| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 3 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 2 |  | Radiolab | WNYC Studios | |
| 5 | 1 |  | Quirks and Quarks | CBC | |
| 6 | — |  | Science Vs | Spotify Studios | |
| 7 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 7 | — | B | Boring History for Sleep | Velvet | |
| 7 | — |  | The Rest Is Science | Goalhanger | |
| 8 | 1 | W | White Coat, Black Art | CBC | |
| 9 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 11 | 3 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 11 | 4 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 14 | 2 |  | Short Wave | NPR | |
| 14 | 1 |  | Unexplainable | Vox | |
| 15 | 4 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 17 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 17 | 3 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 18 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 19 | 10 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 21 | 1 |  | Science Friday | Science Friday and WNYC Studios | |
| 21 | 1 |  | Science Weekly | The Guardian | |
| 21 | 4 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 22 | 9 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 22 | 1 |  | More or Less | BBC Radio 4 | |
| 23 | 4 |  | Universe Today Podcast | Fraser Cain | |
| 23 | 22 |  | Mythfits | Pionaire Podcasting | |
| 25 | 5 |  | Discovery | BBC World Service | |
| 25 | 12 |  | Blurry Creatures | Blurry Creatures | |
| 26 | 3 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 27 | 6 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 28 | 3 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 30 | 47 |  | The Warblers by Birds Canada | Birds Canada | |
| 31 | 5 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 31 | 12 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 33 | 5 | S | Science Radio | Studio SF | |
| 34 | 3 |  | Curious Cases | BBC Radio 4 | |
| 34 | 11 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 34 | 5 |  | Bigfoot Society | Jeremiah Byron | |
| 35 | — |  | That UFO Podcast | That UFO Podcast | |
| 35 | 1 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 36 | 2 |  | Planet Em | Emily McDonald | |
| 38 | 18 |  | The Michael Shermer Show | Michael Shermer | |
| 38 | 5 |  | La Science, CQFD | France Culture | |
| 40 | 9 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 41 | 8 |  | Overheard at National Geographic | National Geographic | |
| 42 | 4 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 44 | 13 |  | Astrum Space | Astrum | |
| 45 | 13 |  | BBC Inside Science | BBC Radio 4 | |
| 45 | 6 |  | Speaking of Psychology | American Psychological Association | |
| 46 | 79 |  | The Micah Hanks Program | Micah Hanks | |
| 47 | 5 |  | The Science of Birds | Ivan Phillipsen | |
| 47 | 13 |  | Leaked | TFLabs | |
| 48 | 17 |  | All In The Mind | ABC | |
| 49 | 3 |  | Operation Night Cat | New Hampshire Public Radio | |
| 50 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 52 | 12 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 52 | 5 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 53 | 1 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 53 | 19 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 54 | 16 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 55 | 3 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 58 | 8 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 60 | 28 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 61 | 23 |  | You Are Not So Smart | You Are Not So Smart | |
| 63 | 3 |  | The Psychology Podcast | iHeartPodcasts | |
| 63 | 42 |  | Outside/In | NHPR | |
| 63 | 14 |  | Ask a Spaceman! | Paul M. Sutter | |
| 63 | 7 |  | Let's Learn Everything! | Maximum Fun | |
| 64 | 5 |  | The Quanta Podcast | Quanta Magazine | |
| 64 | 14 |  | TheThinkingAtheist | The Thinking Atheist | |
| 65 | 24 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 66 | 3 | L | Les années lumière | Radio-Canada | |
| 66 | 4 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 67 | 8 |  | Skeptoid | Brian Dunning | |
| 68 | 3 |  | The Common Descent Podcast | Common Descent | |
| 68 | 20 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 69 | 23 |  | Big Picture Science | Big Picture Science | |
| 70 | 8 |  | Completely Arbortrary | Completely Arbortrary | |
| 72 | 10 |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 74 | 8 |  | Science unscripted | DW | |
| 74 | 29 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 75 | 16 |  | Instant Genius | Our Media | |
| 75 | 15 |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 77 | 15 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 78 | 12 |  | Science Quickly | Scientific American | |
| 78 | 16 | L | La Terre au carré | France Inter | |
| 80 | 27 |  | Ancient Aliens | PodcastOne | |
| 80 | 4 |  | Babbage from The Economist | The Economist | |
| 80 | 22 |  | CrowdScience | BBC World Service | |
| 80 | 20 |  | Expanded Perspectives | Expanded Perspectives | |
| 81 | 26 |  | The Life Scientific | BBC Radio 4 | |
| 82 | 11 |  | 洪晃|晃然大悟 | 洪晃|晃然大悟 | |
| 83 | 28 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 83 | 81 |  | Podcast UFO | Martin Willis | |
| 85 | 44 | C | Choses à Savoir SCIENCES | Choses à Savoir | |
| 86 | 6 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 87 | 19 |  | Bedtime Astronomy | Synthetic Universe | |
| 88 | 8 |  | Science Magazine Podcast | Science Magazine | |
| 88 | 10 |  | La Conversation scientifique | France Culture | |
