| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | 2 |  | Radiolab | WNYC Studios | |
| 5 | 3 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 6 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 8 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 9 | 4 |  | Unexplainable | Vox | |
| 10 | 1 |  | Curious Cases | BBC Radio 4 | |
| 11 | 2 |  | Speaking of Psychology | American Psychological Association | |
| 12 | 23 |  | The Psychology Podcast | iHeartPodcasts | |
| 13 | 21 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 14 | 19 |  | When Science Finds a Way | Wellcome | |
| 15 | 2 |  | More or Less | BBC Radio 4 | |
| 16 | 8 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 17 | 1 |  | Discovery | BBC World Service | |
| 18 | 18 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 19 | 43 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 20 | 9 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 21 | 9 |  | Alive Again | iHeartPodcasts | |
| 22 | 17 |  | Overheard at National Geographic | National Geographic | |
| 23 | 101 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 24 | — |  | Altered States | PRX | |
| 25 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 26 | 12 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 27 | 8 |  | All In The Mind | ABC | |
| 28 | 13 | S | Students of Surgery | Martin Brand | |
| 29 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 30 | — |  | TED Talks Science and Medicine | TED | |
| 31 | — |  | Because Language - a podcast about linguistics, the science of language. | Daniel Midgley, Ben Ainslie, and Hedvig Skirgård | |
| 32 | — |  | Let's Learn Everything! | Maximum Fun | |
| 33 | — | T | Tommy Cullum's Let's Get Freaky | Tommy Cullum | |
| 34 | 10 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 35 | 17 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 36 | 4 |  | Science Weekly | The Guardian | |
| 37 | 14 |  | Science In Action | BBC World Service | |
| 38 | 54 |  | Dr Giles Yeo Chews the Fat | Orion Publishing Ltd. | |
| 39 | 18 |  | Ancient Aliens | PodcastOne | |
| 40 | 18 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 41 | 21 | I | inControl | Alberto Padoan | |
| 42 | 85 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 43 | 9 |  | Science Vs | Spotify Studios | |
| 44 | 17 |  | LearningRadiology Video Podcasts | William Herring, MD, FACR | |
| 45 | — |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 46 | 131 |  | Big Picture Science | Big Picture Science | |
| 47 | — | S | Stanford Psychology Podcast | Stanford Psychology | |
| 48 | — |  | Flow Radio | Flow Research Collective | |
| 49 | 24 |  | The Plodcast | Our Media | |
| 50 | — | T | The Titanium Physicists Podcast | Brachiolope Media Network | |
| 51 | 22 |  | Podcast UFO | Martin Willis | |
| 52 | 22 |  | Great Mysteries of Physics | The Conversation | |
| 53 | 22 |  | BioCentury This Week | BioCentury | |
| 54 | — |  | Sky Tour Astronomy Podcast | American Astronomical Society | |
| 55 | — | S | Steve Reed Chats - UFOs, The Paranormal and Beyond | Steve Reed | |
| 56 | 50 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 57 | 19 |  | The Orthobullets Podcast | Orthobullets | |
| 58 | 7 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 59 | 19 | B | Boring History for Sleep | Velvet | |
| 60 | 5 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 61 | 15 |  | Science Magazine Podcast | Science Magazine | |
| 62 | 21 |  | Stanford Psychology Podcast | Stanford Psychology | |
| 63 | 4 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 64 | 15 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 65 | 105 |  | Astrum Space | Astrum | |
| 66 | — |  | Dr Karl Podcast | triplej | |
| 67 | 41 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 68 | 26 |  | The Futurists | Brett King, JP Nicols, Jason Henrichs | |
| 69 | 1 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 70 | 55 |  | Science Friday | Science Friday and WNYC Studios | |
| 71 | 21 |  | AcresUSA: Tractor Time | Tractor Time by Acres U.S.A. | |
| 72 | 24 |  | Somewhere in the Skies | SpectreVision Radio | |
| 73 | — |  | Nature Podcast | Springer Nature Limited | |
| 74 | 46 |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 75 | 38 |  | CrowdScience | BBC World Service | |
| 76 | 23 | S | Sci Guys | The Sci Guys | |
| 77 | 23 |  | Frankly Speaking About Family Medicine | Pri-Med | |
| 78 | 23 | T | The Engineering Buzzcast | The Engineering Buzzcast | |
| 79 | 23 |  | Freakonomics, M.D. | Freakonomics Radio + Stitcher | |
| 80 | 23 |  | So Cultured Podcast | Liv Grant & Taz Shipley | |
| 81 | 23 |  | The LIUniverse with Dr. Charles Liu | theliuniverse | |
| 82 | 23 | T | The India Energy Hour Presented by 101Reporters | 101Reporters | |
| 83 | 23 | N | NPP BrainPod | Springer Nature | |
| 84 | 23 | R | Rätsel des Unbewußten. Psychoanalyse & Psychotherapie. | Dr. Cécile Loetz & Dr. Jakob Müller | |
| 85 | 19 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 86 | 23 |  | The Science of Everything Podcast | James Fodor | |
| 87 | 10 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 88 | 22 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 89 | 13 | S | Sixième Science | 20 Minutes | |
| 90 | 43 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 91 | 15 |  | Ask a Spaceman! | Paul M. Sutter | |
| 92 | 28 | P | Psychology | Yale School of Medicine | |
| 93 | 55 |  | The world, the universe and us | New Scientist | |
| 94 | 19 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 95 | 17 |  | Universe Today Podcast | Fraser Cain | |
| 96 | 1 |  | Unexpected Elements | BBC World Service | |
| 97 | 28 |  | The Numberphile Podcast | Brady Haran | |
| 98 | 44 |  | Brave New Planet | Pushkin Industries | |
| 99 | 33 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 100 | 28 |  | Blurry Creatures | Blurry Creatures | |
