| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 2 |  | Radiolab | WNYC Studios | |
| 4 | 5 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 1 |  | Science Vs | Spotify Studios | |
| 6 | 3 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 7 | — |  | Unexplainable | Vox | |
| 8 | 6 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 10 | 29 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 11 | 1 |  | Curious Cases | BBC Radio 4 | |
| 12 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 13 | 113 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 14 | 51 |  | The Psychology Podcast | iHeartPodcasts | |
| 15 | 1 |  | Normal Curves: Sexy Science, Serious Statistics | Regina Nuzzo and Kristin Sainani | |
| 16 | 12 |  | Short Wave | NPR | |
| 17 | 4 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 18 | 62 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 19 | 64 |  | More or Less | BBC Radio 4 | |
| 20 | 9 |  | CrowdScience | BBC World Service | |
| 21 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 22 | 80 |  | Universe Today Podcast | Fraser Cain | |
| 23 | 10 |  | Overheard at National Geographic | National Geographic | |
| 24 | 17 |  | Science Weekly | The Guardian | |
| 25 | 66 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 26 | 70 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 27 | 122 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 28 | 110 | T | The Best of Making Sense with Sam Harris | Sam Harris | |
| 29 | 85 |  | The Astrophysics Podcast | Paul Duffell | |
| 30 | 85 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 31 | 124 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 32 | — |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 33 | — |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 34 | — |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 35 | 12 |  | Blurry Creatures | Blurry Creatures | |
| 36 | — | F | Forschung aktuell | Deutschlandfunk | |
| 37 | — |  | Grey Dynamics | Grey Dynamics | |
| 38 | — |  | IFLScience - The Big Questions | IFLScience | |
| 39 | — | N | Neuroscience of Coaching | Mirasee FM | |
| 40 | — |  | Astrum Space | Astrum | |
| 41 | — |  | ESA Explores | European Space Agency | |
| 42 | — | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 43 | — | T | The Cosmic Savannah | The Cosmic Savannah | |
| 44 | 9 |  | BBC Inside Science | BBC Radio 4 | |
| 45 | — |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 46 | — | T | The Human Subject | BBC Radio 4 | |
| 47 | 30 |  | Regenerative Agriculture Podcast | John Kempf | |
| 48 | 33 |  | The Geography of Everything | Ronni Ravid & Zenne Hellinga | |
| 49 | 16 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 50 | 92 |  | Science In Action | BBC World Service | |
| 51 | 11 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 52 | 32 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 53 | 11 |  | Discovery | BBC World Service | |
| 54 | 32 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 55 | 35 |  | Skeptoid | Brian Dunning | |
| 56 | 38 | E | Enneagram Type 1 | Joel Hubbard and Jim Zartman | |
| 57 | 38 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 58 | 3 |  | iLukuluku | All Ears FM | |
| 59 | 27 |  | Grazing Grass Podcast sharing Regenerative Ag Stories | Grazing Grass | |
| 60 | 36 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 61 | 18 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 62 | 13 |  | That UFO Podcast | That UFO Podcast | |
| 63 | 40 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 64 | 39 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 65 | 39 | S | Schneller schlau - Der kurze Wissenspodcast von P.M. | RTL+ / P.M. / Audio Alliance | |
| 66 | 39 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 67 | 38 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 68 | 38 |  | The Science of Birds | Ivan Phillipsen | |
| 69 | 38 |  | Eons: Surviving Deep Time | PBS | |
| 70 | 36 |  | Bedtime Astronomy | Synthetic Universe | |
| 71 | 36 |  | The Skin Flint Podcast | elearningvet | |
| 72 | 36 |  | پادکست آذرخش مکری - azarakhsh mokri | nimac | |
| 73 | 36 |  | JBJS Podcast | The Journal of Bone & Joint Surgery | |
| 74 | 29 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 75 | 37 |  | The Geonomics Podcast | Dr Alex Dickinson | |
| 76 | 26 |  | Science Friday | Science Friday and WNYC Studios | |
| 77 | 33 |  | TheThinkingAtheist | The Thinking Atheist | |
| 78 | 4 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 79 | 27 | S | Soft Robotics Podcast | Marwa ElDiwiny | |
| 80 | 17 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 81 | 35 |  | Talk Nerdy with Cara Santa Maria | Cara Santa Maria | |
| 82 | 34 |  | Beat Your Genes Podcast | BeatYourGenes | |
| 83 | 27 |  | Ancient Aliens | PodcastOne | |
| 84 | 33 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 85 | 13 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 86 | 13 | B | BJA Education Podcasts | BJA Education | |
| 87 | 28 |  | The Composter Podcast | Jayne Merner | |
| 88 | 28 |  | The Parkinson's Podcast | Davis Phinney Foundation | |
| 89 | 9 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 90 | 32 |  | Living Planet | DW | |
| 91 | 14 |  | Radiowissen | Bayerischer Rundfunk | |
| 92 | 7 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 93 | 84 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 94 | 39 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 95 | 41 | F | Food Safety Matters | Food Safety Magazine | |
| 96 | 33 | A | Audio Summaries - American Journal of Respiratory and Critical Care Medicine | American Thoracic Society | |
| 97 | 40 | S | Students of Surgery | Martin Brand | |
| 98 | 36 |  | Get Out Alive | Ashley Bray | |
| 99 | 48 |  | Sasquatch Odyssey | Sasquatch Odyssey-Bigfoot Encounters | |
| 100 | 6 |  | The Orthobullets Podcast | Orthobullets | |
