| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | Ologies with Alie Ward | Alie Ward | |
| 3 | — |  | Radiolab | WNYC Studios | |
| 4 | 7 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 5 | 5 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 6 | 1 |  | Unexplainable | Vox | |
| 7 | 3 |  | Science Weekly | The Guardian | |
| 8 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 183 | G | Green Noise | CapeNature | |
| 10 | 16 |  | Speaking of Psychology | American Psychological Association | |
| 11 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 12 | 6 |  | Blurry Creatures | Blurry Creatures | |
| 13 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 15 | 1 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 16 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 17 | 7 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 18 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 19 | 2 | B | Boring History for Sleep | Velvet | |
| 20 | — |  | Mythfits | Pionaire Podcasting | |
| 21 | 9 |  | Discovery | BBC World Service | |
| 22 | 13 |  | Curious Cases | BBC Radio 4 | |
| 23 | 81 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 24 | 143 |  | The Science of Everything Podcast | James Fodor | |
| 25 | 124 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 26 | 12 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 27 | 34 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 28 | 37 |  | Science Vs | Spotify Studios | |
| 29 | 9 |  | More or Less | BBC Radio 4 | |
| 30 | 12 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 31 | 62 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 32 | 114 |  | What The If? | Philip Shane, Matt Stanley, Gabrielle Paniccia | |
| 33 | 30 |  | The Michael Shermer Show | Michael Shermer | |
| 34 | 5 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 35 | 4 | S | Students of Surgery | Martin Brand | |
| 36 | 111 |  | That's Just Wild | Fresh Air | |
| 37 | 12 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 38 | 6 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 39 | 137 |  | Evolutionary Psychology (the podcast) | Dave Pietraszewski & David Pinsof | |
| 40 | 32 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 41 | 58 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 42 | 54 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 43 | — |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 44 | 24 |  | Science Rules! with Bill Nye | Stitcher & Bill Nye | |
| 45 | 24 | T | The Soil Health Hub Podcast | Soil Health Hub | |
| 46 | 24 |  | UAP Files Podcast | UAP Files Podcast | |
| 47 | — | T | The Animal Sensemaker | The Observer | |
| 48 | 3 |  | 6 Ranch Podcast | James Nash | |
| 49 | 26 |  | Deep Insights with Mining Review Africa | Mining Review Africa | |
| 50 | 13 |  | Universe Today Podcast | Fraser Cain | |
| 51 | 49 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 52 | 39 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 53 | 14 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 54 | 27 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 55 | — | R | Raumzeit | Metaebene Personal Media - Tim Pritlove | |
| 56 | 49 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 57 | 7 | A | AfroPop Music 4 D Soul | BlackBoiAmazing | |
| 58 | 19 |  | The Orthobullets Podcast | Orthobullets | |
| 59 | 35 |  | CrowdScience | BBC World Service | |
| 60 | — |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 61 | 34 |  | Science Friday | Science Friday and WNYC Studios | |
| 62 | 34 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 63 | 33 |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 64 | 2 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 65 | 4 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 66 | 30 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 67 | 12 |  | Science In Action | BBC World Service | |
| 68 | 2 |  | Unexpected Elements | BBC World Service | |
| 69 | 36 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 70 | 36 |  | Robinson's Podcast | Robinson Erhardt | |
| 71 | 3 |  | Intelligent Design the Future | Discovery Institute | |
| 72 | 30 |  | MinuteEarth | Minute Earth | |
| 73 | 25 | O | Older feeds The Nuclear Medicine and Molecular Medicine podcast- | Rob Williams | |
| 74 | 35 |  | Cosmic Latte | Eva Pech, Jana Steuer, Elka Xharo | |
| 75 | 35 |  | Speed & Scale | TED | |
| 76 | 35 | T | The Social Brain | Taylor Guthrie and Andrew Cooper Sansone | |
| 77 | 7 |  | Short Wave | NPR | |
| 78 | 35 | W | What The Duck?! | ABC | |
| 79 | 35 | M | Making Science with Tom Whipple | The Times | |
| 80 | 35 | I | Immersed In Nature: Nature Sounds for Sleep and Relaxation | Shane Sater | |
| 81 | 35 |  | Auf Distanz - Podcast über Astronomie und Raumfahrt | Lars Naber | |
| 82 | 35 | A | Audio Only The Nuclear Medicine and Molecular Medicine Podcast | Rob Williams | |
| 83 | 34 | T | Theory of Relativity by Albert Einstein | Inception Point Ai | |
| 84 | 34 | P | Philosophy | Cambridge University | |
| 85 | 33 | T | The brief history of time | Adhyan Kasana | |
| 86 | 33 | A | Authentic Biochemistry | Dr Daniel J. Guerra | |
| 87 | 33 |  | Amazed by the Universe | amazedbyuniverse | |
| 88 | 32 | C | Cardiac Nuclear Medicine Podcast | Rob Williams | |
| 89 | 32 | D | Die großen Fragen der Wissenschaft | detektor.fm – Das Podcast-Radio | |
| 90 | 32 | T | The History of Space | Adithya Subramanian | |
| 91 | 32 | T | Technology and Space - The history and future of space tech, exploration and business. | Cristobal Alvarez | |
| 92 | 32 | D | Dentists, Implants and Worms | Justin D. Moody, DDS | |
| 93 | — |  | Astrum Space | Astrum | |
| 94 | 26 |  | New Books in Critical Theory | Marshall Poe | |
| 95 | 32 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 96 | 7 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 97 | 27 |  | Alive Again | iHeartPodcasts | |
| 98 | — |  | Infectious Disease Puscast | Vincent Racaniello | |
| 99 | 12 | I | In Common | The In Common Team | |
| 100 | 45 |  | That UFO Podcast | That UFO Podcast | |
