| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 1 |  | The Rest Is Science | Goalhanger | |
| 3 | — |  | Radiolab | WNYC Studios | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 1 |  | Unexplainable | Vox | |
| 6 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 8 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 8 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 10 | — |  | Science Vs | Spotify Studios | |
| 10 | — |  | Science Weekly | The Guardian | |
| 11 | 3 |  | Blurry Creatures | Blurry Creatures | |
| 12 | 1 | B | Boring History for Sleep | Velvet | |
| 12 | — | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 13 | 4 |  | Curious Cases | BBC Radio 4 | |
| 16 | — |  | Speaking of Psychology | American Psychological Association | |
| 16 | 16 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 16 | 2 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 17 | — |  | Discovery | BBC World Service | |
| 17 | — |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 18 | 3 |  | Let's Learn Everything! | Maximum Fun | |
| 18 | 2 | S | Students of Surgery | Martin Brand | |
| 19 | 37 | W | Wildest Kruger Stories | Karolina Norée | |
| 19 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 19 | 3 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 21 | 61 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 22 | 15 |  | Science Friday | Science Friday and WNYC Studios | |
| 23 | 7 |  | Nature Podcast | Springer Nature Limited | |
| 23 | 4 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 24 | 5 |  | BBC Inside Science | BBC Radio 4 | |
| 24 | 7 |  | The Michael Shermer Show | Michael Shermer | |
| 24 | 70 | N | Not So Random Facts | Storyteller Entertainment | |
| 25 | 4 |  | Short Wave | NPR | |
| 25 | 5 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 26 | 4 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 26 | 5 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 27 | 13 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 28 | 3 |  | TheThinkingAtheist | The Thinking Atheist | |
| 30 | 12 |  | The Life Scientific | BBC Radio 4 | |
| 31 | 4 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 32 | 9 |  | More or Less | BBC Radio 4 | |
| 34 | — |  | The Science of Birds | Ivan Phillipsen | |
| 36 | — |  | Accidental Gods | Accidental Gods | |
| 36 | 9 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 37 | 3 |  | Sidenote by AsapSCIENCE | AsapSCIENCE | |
| 37 | 1 |  | Regenerative Agriculture Podcast | John Kempf | |
| 38 | — |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 41 | 1 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 41 | 11 |  | A Question of Science | The Francis Crick Institute | |
| 42 | 37 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 42 | 9 |  | Cool Worlds Podcast | coolworldslab | |
| 43 | 21 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 43 | 52 |  | Mythfits | Pionaire Podcasting | |
| 44 | 21 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 45 | — | T | The Intern At Work: Internal Medicine | Medicine Pods: The Intern at Work | |
| 45 | 1 |  | Skeptoid | Brian Dunning | |
| 45 | 9 | G | Guardians of the River | Wild Bird Trust, NGOWP, House of Pod | |
| 46 | 8 | W | White Coat, Black Art | CBC | |
| 46 | — | P | Plane Crash Diaries | Desmond Latham | |
| 47 | 20 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 47 | 2 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 48 | 1 |  | That UFO Podcast | That UFO Podcast | |
| 48 | — | T | The Human Risk Podcast | Human Risk | |
| 49 | — |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 49 | — |  | Stanford Medcast: Expert Voices in Medicine and Healthcare | Stanford University School of Medicine | |
| 49 | 8 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 50 | 7 |  | All In The Mind | ABC | |
| 50 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 50 | 13 | I | Into The Paranormal, Podcast With Tony Brueski | Real Story Media | |
| 51 | — |  | Hard Truths | Ashton Forbes | |
| 51 | 3 |  | This Week in Cardiology | Medscape | |
| 51 | 8 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 52 | — | N | New Scientist Weekly | New Scientist | |
| 53 | 64 | T | The Vertue Podcast | Shona Vertue | |
| 54 | 15 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 54 | 10 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 54 | 43 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 55 | — |  | Science Magazine Podcast | Science Magazine | |
| 56 | 59 |  | Ancient Aliens | PodcastOne | |
| 56 | 25 |  | How We're Wired | The Bertarelli Foundation | |
| 57 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 58 | 16 | S | Safari Stories | Trunks and Tracks | |
| 58 | 41 |  | Alive Again | iHeartPodcasts | |
| 59 | 95 | ![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 | |
| 59 | 43 |  | Babbage from The Economist | The Economist | |
| 60 | 13 |  | CrowdScience | BBC World Service | |
| 60 | 8 |  | You Are Not So Smart | You Are Not So Smart | |
| 60 | 34 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 60 | 10 |  | New Books in Critical Theory | Marshall Poe | |
| 61 | 12 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 62 | 9 |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 64 | 10 |  | The Jim Rutt Show | The Jim Rutt Show | |
| 64 | 52 | T | The Space Show by Dr. David Livingston | Dr. David M. Livingston | |
| 65 | 15 | O | Oxford Sparks Big Questions | Oxford Sparks | |
| 66 | 15 |  | Patient Zero | NHPR | |
| 66 | 7 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 67 | 9 |  | BrainStuff | iHeartPodcasts | |
| 67 | — | P | Physics World Stories Podcast | Physics World | |
| 67 | 28 |  | The Psychology Podcast | iHeartPodcasts | |
| 68 | — | L | Logically Answered | Logically Answered | |
