Podcast | Suzy Buttress | |
| 70 | 8 |  | Universe Today Podcast | Fraser Cain | |
| 71 | 5 |  | Somewhere in the Skies | SpectreVision Radio | |
| 72 | 11 | T | The Aspiring Psychologist Podcast | Dr Marianne Trent | |
| 74 | 7 |  | A Life More Wild | Canopy & Stars | |
| 75 | 4 |  | The Astrophysics Podcast | Paul Duffell | |
| 76 | 14 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 77 | — | U | UK Wildlife Podcast | Neil Phillips + Victoria Hillman | |
| 78 | 10 |  | New Books in Critical Theory | Marshall Poe | |
| 79 | 18 |  | The Common Descent Podcast | Common Descent | |
| 80 | 33 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 81 | 21 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 82 | 8 |  | How We're Wired | The Bertarelli Foundation | |
| 83 | 24 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 84 | 12 |  | Star Diary | BBC Sky at Night Magazine | |
| 85 | 13 |  | Total Disclosure Podcast | Tyler Roberts | |
| 86 | 19 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 87 | 31 |  | Believing the Bizarre: Paranormal Podcast | Tyler and Charlie | |
| 88 | 6 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 89 | 7 | P | PsychCrunch | The British Psychological Society Research Digest | |
| 90 | 1 |  | The Michael Shermer Show | Michael Shermer | |
| 91 | 11 | L | Lasers in Skin | Lisa McMahon & Mike Murphy | |
| 92 | 25 |  | Invisibilia | NPR | |
| 93 | 12 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 94 | 7 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 95 | 17 | P | PHEMCAST | Tim Nutbeam and Clare Bosanko | |
| 96 | 31 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 97 | 24 |  | All In The Mind | ABC | |
| 98 | 27 |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 99 | 37 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 100 | — |  | Ancient Aliens | PodcastOne | |
| 101 | — |  | This Week in Virology | Vincent Racaniello | |
| 102 | 22 |  | Accidental Gods | Accidental Gods | |
| 103 | 11 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 104 | 51 |  | The Future of Everything | Stanford Engineering | |
| 105 | 33 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 107 | 42 | ![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 | |
| 108 | 30 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 110 | 28 | R | RSPCA Animal Futures | RSPCA | |
| 111 | 66 |  | MinuteEarth | Minute Earth | |
| 112 | 8 |  | The Geonomics Podcast | Dr Alex Dickinson | |
| 113 | 34 |  | Origin Stories | The Leakey Foundation | |
| 114 | 39 |  | Short Wave | NPR | |
