| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 1 | 5 |  | The Rest Is Science | Goalhanger | |
| 3 | 1 |  | Radiolab | WNYC Studios | |
| 4 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | 3 |  | Quirks and Quarks | CBC | |
| 9 | 1 |  | Unexplainable | Vox | |
| 10 | 1 | B | Boring History for Sleep | Velvet | |
| 11 | — |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 11 | 3 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 12 | 1 | W | White Coat, Black Art | CBC | |
| 12 | — |  | Planet Em | Emily McDonald | |
| 13 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 14 | 4 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 17 | 4 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 18 | 2 |  | Short Wave | NPR | |
| 19 | 12 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 20 | 1 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 22 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 22 | 8 |  | Blurry Creatures | Blurry Creatures | |
| 23 | 2 |  | Science Friday | Science Friday and WNYC Studios | |
| 23 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 24 | 9 |  | The Psychology Podcast | iHeartPodcasts | |
| 24 | 4 | S | Sweet Little Human | Orkan Media | |
| 25 | 5 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 26 | 6 |  | Discovery | BBC World Service | |
| 27 | 5 |  | Universe Today Podcast | Fraser Cain | |
| 28 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 31 | 8 |  | Curious Cases | BBC Radio 4 | |
| 32 | 5 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 32 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 35 | 15 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 36 | 4 |  | All In The Mind | ABC | |
| 36 | 10 |  | The Michael Shermer Show | Michael Shermer | |
| 37 | — |  | Speaking of Psychology | American Psychological Association | |
| 38 | 8 |  | Nice Genes! | Genome BC | |
| 39 | 21 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 40 | — |  | Proxy with Yowei Shaw | Y3 Productions | |
| 40 | 7 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 41 | 8 |  | Astrum Space | Astrum | |
| 41 | 12 | T | This is Wild | Antica Productions, World Wildlife Fund Canada | |
| 43 | — |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 44 | 5 |  | Bigfoot Society | Jeremiah Byron | |
| 44 | 10 |  | La Science, CQFD | France Culture | |
| 44 | 12 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 47 | 8 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 48 | 13 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 49 | 13 |  | پادکست آذرخش مکری - azarakhsh mokri | nimac | |
| 50 | 13 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 53 | 9 |  | Overheard at National Geographic | National Geographic | |
| 53 | 3 |  | That UFO Podcast | That UFO Podcast | |
| 54 | 31 |  | Ask a Spaceman! | Paul M. Sutter | |
| 55 | 4 |  | The Quanta Podcast | Quanta Magazine | |
| 55 | 8 |  | TheThinkingAtheist | The Thinking Atheist | |
| 56 | 19 |  | Drilled | Pushkin Industries | |
| 57 | 40 |  | The Science of Birds | Ivan Phillipsen | |
| 57 | 4 |  | Science Quickly | Scientific American | |
| 59 | 21 |  | More or Less | BBC Radio 4 | |
| 61 | 13 |  | Astronomy Cast | Fraser Cain and Dr. Pamela Gay | |
| 62 | 20 |  | Big Picture Science | Big Picture Science | |
| 63 | 31 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 64 | 5 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 64 | 19 |  | Science unscripted | DW | |
| 64 | 39 | L | Les voies métaboliques | Société québécoise de lipidologie, de nutrition et de métabolisme (SQLNM) | |
| 65 | 15 |  | Skeptoid | Brian Dunning | |
| 66 | 8 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 66 | 25 |  | Mysterious Universe | 8th Kind | |
| 67 | 49 |  | The Micah Hanks Program | Micah Hanks | |
| 68 | 82 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 70 | — | W | Women's Health Interrupted with Dr. Liisa Galea | Dr Liisa Galea | |
| 71 | 58 |  | Planet Visionaries – SEASON 5 | A podcast in partnership with The Rolex Perpetual Planet Initiative | |
| 74 | 20 |  | Nature Podcast | Springer Nature Limited | |
| 77 | 50 |  | New Books in Critical Theory | Marshall Poe | |
| 79 | 12 |  | BirdNote Daily | BirdNote | |
| 80 | 11 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 80 | 2 |  | Mystères et étoiles | Zebroloss | |
| 81 | 25 |  | La Conversation scientifique | France Culture | |
| 81 | 1 |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 83 | 17 |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 85 | 24 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 85 | 9 |  | Ancient Aliens | PodcastOne | |
| 86 | 7 |  | Let's Learn Everything! | Maximum Fun | |
| 87 | 19 |  | Public Health is Dead | Public Health is Dead | |
| 88 | 29 |  | Babbage from The Economist | The Economist | |
| 89 | 25 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 90 | 3 |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 90 | 42 |  | The world, the universe and us | New Scientist | |
| 91 | 10 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 92 | 6 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 94 | 7 |  | The Science Show | ABC | |
| 94 | 2 |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 95 | 25 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 95 | 25 |  | The Life Scientific | BBC Radio 4 | |
| 97 | 10 |  | Scotland Outdoors | BBC Radio Scotland | |
| 98 | 18 |  | Robinson's Podcast | Robinson Erhardt | |
| 98 | 5 |  | Paranormal Portal | Brent Thomas | |
| 99 | 13 |  | The Market Gardener Podcast | JM Fortier | |
| 101 | 17 |  | Outside/In | NHPR | |
| 103 | 11 |  | The Warblers by Birds Canada | Birds Canada | |
| 103 | — |  | Opinionated History of Mathematics | Intellectual Mathematics | |
