| 1 | — |  | The Rest Is Science | Goalhanger | |
| 1 | 4 |  | Radiolab | WNYC Studios | |
| 2 | — |  | Ologies with Alie Ward | Alie Ward | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — |  | Unexplainable | Vox | |
| 4 | 2 |  | More or Less | BBC Radio 4 | |
| 4 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 6 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 6 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 7 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 9 | 39 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 11 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 11 | 1 |  | Curious Cases | BBC Radio 4 | |
| 12 | 80 |  | CrowdScience | BBC World Service | |
| 12 | 15 | A | Alles ist Chemie | Nicholas Jankowski | |
| 12 | 4 |  | Science Weekly | The Guardian | |
| 13 | 1 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 13 | 173 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 13 | 1 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 13 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | 11 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 14 | — | B | Boring History for Sleep | Velvet | |
| 14 | 14 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 15 | 1 |  | Blurry Creatures | Blurry Creatures | |
| 15 | 1 |  | Regenerative Agriculture Podcast | John Kempf | |
| 15 | 8 |  | Science Friday | Science Friday and WNYC Studios | |
| 16 | 2 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 16 | — |  | Ask the Naked Scientists | Dr Chris Smith | |
| 17 | 3 |  | Discovery | BBC World Service | |
| 17 | 2 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 17 | 79 |  | The Story Collider | Story Collider, Inc. | |
| 18 | — |  | Astrum Space | Astrum | |
| 19 | — |  | That UFO Podcast | That UFO Podcast | |
| 19 | 12 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 20 | 6 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 21 | 2 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 21 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 23 | 6 |  | Science Vs | Spotify Studios | |
| 23 | 1 |  | Babbage from The Economist | The Economist | |
| 24 | 1 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 25 | 5 |  | Living Planet | DW | |
| 25 | — | T | The PathPod Podcast | PathPod | |
| 26 | 8 |  | Planet Em | Emily McDonald | |
| 26 | 25 |  | Short Wave | NPR | |
| 30 | 13 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 31 | 10 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
| 32 | 13 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 32 | 57 |  | Unexpected Elements | BBC World Service | |
| 32 | 6 |  | The Michael Shermer Show | Michael Shermer | |
| 34 | — |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 34 | 74 |  | Universe Today Podcast | Fraser Cain | |
| 35 | — |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 35 | 132 |  | The Grave Talks | Haunted, Paranormal & Supernatural | Ghost Stores, Haunted, Paranormal & Supernatural Stories | |
| 35 | 5 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 37 | — |  | Leaked | TFLabs | |
| 37 | 58 |  | You Are Not So Smart | You Are Not So Smart | |
| 38 | — |  | Scotland Outdoors | BBC Radio Scotland | |
| 38 | — |  | Dope Labs | iHeartPodcasts | |
| 39 | 7 |  | Planet Visionaries – SEASON 5 | A podcast in partnership with The Rolex Perpetual Planet Initiative | |
| 40 | 16 |  | Overheard at National Geographic | National Geographic | |
| 40 | — |  | IQ - Wissenschaft und Forschung | Bayerischer Rundfunk | |
| 41 | 6 |  | The Orthobullets Podcast | Orthobullets | |
| 42 | 3 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 42 | 2 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 42 | 31 |  | Science Magazine Podcast | Science Magazine | |
| 44 | 10 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 45 | — |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 46 | — | T | The Upper Hand: Chuck & Chris Talk Hand Surgery | Chuck and Chris | |
| 46 | 8 |  | Science Quickly | Scientific American | |
| 47 | — |  | A Life More Wild | Canopy & Stars | |
| 47 | — |  | EverydaySpy Podcast | Andrew Bustamante | |
| 48 | 19 | I | International Law | Yale Law School | |
| 49 | — | T | The Engineering Commons Podcast | The Engineering Commons Podcast | |
| 49 | 7 |  | TheThinkingAtheist | The Thinking Atheist | |
| 49 | 3 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 49 | — |  | Let's Learn Everything! | Maximum Fun | |
| 50 | — |  | LearningRadiology Video Podcasts | William Herring, MD, FACR | |
| 51 | — | T | The Titanium Physicists Podcast | Brachiolope Media Network | |
| 52 | — | G | Geschichten aus der Mathematik | detektor.fm – Das Podcast-Radio | |
| 52 | 71 | T | The Genetics Podcast | Sano Genetics | |
| 53 | — | D | Die großen Rätsel der modernen Physik | Alexander Wolf | |
| 53 | 99 |  | The Micah Hanks Program | Micah Hanks | |
| 54 | — |  | The Future of Everything | Stanford Engineering | |
| 54 | 23 |  | The Common Descent Podcast | Common Descent | |
| 54 | 16 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 55 | 1 | R | Reviving Growth Keynesianism | Robert Manduca and Nic Johnson | |
| 56 | 37 |  | All In The Mind | ABC | |
| 56 | 12 |  | Speaking of Psychology | American Psychological Association | |
| 56 | 15 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 57 | 66 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 57 | — | D | Digital Pathology Podcast | Aleksandra Zuraw, DVM, PhD | |
| 57 | 3 |  | Ancient Aliens | PodcastOne | |
| 58 | — |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 58 | 10 |  | Breaking Math Podcast | Autumn Phaneuf & Noah Giansiracusa | |
| 58 | 136 |  | Astronomy Daily: Space News Updates | bitesz.com | |
| 59 | — |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 60 | — |  | Emergency Medicine Board Bombs | EM Board Bombs | |
| 60 | 13 |  | A Question of Science | The Francis Crick Institute | |
| 61 | 7 | T | The Brain and Brand Show | Podcast Party | |
| 61 | — |  | Great Mysteries of Physics | The Conversation | |
