| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 2 | 2 |  | Radiolab | WNYC Studios | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | Science Vs | Spotify Studios | |
| 4 | 3 |  | Quirks and Quarks | CBC | |
| 5 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | — |  | Unexplainable | Vox | |
| 7 | 2 | W | White Coat, Black Art | CBC | |
| 8 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 10 | 1 | B | Boring History for Sleep | Velvet | |
| 11 | 1 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 12 | 1 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 12 | 1 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 13 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 13 | 1 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 14 | — |  | Short Wave | NPR | |
| 14 | 11 | T | This is Wild | Antica Productions, World Wildlife Fund Canada | |
| 15 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 16 | — |  | BBC Inside Science | BBC Radio 4 | |
| 16 | 5 |  | Curious Cases | BBC Radio 4 | |
| 19 | 4 |  | Science Friday | Science Friday and WNYC Studios | |
| 19 | 16 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 19 | 2 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 20 | — |  | Universe Today Podcast | Fraser Cain | |
| 20 | — |  | The Psychology Podcast | iHeartPodcasts | |
| 22 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 23 | 3 |  | Science Weekly | The Guardian | |
| 24 | 6 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 24 | — |  | The Nature Of with Willow Defebaugh | Atmos | |
| 25 | 2 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 26 | 1 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 26 | 9 |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 26 | 13 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 27 | 2 |  | The Threshold | Foreign Policy | |
| 27 | 3 |  | The Michael Shermer Show | Michael Shermer | |
| 29 | — |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 30 | 5 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 32 | 8 |  | Blurry Creatures | Blurry Creatures | |
| 32 | 4 |  | Overheard at National Geographic | National Geographic | |
| 34 | 6 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 35 | 9 |  | Speaking of Psychology | American Psychological Association | |
| 35 | 24 |  | CrowdScience | BBC World Service | |
| 36 | 81 |  | More or Less | BBC Radio 4 | |
| 37 | 12 |  | Nice Genes! | Genome BC | |
| 38 | 28 | W | What The Duck?! | ABC | |
| 40 | 7 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 41 | 18 |  | Get Obsessed : With Living Your Best Life | Julie Lokun and Mika Altidor | |
| 41 | 6 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 42 | 20 |  | Shot At Love | Kerry Brett | |
| 43 | 49 |  | Mysterious Universe | 8th Kind | |
| 44 | 3 |  | Bite Back with Abbey Sharp | Abbey Sharp / Frequency Podcast Network | |
| 45 | 11 |  | A Question of Science | The Francis Crick Institute | |
| 45 | 14 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 46 | 8 |  | The Quanta Podcast | Quanta Magazine | |
| 46 | 6 |  | That UFO Podcast | That UFO Podcast | |
| 47 | 1 |  | Discovery | BBC World Service | |
| 47 | 5 |  | The Warblers by Birds Canada | Birds Canada | |
| 49 | 4 |  | La Science, CQFD | France Culture | |
| 49 | 5 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 50 | — |  | Science Quickly | Scientific American | |
| 50 | 22 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 51 | 19 |  | The Observable Unknown | Dr. Juan Carlos Rey | |
| 51 | 24 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 51 | 12 |  | Let's Learn Everything! | Maximum Fun | |
| 52 | — |  | Science Magazine Podcast | Science Magazine | |
| 53 | 2 |  | All In The Mind | ABC | |
| 53 | 30 |  | Completely Arbortrary | Completely Arbortrary | |
| 55 | 29 |  | Unexpected Elements | BBC World Service | |
| 56 | 13 |  | TheThinkingAtheist | The Thinking Atheist | |
| 56 | 3 |  | Bigfoot Society | Jeremiah Byron | |
| 58 | 45 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 58 | 5 |  | The Science of Birds | Ivan Phillipsen | |
| 60 | — |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 60 | — | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 61 | 9 |  | Skeptoid | Brian Dunning | |
| 62 | 5 |  | Ancient Aliens | PodcastOne | |
| 62 | 17 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 64 | 4 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 65 | 5 |  | Curiosity Weekly | Discovery | |
| 66 | 2 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 67 | 49 |  | This Week in Virology | Vincent Racaniello | |
| 67 | 2 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 67 | 16 |  | Mythfits | Pionaire Podcasting | |
| 71 | 5 | L | Les années lumière | Radio-Canada | |
| 71 | 16 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 71 | 1 | D | Dose de psy: le podcast | Dre Janick Coutu, psychologue | |
| 73 | 14 |  | The Common Descent Podcast | Common Descent | |
| 73 | — |  | Astrum Space | Astrum | |
| 75 | — |  | Earthfiles Podcast with Linda Moulton Howe | Linda Moulton Howe | |
| 76 | 2 |  | The Life Scientific | BBC Radio 4 | |
| 76 | 1 |  | Mysterious Radio: Paranormal, UFO and Lore Interviews | Podcast Audio House | |
| 77 | 20 |  | The Couples Therapist Couch | Shane Birkel | |
| 77 | 19 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 78 | 5 |  | Nature Podcast | Springer Nature Limited | |
| 79 | 39 |  | Oceanography | Pine Forest Media | |
| 79 | 13 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 79 | — |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 80 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 82 | 4 |  | Babbage from The Economist | The Economist | |
| 82 | 4 |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
