| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 2 |  | Radiolab | WNYC Studios | |
| 2 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | 1 |  | Science Vs | Spotify Studios | |
| 8 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 9 | 3 |  | Unexplainable | Vox | |
| 9 | — |  | Curious Cases | BBC Radio 4 | |
| 10 | — |  | More or Less | BBC Radio 4 | |
| 12 | — |  | BBC Inside Science | BBC Radio 4 | |
| 12 | 1 | B | Boring History for Sleep | Velvet | |
| 13 | 25 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 13 | — |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 13 | 2 |  | Babbage from The Economist | The Economist | |
| 14 | — |  | Discovery | BBC World Service | |
| 15 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 15 | 2 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 15 | 27 |  | Science Friday | Science Friday and WNYC Studios | |
| 16 | 6 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 16 | — |  | The world, the universe and us | New Scientist | |
| 18 | 5 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 18 | — | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 19 | 3 |  | Science Weekly | The Guardian | |
| 20 | 9 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 20 | — |  | Regenerative Agriculture Podcast | John Kempf | |
| 21 | 2 |  | Unexpected Elements | BBC World Service | |
| 22 | 81 |  | CrowdScience | BBC World Service | |
| 22 | — |  | Astrum Space | Astrum | |
| 22 | 3 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 22 | 8 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 22 | 22 |  | You Are Not So Smart | You Are Not So Smart | |
| 23 | 64 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 23 | — |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 25 | — |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 26 | — |  | Speaking of Psychology | American Psychological Association | |
| 26 | 2 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 26 | 7 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 27 | — |  | Leaked | TFLabs | |
| 28 | — |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 30 | — |  | Overheard at National Geographic | National Geographic | |
| 30 | — |  | This Week in Virology | Vincent Racaniello | |
| 31 | — | S | Safari Stories | Trunks and Tracks | |
| 31 | 19 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 32 | 14 |  | Ancient Aliens | PodcastOne | |
| 33 | — | T | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 34 | 6 |  | Blurry Creatures | Blurry Creatures | |
| 35 | 10 |  | Living Planet | DW | |
| 35 | — | T | There's No Such Thing As A Dumb Question | There's No Such Thing As A Dumb Question | |
| 36 | — | S | Stream Full Audiobook in Science & Technology, Psychology & The Mind | hotaudiobook.com | |
| 36 | 6 |  | The Psychology Podcast | iHeartPodcasts | |
| 37 | — |  | Crazy Town | Post Carbon Institute | |
| 37 | — |  | Accidental Gods | Accidental Gods | |
| 39 | 14 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 39 | — | S | Students of Surgery | Martin Brand | |
| 40 | 40 |  | Species | mackenmurphy.org | |
| 40 | 17 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 41 | 3 |  | Nature Podcast | Springer Nature Limited | |
| 41 | 43 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 41 | — |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 42 | — |  | The Astrophysics Podcast | Paul Duffell | |
| 43 | 20 |  | Science Magazine Podcast | Science Magazine | |
| 43 | 132 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 43 | — | P | PhD Unplugged | PhD Unplugged | |
| 44 | — |  | Bedtime Astronomy | Synthetic Universe | |
| 45 | 4 |  | Going Wild with Dr. Rae Wynn-Grant | PBS Nature | |
| 46 | 4 |  | Evidence Based Podcasts in Paediatric Surgery | Hemanshoo Thakkar | |
| 46 | 15 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 46 | — | T | The Human Intelligence Podcast | IQ & Human Intelligence by Riot IQ | |
| 46 | 11 |  | The Michael Shermer Show | Michael Shermer | |
| 47 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 47 | — | T | The Integration Station | Michael Crisci, Eleanor White | |
| 48 | 27 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 49 | 139 | J | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 49 | 29 |  | Das Wissen | SWR | SWR | |
| 49 | — |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 50 | 26 |  | TheThinkingAtheist | The Thinking Atheist | |
| 50 | — |  | Shocked | UChicago Institute for Climate and Sustainable Growth, Michael Greenstone, Amy Harder | |
| 51 | 13 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 52 | 1 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 55 | 4 |  | Short Wave | NPR | |
| 56 | 20 |  | Planet Em | Emily McDonald | |
| 56 | 24 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 58 | 38 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 61 | 16 | V | Viced Rhino: The Podcast | Viced Rhino | |
| 61 | 3 |  | Mysterious Universe | 8th Kind | |
| 62 | 61 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 62 | 9 |  | The Quanta Podcast | Quanta Magazine | |
| 65 | — |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 67 | 4 | W | Wildest Kruger Stories | Karolina Norée | |
| 69 | 32 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 71 | — |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 71 | 34 |  | Podcast UFO | Martin Willis | |
| 72 | 7 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 72 | 6 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 73 | — |  | UAP Unidentified Alien Podcast | Gamut Podcast Network | |
| 73 | 50 | T | The Vertue Podcast | Shona Vertue | |
| 74 | — |  | SciShow Tangents | Complexly | |
