| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 2 | — |  | Radiolab | WNYC Studios | |
| 3 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 1 |  | Quirks and Quarks | CBC | |
| 6 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | 1 | W | White Coat, Black Art | CBC | |
| 8 | 1 |  | Unexplainable | Vox | |
| 9 | 1 | B | Boring History for Sleep | Velvet | |
| 10 | 2 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 11 | 6 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 13 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 13 | 3 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 13 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 14 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 17 | 2 |  | Curious Cases | BBC Radio 4 | |
| 17 | 1 |  | Short Wave | NPR | |
| 18 | 8 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 19 | 3 |  | Science Friday | Science Friday and WNYC Studios | |
| 19 | 1 |  | Universe Today Podcast | Fraser Cain | |
| 19 | — | S | Sweet Little Human | Orkan Media | |
| 19 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 20 | 3 |  | More or Less | BBC Radio 4 | |
| 22 | 11 |  | Planet Em | Emily McDonald | |
| 23 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 23 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 23 | 6 |  | Blurry Creatures | Blurry Creatures | |
| 24 | 16 |  | All In The Mind | ABC | |
| 24 | 11 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 24 | 8 |  | La Science, CQFD | France Culture | |
| 25 | 5 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 26 | 8 |  | The Psychology Podcast | iHeartPodcasts | |
| 28 | — |  | The world, the universe and us | New Scientist | |
| 30 | 1 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 30 | 6 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 31 | 16 |  | Speaking of Psychology | American Psychological Association | |
| 34 | 7 |  | Nature Podcast | Springer Nature Limited | |
| 34 | 11 |  | Bigfoot Society | Jeremiah Byron | |
| 35 | 24 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 35 | 13 | T | This is Wild | Antica Productions, World Wildlife Fund Canada | |
| 36 | 20 |  | That UFO Podcast | That UFO Podcast | |
| 37 | 17 |  | Science unscripted | DW | |
| 37 | 5 |  | Mysterious Universe | 8th Kind | |
| 39 | 4 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 39 | 10 |  | The Michael Shermer Show | Michael Shermer | |
| 40 | 17 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 42 | 16 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 44 | 21 |  | This Week in Virology | Vincent Racaniello | |
| 44 | — |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 45 | 17 |  | Unexpected Elements | BBC World Service | |
| 47 | 6 |  | Overheard at National Geographic | National Geographic | |
| 47 | 3 |  | TheThinkingAtheist | The Thinking Atheist | |
| 48 | 23 |  | The Quanta Podcast | Quanta Magazine | |
| 50 | 16 |  | Science Magazine Podcast | Science Magazine | |
| 50 | 19 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 50 | 5 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 51 | 10 |  | The Warblers by Birds Canada | Birds Canada | |
| 52 | 11 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 53 | 37 |  | The Science of Birds | Ivan Phillipsen | |
| 53 | 11 |  | Discovery | BBC World Service | |
| 54 | 6 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 55 | 15 |  | Astrum Space | Astrum | |
| 56 | 23 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 58 | 22 |  | Outside/In | NHPR | |
| 59 | 13 |  | Ask a Spaceman! | Paul M. Sutter | |
| 60 | 36 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 61 | 7 |  | Science Quickly | Scientific American | |
| 61 | 47 |  | La Conversation scientifique | France Culture | |
| 62 | 5 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 63 | 29 |  | Skeptoid | Brian Dunning | |
| 63 | 131 | C | Choses à Savoir SCIENCES | Choses à Savoir | |
| 63 | 15 | W | What The Duck?! | ABC | |
| 64 | 21 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 66 | 44 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 66 | 8 |  | Ancient Aliens | PodcastOne | |
| 67 | 48 |  | Scotland Outdoors | BBC Radio Scotland | |
| 69 | 14 |  | Public Health is Dead | Public Health is Dead | |
| 70 | 28 |  | The Micah Hanks Program | Micah Hanks | |
| 70 | 16 |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 72 | 22 |  | Let's Learn Everything! | Maximum Fun | |
| 73 | 3 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 76 | 25 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 76 | 5 |  | Nice Genes! | Genome BC | |
| 77 | 5 |  | Bigfoot and Beyond with Cliff and Bobo | Bigfoot and Beyond LLC | |
| 77 | 23 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 77 | 12 |  | Completely Arbortrary | Completely Arbortrary | |
| 78 | 9 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 78 | 10 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 79 | 41 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 81 | 26 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 84 | 46 |  | SciShow Tangents | Complexly | |
| 84 | 52 |  | پادکست آذرخش مکری - azarakhsh mokri | nimac | |
| 84 | 68 |  | Mystères et étoiles | Zebroloss | |
| 85 | 28 |  | Living Planet | DW | |
| 85 | 19 |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 85 | 26 |  | The Episodic Table of Elements | T. R. Appleton | |
| 86 | 42 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 88 | 7 |  | Drilled | Pushkin Industries | |
| 89 | 54 |  | Podcast UFO | Martin Willis | |
| 89 | 46 |  | Unbiased Science | @unbiasedscipod | |
| 91 | — |  | The Market Gardener Podcast | JM Fortier | |
