| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 2 | — |  | Ologies with Alie Ward | Alie Ward | |
| 3 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 5 | 2 |  | Radiolab | WNYC Studios | |
| 7 | 1 |  | Science Vs | Spotify Studios | |
| 7 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 7 | — |  | Curious Cases | BBC Radio 4 | |
| 8 | 4 | B | Boring History for Sleep | Velvet | |
| 8 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 4 |  | Unexplainable | Vox | |
| 8 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 10 | 3 |  | More or Less | BBC Radio 4 | |
| 14 | — |  | The world, the universe and us | New Scientist | |
| 14 | 1 |  | CrowdScience | BBC World Service | |
| 15 | 7 |  | Discovery | BBC World Service | |
| 16 | 3 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 16 | — |  | Science Weekly | The Guardian | |
| 17 | 4 |  | Unexpected Elements | BBC World Service | |
| 18 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 19 | 28 |  | Ancient Aliens | PodcastOne | |
| 19 | 4 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 21 | 3 |  | BBC Inside Science | BBC Radio 4 | |
| 21 | 16 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 22 | 1 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 22 | 12 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 22 | 19 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 23 | 23 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 23 | — |  | The Michael Shermer Show | Michael Shermer | |
| 23 | 5 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 25 | 9 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 25 | — |  | The Science of Birds | Ivan Phillipsen | |
| 26 | 37 |  | The Episodic Table of Elements | T. R. Appleton | |
| 27 | 1 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 27 | 6 |  | TheThinkingAtheist | The Thinking Atheist | |
| 28 | 5 |  | Radiowissen | Bayerischer Rundfunk | |
| 28 | 1 |  | Planet Em | Emily McDonald | |
| 29 | 9 |  | You Are Not So Smart | You Are Not So Smart | |
| 30 | 10 |  | Blurry Creatures | Blurry Creatures | |
| 31 | 8 |  | Science Friday | Science Friday and WNYC Studios | |
| 31 | 2 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 32 | 4 | W | Wildest Kruger Stories | Karolina Norée | |
| 32 | 15 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 32 | 26 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 33 | 9 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 36 | 5 |  | 6 Ranch Podcast | James Nash | |
| 37 | — |  | This Week in Virology | Vincent Racaniello | |
| 38 | 6 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 38 | — |  | Expanded Perspectives | Expanded Perspectives | |
| 38 | 14 |  | Living Planet | DW | |
| 39 | 4 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 40 | 38 |  | A Question of Science | The Francis Crick Institute | |
| 41 | 2 |  | IQ - Wissenschaft und Forschung | Bayerischer Rundfunk | |
| 42 | — |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 42 | 13 |  | Regenerative Agriculture Podcast | John Kempf | |
| 43 | 16 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 44 | 8 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 44 | 64 |  | Scotland Outdoors | BBC Radio Scotland | |
| 44 | 66 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 44 | 50 |  | Robinson's Podcast | Robinson Erhardt | |
| 44 | 13 |  | Cool Worlds Podcast | coolworldslab | |
| 45 | 42 |  | Speaking of Psychology | American Psychological Association | |
| 45 | 4 |  | The Life Scientific | BBC Radio 4 | |
| 46 | — |  | עושים היסטוריה עם רן לוי Osim Historia With Ran Levi | רשת עושים היסטוריה | |
| 47 | — | S | Stanford Psychology Podcast | Stanford Psychology | |
| 47 | 14 |  | This Week in Cardiology | Medscape | |
| 48 | 9 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 49 | 9 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 50 | 17 | P | Progressive Practice Podcast | Holle Wlokas & Tasneem Jhetam | |
| 51 | — | B | BJA: British Journal of Anaesthesia | Rik Thomas, Podcast Editor | |
| 51 | 20 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 51 | 16 |  | Let's Learn Everything! | Maximum Fun | |
| 52 | 15 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 53 | 13 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 55 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 56 | 7 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 57 | 5 | O | Oncology On The Go | CancerNetwork | |
| 57 | 21 |  | This Week in Space (Audio) | TWiT | |
| 58 | 17 |  | Nature Podcast | Springer Nature Limited | |
| 58 | 20 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 60 | 20 |  | The Orthobullets Podcast | Orthobullets | |
| 60 | — |  | Research To Practice | Oncology Videos | Dr Neil Love | |
| 60 | 6 | H | How We Treat: Colon and Rectal Cancer | Dana-Farber/Brigham and Women’s Cancer Center | |
| 61 | 15 |  | UFO Witnesses | UFO Witnesses | |
| 61 | — | T | This Wild Life Conservation Podcast | Amy Turner | |
| 61 | 12 |  | Science Magazine Podcast | Science Magazine | |
| 62 | 9 |  | The Science of Everything Podcast | James Fodor | |
| 63 | 52 |  | Astrum Space | Astrum | |
| 63 | — | L | Listen to Gynecologic Oncology | Gynecologic Oncology | |
| 64 | 12 | N | Naked Neuroscience, from the Naked Scientists | James Tytko | |
| 65 | 12 |  | The Common Descent Podcast | Common Descent | |
| 65 | — | P | PeerView Oncology & Hematology CME/CNE/CPE Audio Podcast | PVI, PeerView Institute for Medical Education | |
| 67 | 14 |  | Facts Machine | Facts Machine | |
| 67 | 32 |  | Science Quickly | Scientific American | |
| 68 | 13 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 68 | — | D | Dermatologic Oncology Update | Dr. Neil Love | |
| 68 | 6 |  | Babbage from The Economist | The Economist | |
| 69 | — | S | Society of Interventional Oncology Podcast | Society of Interventional Oncology | |
| 70 | — | C | COR2ED - Oncology Medical Conversation | COR2ED Medical Education | |
