| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 4 | — |  | When Science Finds a Way | Wellcome | |
| 5 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 3 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 5 | — |  | More or Less | BBC Radio 4 | |
| 6 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 7 | 1 |  | Curious Cases | BBC Radio 4 | |
| 8 | 32 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 8 | 15 |  | CrowdScience | BBC World Service | |
| 9 | 5 |  | Science Vs | Spotify Studios | |
| 11 | 2 |  | Discovery | BBC World Service | |
| 12 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | 6 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 15 | 1 | A | ASPEN Podcasts | ASPEN Podcasts | |
| 16 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 17 | 77 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 18 | — |  | The world, the universe and us | New Scientist | |
| 19 | 5 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 20 | 5 | B | Boring History for Sleep | Velvet | |
| 21 | 4 |  | Living Planet | DW | |
| 21 | 4 |  | Science Weekly | The Guardian | |
| 22 | 10 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 22 | 65 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 23 | — | T | Theoretical Neuroscience Podcast | Gaute Einevoll | |
| 24 | — |  | Flash Forward | Rose Eveleth | |
| 24 | 6 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 24 | — |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 25 | — |  | Self-Improvement Atlas: The Personal Science Insights Podcast | Life Management Science Labs | |
| 25 | 4 |  | Overheard at National Geographic | National Geographic | |
| 27 | 3 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 27 | — |  | Nature Podcast | Springer Nature Limited | |
| 30 | 6 |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 30 | 7 |  | Universe Today Podcast | Fraser Cain | |
| 31 | 14 |  | Speaking of Psychology | American Psychological Association | |
| 31 | 3 | M | Mathematics Simplified | Anjali Sharma | |
| 34 | 12 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 37 | 2 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 37 | 40 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 38 | 6 |  | This Week in Virology | Vincent Racaniello | |
| 38 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 39 | — | P | Proteomics in Proximity | Olink Proteomics | |
| 40 | — | L | Let's Talk Science with Thuli | Thulile Khanyile | |
| 42 | 32 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 43 | — | A | Ask the Naked Scientists | Dr Chris Smith | |
| 44 | 72 | U | Unpopular Neuroscience | Patrick D. Watson | |
| 44 | 16 |  | Bigfoot Society | Jeremiah Byron | |
| 45 | 19 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 45 | 137 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 46 | 7 |  | Babbage from The Economist | The Economist | |
| 47 | — |  | La Conversation scientifique | France Culture | |
| 47 | 46 |  | BrainStuff | iHeartPodcasts | |
| 48 | 68 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 49 | — |  | Stanford Psychology Podcast | Stanford Psychology | |
| 49 | 19 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 52 | 14 |  | This Week in Microbiology | Vincent Racaniello | |
| 53 | 10 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 54 | 43 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 54 | — |  | Cited Podcast | Cited Media | |
| 55 | 18 |  | The Michael Shermer Show | Michael Shermer | |
| 56 | 9 |  | Science Friday | Science Friday and WNYC Studios | |
| 56 | — | N | Neuroverse | Carolina Soares and Clara Lenherr | |
| 58 | 4 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 59 | 9 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 59 | 55 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 59 | 119 | T | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 60 | — |  | Bigfoot Eyewitness Radio | Vic Cundiff | |
| 61 | 19 |  | Dharma Lab | Dharma Lab | |
| 62 | 19 |  | TED Talks Science and Medicine | TED | |
| 63 | 55 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 63 | 8 |  | This Week in Space (Audio) | TWiT | |
| 65 | 53 |  | This Week in Virology | Vincent Racaniello | |
| 66 | 21 | J | Journal of the American Academy of Child and Adolescent Psychiatry | American Academy of Child and Adolescent Psychiatry | |
| 67 | 19 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 68 | 21 | C | Cows and Effect | Paul Allison and Michael Blanche | |
| 69 | 8 | F | Farming Today | BBC Radio 4 | |
| 70 | 34 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 72 | 21 | S | Science + God with Dr. G | AccessMore | |
| 73 | 21 |  | The Archaeology Show | Archaeology Podcast Network | |
| 73 | 15 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 74 | 21 |  | The Gene Gap: Common threads | The Guardian | |
| 75 | — |  | Radiowissen | Bayerischer Rundfunk | |
| 78 | 23 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 79 | 26 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 79 | 30 | T | The Art of Mathematics | Carol Jacoby | |
| 81 | 5 |  | This Week in Cardiology | Medscape | |
| 82 | 14 |  | Cool Worlds Podcast | coolworldslab | |
| 84 | 1 |  | Short Wave | NPR | |
| 85 | 25 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 87 | 16 |  | Patient Zero | NHPR | |
| 90 | 25 | U | Urban Radar | Tom Goodfellow and Beth Perry | |
| 91 | 12 |  | All Creatures Podcast | All Creatures Podcast | |
| 91 | — | C | Charter Cities Podcast | Mark Lutter | |
| 92 | 4 |  | Why Do We Do That? | BBC Radio 4 | |
| 96 | 8 | N | New Books in Environmental Studies | Marshall Poe | |
| 98 | 23 | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 99 | 32 |  | That UFO Podcast | That UFO Podcast | |
| 100 | 24 |  | MinuteEarth | Minute Earth | |
| 100 | 22 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 100 | 72 |  | Scotland Outdoors | BBC Radio Scotland | |
| 103 | 22 | H | How We Treat: Colon and Rectal Cancer | Dana-Farber/Brigham and Women’s Cancer Center | |
