| 1 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Curious Cases | BBC Radio 4 | |
| 3 | — |  | More or Less | BBC Radio 4 | |
| 4 | 3 |  | Science Weekly | The Guardian | |
| 5 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | — |  | BBC Inside Science | BBC Radio 4 | |
| 7 | 3 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 8 | 3 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 9 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 10 | — |  | Ologies with Alie Ward | Alie Ward | |
| 11 | 3 |  | The world, the universe and us | New Scientist | |
| 12 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 13 | — |  | Radiolab | WNYC Studios | |
| 16 | 1 | W | Waterlands | Wildfowl & Wetlands Trust | |
| 17 | — |  | The Plodcast | Our Media | |
| 18 | — | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 19 | 6 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 20 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 21 | 20 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 22 | 5 |  | That UFO Podcast | That UFO Podcast | |
| 23 | 1 | T | This Natural Life | BBC Radio 4 | |
| 24 | 2 | T | The We Society | AcSS | |
| 25 | 4 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 26 | 6 |  | Regenerative Agriculture Podcast | John Kempf | |
| 27 | 7 |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 28 | 4 |  | CrowdScience | BBC World Service | |
| 29 | 6 |  | Why Do We Do That? | BBC Radio 4 | |
| 30 | — | W | Wild Tales | Nature Podcast | National Trust | |
| 32 | 27 |  | Unexplainable | Vox | |
| 33 | — |  | Science In Action | BBC World Service | |
| 34 | 104 | H | How many geese? | Jack Baddams & Roddy Shaw | |
| 36 | 24 |  | TED Talks Science and Medicine | TED | |
| 37 | 26 |  | Rare Earth | BBC Radio 4 | |
| 39 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 40 | 11 |  | A Life More Wild | Canopy & Stars | |
| 41 | 6 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 42 | 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 | |
| 43 | 15 |  | Overheard at National Geographic | National Geographic | |
| 45 | 12 |  | Accidental Gods | Accidental Gods | |
| 46 | 3 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 47 | 8 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 48 | 3 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 49 | 9 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 50 | 2 |  | Discovery | BBC World Service | |
| 52 | 12 | F | Farming Today | BBC Radio 4 | |
| 53 | 11 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 54 | 17 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 55 | 10 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 56 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 58 | 4 |  | Nature Podcast | Springer Nature Limited | |
| 59 | 15 |  | The Geonomics Podcast | Dr Alex Dickinson | |
| 60 | 7 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 61 | 12 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 62 | 11 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 63 | 1 |  | New Books in Critical Theory | Marshall Poe | |
| 64 | 18 |  | Ancient Aliens | PodcastOne | |
| 65 | 26 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 66 | 19 |  | Unexpected Elements | BBC World Service | |
| 67 | 17 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 68 | 2 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 69 | 8 |  | Origin Stories | The Leakey Foundation | |
| 70 | 2 |  | All In The Mind | ABC | |
| 71 | 9 | U | UK Wildlife Podcast | Neil Phillips + Victoria Hillman | |
| 72 | 6 |  | Star Diary | BBC Sky at Night Magazine | |
| 73 | 17 |  | Short Wave | NPR | |
| 74 | 10 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 75 | 2 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 76 | 1 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 77 | 5 | L | Lasers in Skin | Lisa McMahon & Mike Murphy | |
| 78 | 7 | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 79 | 21 |  | How We're Wired | The Bertarelli Foundation | |
| 80 | 6 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 81 | 16 |  | Robinson's Podcast | Robinson Erhardt | |
| 82 | — |  | Science Fictions | Tom Chivers and Stuart Ritchie | |
| 83 | 8 |  | Naturebang | BBC Radio 4 | |
| 84 | 8 |  | Universe Today Podcast | Fraser Cain | |
| 85 | 6 |  | Radio Naukowe | Radio Naukowe - Karolina Głowacka | |
| 86 | 5 |  | Mysterious Universe | 8th Kind | |
| 87 | 15 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 88 | 30 |  | Instant Genius | Our Media | |
| 89 | 22 |  | Speed & Scale | TED | |
| 90 | 27 | T | The Artificial Human | BBC Radio 4 | |
| 91 | 21 | N | New Scientist Weekly | New Scientist | |
| 92 | 22 |  | Invisibilia | NPR | |
| 93 | 27 |  | Our Big Shot | Humanly Possible | |
| 94 | 25 | T | The Turing Podcast | The Alan Turing Institute | |
| 95 | 35 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 96 | 7 | E | Elfonomics - with Elf Lyons and Dr Gerard Lyons | Elfonomics | |
| 97 | 34 | R | Ri Science Podcast | The Royal Institution | |
| 98 | 15 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 99 | 3 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 100 | 2 |  | Speaking of Psychology | American Psychological Association | |
| 101 | 8 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 102 | 7 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 103 | 10 |  | This Week in Space (Audio) | TWiT | |
| 104 | 41 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 105 | 20 | O | Open Country | BBC Radio 4 | |
| 106 | 4 |  | Let's Learn Everything! | Maximum Fun | |
| 108 | 7 |  | The Michael Shermer Show | Michael Shermer | |
| 109 | 5 | N | New Books in Anthropology | New Books Network | |
