| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | — |  | When Science Finds a Way | Wellcome | |
| 4 | — |  | Science Vs | Spotify Studios | |
| 5 | — |  | More or Less | BBC Radio 4 | |
| 8 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 8 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 8 | 50 |  | Curious Cases | BBC Radio 4 | |
| 10 | 4 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 12 | 1 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 13 | 3 |  | Discovery | BBC World Service | |
| 14 | — | A | ASPEN Podcasts | ASPEN Podcasts | |
| 14 | — | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 15 | 2 | B | Boring History for Sleep | Velvet | |
| 15 | 4 |  | The Psychology Podcast | iHeartPodcasts | |
| 17 | 3 |  | Speaking of Psychology | American Psychological Association | |
| 17 | 4 |  | Science Weekly | The Guardian | |
| 18 | 2 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 18 | 23 |  | The world, the universe and us | New Scientist | |
| 20 | 11 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 21 | 106 |  | Overheard at National Geographic | National Geographic | |
| 23 | 84 |  | CrowdScience | BBC World Service | |
| 23 | 2 |  | Universe Today Podcast | Fraser Cain | |
| 24 | 2 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 25 | 38 |  | Living Planet | DW | |
| 26 | 10 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 27 | 29 |  | Nature Podcast | Springer Nature Limited | |
| 28 | 1 |  | Bigfoot Society | Jeremiah Byron | |
| 28 | 1 | M | Mathematics Simplified | Anjali Sharma | |
| 30 | — |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 32 | 4 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 35 | — |  | Google DeepMind: The Podcast | Hannah Fry | |
| 36 | — |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 36 | 16 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 38 | 8 |  | This Week in Microbiology | Vincent Racaniello | |
| 39 | 19 |  | Babbage from The Economist | The Economist | |
| 40 | 17 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 40 | — | L | Let's Talk Science with Thuli | Thulile Khanyile | |
| 42 | 4 |  | Dharma Lab | Dharma Lab | |
| 43 | 12 |  | TED Talks Science and Medicine | TED | |
| 43 | 16 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 43 | 34 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 44 | 11 |  | This Week in Virology | Vincent Racaniello | |
| 45 | 13 | J | Journal of the American Academy of Child and Adolescent Psychiatry | American Academy of Child and Adolescent Psychiatry | |
| 46 | 5 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 47 | — | C | Cows and Effect | Paul Allison and Michael Blanche | |
| 47 | 16 |  | Science Friday | Science Friday and WNYC Studios | |
| 48 | 4 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 49 | 24 | T | The Art of Mathematics | Carol Jacoby | |
| 50 | 24 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 51 | 4 | S | Science + God with Dr. G | AccessMore | |
| 52 | 13 |  | The Archaeology Show | Archaeology Podcast Network | |
| 53 | 8 |  | The Gene Gap: Common threads | The Guardian | |
| 55 | — |  | This Week in Space (Audio) | TWiT | |
| 55 | 33 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 58 | 10 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 60 | 36 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 61 | 16 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 61 | 30 | F | Farming Today | BBC Radio 4 | |
| 62 | 21 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 65 | 33 | U | Urban Radar | Tom Goodfellow and Beth Perry | |
| 68 | 38 |  | Cool Worlds Podcast | coolworldslab | |
| 71 | 36 |  | Patient Zero | NHPR | |
| 73 | 21 |  | The Michael Shermer Show | Michael Shermer | |
| 74 | 45 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 75 | 18 |  | Radiowissen | Bayerischer Rundfunk | |
| 75 | 31 | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 76 | 20 |  | This Week in Cardiology | Medscape | |
| 77 | 24 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 78 | 41 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 79 | 25 |  | All Creatures Podcast | All Creatures Podcast | |
| 81 | 41 | H | How We Treat: Colon and Rectal Cancer | Dana-Farber/Brigham and Women’s Cancer Center | |
| 82 | 41 | I | It All Starts Here | UCL Podcasts | |
| 83 | 32 |  | Short Wave | NPR | |
| 84 | 25 |  | GIS Chat Podcast | Jazzmen Wilson | |
| 85 | 42 |  | Medical Basics Podcast - Tips, Tricks, and Advice for Medical and Nursing Students | Medical Basics | |
| 87 | 32 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 88 | 43 |  | Why Do We Do That? | BBC Radio 4 | |
| 88 | — | N | New Books in Environmental Studies | Marshall Poe | |
| 89 | 52 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 90 | 41 |  | Training Without Conflict® | Dog Training Podcast | Training Without Conflict® | |
| 92 | 48 | T | The Cosmic Savannah | The Cosmic Savannah | |
| 93 | — |  | BrainStuff | iHeartPodcasts | |
| 94 | 7 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 95 | 4 |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
| 97 | 4 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 100 | 6 |  | The Orthobullets Podcast | Orthobullets | |
| 102 | 8 | ![Cosmosis [Formerly The UFO Rabbit Hole]](https://is1-ssl.mzstatic.com/image/thumb/Podcasts211/v4/6e/50/4f/6e504f3a-5967-0f9a-1858-77a5f070b7d4/mza_10360255510263335732.jpeg/100x100bb.jpg) | Cosmosis [Formerly The UFO Rabbit Hole] | Kelly Chase & Jay Christopher King | |
| 104 | 41 | W | World of Sharks | Save Our Seas Foundation | |
| 105 | 40 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 106 | 16 |  | Astrum Space | Astrum | |
| 108 | 58 |  | Lost Women of Science | Lost Women of Science | |
| 108 | 36 | T | The Dairy Podcast Show | Wisenetix | |
| 109 | 36 | B | Boring Science For Sleep | Sleepless Scientist | |
| 112 | 46 |  | Science Magazine Podcast | Science Magazine | |
| 112 | 31 | T | This Wild Life Conservation Podcast | Amy Turner | |
| 113 | 34 |  | The Beef Podcast Show | Wisenetix | |
| 114 | 34 | A | ANIMALAMAN: The Podcast | Institute of Animal Science, CAFS, UPLB | |
| 114 | 12 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 116 | 15 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
