| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 3 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 6 | 3 |  | Science Vs | Spotify Studios | |
| 6 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | — |  | Radiolab | WNYC Studios | |
| 8 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 8 | 3 |  | Curious Cases | BBC Radio 4 | |
| 10 | 3 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 11 | 5 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 11 | 3 |  | Unexplainable | Vox | |
| 11 | 32 |  | BBC Inside Science | BBC Radio 4 | |
| 11 | 1 |  | Science Weekly | The Guardian | |
| 13 | 5 |  | The Psychology Podcast | iHeartPodcasts | |
| 14 | 171 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 14 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 15 | 5 |  | More or Less | BBC Radio 4 | |
| 15 | 3 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 16 | 9 |  | Short Wave | NPR | |
| 16 | 24 |  | The Life Scientific | BBC Radio 4 | |
| 17 | 5 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 17 | 2 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 17 | 16 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 19 | 4 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 19 | 3 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 21 | 3 | B | Boring History for Sleep | Velvet | |
| 21 | 1 |  | Babbage from The Economist | The Economist | |
| 22 | 3 |  | Blurry Creatures | Blurry Creatures | |
| 24 | 45 |  | Nature Podcast | Springer Nature Limited | |
| 25 | — |  | Dr Karl Podcast | triplej | |
| 25 | — |  | The Quanta Podcast | Quanta Magazine | |
| 26 | 7 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 27 | 10 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 27 | 169 | S | Students of Surgery | Martin Brand | |
| 28 | 6 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 29 | 4 |  | Speaking of Psychology | American Psychological Association | |
| 29 | 9 |  | Planet Em | Emily McDonald | |
| 30 | 9 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 30 | 29 |  | A Question of Science | The Francis Crick Institute | |
| 31 | 82 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 31 | 17 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 33 | 15 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 35 | 14 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 36 | 25 |  | Discovery | BBC World Service | |
| 37 | 6 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 37 | 43 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 38 | 5 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 38 | — |  | Medscape InDiscussion: Esophageal Cancer | Medscape | |
| 39 | 4 | W | Wildest Kruger Stories | Karolina Norée | |
| 39 | 7 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 40 | 4 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 40 | — |  | The Wild with Chris Morgan | KUOW News and Information | |
| 41 | — |  | The Dairy Podcast Show | Wisenetix | |
| 41 | 10 |  | New Books in Critical Theory | Marshall Poe | |
| 41 | — |  | The Biochar Show | The Biochar Show | |
| 42 | 55 |  | Curiosity Weekly | Discovery | |
| 44 | 10 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 44 | — |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 45 | — |  | Ophthalmology off the Grid by Eyetube | Eyetube | |
| 45 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 46 | 4 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 46 | — | T | The Hague Diplomacy Podcast | The Hague Diplomacy Podcast | |
| 46 | 81 | T | The Art of Mathematics | Carol Jacoby | |
| 47 | 11 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 47 | 71 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 48 | — |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 48 | — | M | Making Science with Tom Whipple | The Times | |
| 50 | 11 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 50 | — | M | Mendelspod Podcast | Theral Timpson | |
| 51 | — |  | That UFO Podcast | That UFO Podcast | |
| 51 | 87 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 51 | — | C | Cultures of Energy | Dominic Boyer | |
| 52 | 91 |  | Science In Action | BBC World Service | |
| 52 | — |  | Regenerative Agriculture Podcast | John Kempf | |
| 53 | 4 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 54 | 3 |  | This Week in Microbiology | Vincent Racaniello | |
| 55 | 36 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 55 | 3 |  | This Week in Neuroscience | Vincent Racaniello | |
| 56 | 11 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 56 | 11 |  | Professor Brian Cox Live Q and A Podcast | The Cosmic Shambles Network | |
| 57 | 7 |  | The Science of Birds | Ivan Phillipsen | |
| 57 | 2 | T | The Contemplative Science Podcast | Mark Miller | |
| 58 | 6 | L | Lasers in Skin | Lisa McMahon & Mike Murphy | |
| 58 | 4 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 60 | 3 | V | Veterinary Vertex | AVMA Journals | |
| 61 | 17 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 61 | 15 |  | American Innovations | Audible | |
| 61 | 47 |  | Science Magazine Podcast | Science Magazine | |
| 62 | 4 |  | Clinician's Brief: The Podcast | Clinician's Brief | |
| 63 | 60 |  | Radiowissen | Bayerischer Rundfunk | |
| 63 | 10 |  | Life's Little Mysteries | Live Science & Audioboom | |
| 64 | — | O | Oral-Maxillofacial Surgery Insights | Bruce A. Huberman DMD | |
| 65 | 5 | T | This Week In Weird And Wacky Science News | Sandra Moss | |
| 66 | — | L | Lifeworlds | Alexa Firmenich | |
| 66 | 5 | T | The Cosmic Companion - Astronomy, Space, Technology Advancing Humanity | Exploring the wonders of the Cosmos, one mystery at a time | |
| 66 | 21 |  | Unexpected Elements | BBC World Service | |
| 67 | 20 | S | S.H.E., M.D. | S.H.E.,M.D. | |
| 68 | 7 |  | Universe Today Podcast | Fraser Cain | |
