| 2 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 3 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 5 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 6 | 1 |  | Oceans: Life Under Water | Crowd Network | Greenpeace UK | |
| 7 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 9 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 10 | 1 | W | Wild Tales | Nature Podcast | National Trust | |
| 11 | 2 |  | The Plodcast | Our Media | |
| 12 | 2 |  | Science Weekly | The Guardian | |
| 13 | 1 |  | Radiolab | WNYC Studios | |
| 14 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 15 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 16 | 2 |  | The world, the universe and us | New Scientist | |
| 17 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 18 | 1 | W | Why? with Emma Kennedy | Podmasters | |
| 19 | 1 |  | The Life Scientific | BBC Radio 4 | |
| 20 | 2 |  | BBC Inside Science | BBC Radio 4 | |
| 21 | — | O | Open Country | BBC Radio 4 | |
| 22 | 2 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 23 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 24 | 1 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 25 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 26 | 2 |  | CrowdScience | BBC World Service | |
| 27 | 8 |  | Scotland Outdoors | BBC Radio Scotland | |
| 28 | 1 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 30 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 31 | 8 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 32 | — |  | When Science Finds a Way | Wellcome | |
| 33 | 16 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 34 | 2 |  | The Climate Question | BBC World Service | |
| 35 | 8 |  | Science Vs | Spotify Studios | |
| 36 | 5 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 37 | 21 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 38 | 5 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 39 | 3 |  | That UFO Podcast | That UFO Podcast | |
| 40 | 3 |  | Science In Action | BBC World Service | |
| 41 | — |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 42 | 4 |  | Rare Earth | BBC Radio 4 | |
| 43 | 15 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 44 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 45 | 11 | T | The Knepp Wilding Podcast | Knepp.co.uk | |
| 46 | 8 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 47 | 14 |  | ScienceStuff | iHeartPodcasts | |
| 48 | 3 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 49 | 16 |  | Speaking of Psychology | American Psychological Association | |
| 50 | 30 |  | The Episodic Table of Elements | T. R. Appleton | |
| 51 | 41 |  | Discovery | BBC World Service | |
| 53 | 13 |  | Let's Learn Everything! | Maximum Fun | |
| 54 | 19 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 55 | 21 |  | Mysterious Universe | 8th Kind | |
| 56 | 14 |  | Speed & Scale | TED | |
| 57 | 17 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 58 | 5 |  | Overheard at National Geographic | National Geographic | |
| 59 | 4 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 60 | 20 |  | Instant Genius | Our Media | |
| 61 | 5 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 62 | 2 |  | Unexpected Elements | BBC World Service | |
| 63 | 20 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 64 | 9 | W | Waterlands | Wildfowl & Wetlands Trust | |
| 65 | 3 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 66 | 7 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 67 | 47 | T | The Animal Sensemaker | The Observer | |
| 68 | 19 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 69 | 28 |  | Short Wave | NPR | |
| 70 | 19 |  | TED Talks Science and Medicine | TED | |
| 71 | 10 | F | Farming Today | BBC Radio 4 | |
| 72 | 6 |  | Universe Today Podcast | Fraser Cain | |
| 73 | 13 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 74 | 77 |  | How We're Wired | The Bertarelli Foundation | |
| 75 | 33 |  | Naturebang | BBC Radio 4 | |
| 76 | 4 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 77 | 22 |  | Cool Worlds Podcast | coolworldslab | |
| 78 | 28 |  | The Science of Birds | Ivan Phillipsen | |
| 79 | 44 |  | The Michael Shermer Show | Michael Shermer | |
| 80 | 5 |  | Drilled | Pushkin Industries | |
| 81 | 8 |  | The Common Descent Podcast | Common Descent | |
| 82 | 11 | ![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 | |
| 83 | 2 |  | Science Friday | Science Friday and WNYC Studios | |
| 84 | 12 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 85 | 1 |  | All In The Mind | ABC | |
| 86 | 7 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 87 | 8 |  | Origin Stories | The Leakey Foundation | |
| 88 | 21 |  | Your Brain On Climate | Dave Powell | |
| 89 | 37 | N | New Scientist Weekly | New Scientist | |
| 90 | 43 |  | New Books in Critical Theory | Marshall Poe | |
| 91 | 8 |  | Unexplainable | Vox | |
| 92 | 19 |  | Patterns Tell Stories | UFOs & High Strangeness | KLAɄЅ & GΔRRΞTT | |
| 93 | 11 |  | The Quanta Podcast | Quanta Magazine | |
| 95 | 38 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 96 | 19 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 97 | 26 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 98 | 50 | S | Stories of Safety | Stories of Safety | |
| 99 | 13 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 100 | 2 | T | The We Society | AcSS | |
| 101 | — | R | Richard Wiseman's On Your Mind | Podimo & TellTale | |
| 102 | — |  | Total Disclosure Podcast | Tyler Roberts | |
| 103 | 5 |  | Life in the Lab | Association for Laboratory Medicine | |
| 104 | 14 |  | Nature Podcast | Springer Nature Limited | |
| 105 | 29 |  | Ancient Aliens | PodcastOne | |
