| 1 | — |  | The Rest Is Science | Goalhanger | |
| 1 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 5 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 1 |  | Radiolab | WNYC Studios | |
| 4 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 2 |  | Unexplainable | Vox | |
| 7 | — |  | The Naked Scientists Podcast | The Naked Scientists | |
| 9 | 2 |  | Science Vs | Spotify Studios | |
| 9 | 7 |  | Science Weekly | The Guardian | |
| 10 | 2 | B | Boring History for Sleep | Velvet | |
| 11 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 11 | 11 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 12 | 5 |  | Curious Cases | BBC Radio 4 | |
| 13 | 3 |  | More or Less | BBC Radio 4 | |
| 14 | — |  | The world, the universe and us | New Scientist | |
| 14 | 1 |  | Discovery | BBC World Service | |
| 15 | 3 |  | The Psychology Podcast | iHeartPodcasts | |
| 16 | 28 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 16 | 36 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 18 | 14 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 19 | 3 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 19 | 5 |  | CrowdScience | BBC World Service | |
| 19 | — |  | Pri-Med Podcasts | Pri-Med | |
| 21 | 2 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 22 | 6 |  | Planet Em | Emily McDonald | |
| 22 | 23 |  | The Life Scientific | BBC Radio 4 | |
| 22 | 9 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 23 | 2 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 24 | 1 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 25 | 7 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 25 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 26 | 4 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 26 | 3 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 27 | 2 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 27 | 57 |  | Universe Today Podcast | Fraser Cain | |
| 27 | — |  | Lingthusiasm - A podcast that's enthusiastic about linguistics | Gretchen McCulloch and Lauren Gawne | |
| 27 | 4 |  | Science Friday | Science Friday and WNYC Studios | |
| 28 | — | T | TSRA Podcast | TSRA | |
| 29 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 29 | 11 |  | A Question of Science | The Francis Crick Institute | |
| 30 | 70 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 30 | 3 |  | TheThinkingAtheist | The Thinking Atheist | |
| 31 | 5 |  | The Episodic Table of Elements | T. R. Appleton | |
| 32 | — | Y | Your Family's Health | 90.3 WHPC | |
| 33 | 5 |  | Expanded Perspectives | Expanded Perspectives | |
| 33 | 8 |  | The Science of Birds | Ivan Phillipsen | |
| 34 | 82 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 34 | 4 |  | Blurry Creatures | Blurry Creatures | |
| 35 | 13 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 36 | 55 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 38 | — |  | Paranormal Portal | Brent Thomas | |
| 39 | 62 |  | Drilled | Pushkin Industries | |
| 39 | 16 |  | The Michael Shermer Show | Michael Shermer | |
| 40 | 12 |  | Radiowissen | Bayerischer Rundfunk | |
| 40 | 4 |  | Scotland Outdoors | BBC Radio Scotland | |
| 40 | 13 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 41 | 9 | W | Wildest Kruger Stories | Karolina Norée | |
| 42 | — |  | EverydaySpy Podcast | Andrew Bustamante | |
| 43 | 105 |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 43 | — | C | Cold Steel: Canadian Journal of Surgery Podcast | Canadian Journal of Surgery | |
| 44 | — |  | Why Do We Do That? | BBC Radio 4 | |
| 45 | — |  | Speaking of Psychology | American Psychological Association | |
| 45 | 41 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 45 | 110 |  | Slow Radio | BBC Radio 3 | |
| 46 | 4 |  | PlanetGeo: The Geology Podcast | Chris and Jesse | |
| 47 | — |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 47 | 4 |  | Let's Learn Everything! | Maximum Fun | |
| 47 | 30 |  | Unexpected Elements | BBC World Service | |
| 48 | 29 |  | Ancient Aliens | PodcastOne | |
| 48 | 104 |  | New Books in Critical Theory | Marshall Poe | |
| 49 | 2 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 49 | 52 |  | Short Wave | NPR | |
| 49 | 2 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 50 | 6 |  | Robinson's Podcast | Robinson Erhardt | |
| 51 | 41 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 52 | 6 |  | עושים היסטוריה עם רן לוי Osim Historia With Ran Levi | רשת עושים היסטוריה | |
| 52 | 41 |  | All In The Mind | ABC | |
| 53 | 79 |  | La Science, CQFD | France Culture | |
| 53 | 2 | B | BJA: British Journal of Anaesthesia | Rik Thomas, Podcast Editor | |
| 53 | 110 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 54 | 16 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 55 | 41 |  | Das Wissen | SWR | SWR | |
| 55 | 8 |  | This Week in Cardiology | Medscape | |
| 56 | 12 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 56 | — |  | The Wild with Chris Morgan | KUOW News and Information | |
| 57 | 68 |  | BrainStuff | iHeartPodcasts | |
| 57 | 44 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 57 | 20 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 57 | 13 |  | Cool Worlds Podcast | coolworldslab | |
| 59 | 26 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 60 | — |  | The Orthobullets Podcast | Orthobullets | |
| 60 | 17 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 61 | 12 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 62 | 121 |  | Big Picture Science | Big Picture Science | |
| 62 | 14 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 63 | — | P | Parrot Stars Podcast | Parrot Stars | |
| 63 | 27 |  | 6 Ranch Podcast | James Nash | |
| 64 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
