| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 4 | 1 |  | When Science Finds a Way | Wellcome | |
| 4 | 3 |  | Science Vs | Spotify Studios | |
| 5 | 1 |  | More or Less | BBC Radio 4 | |
| 6 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 8 | 1 |  | Making Sense with Sam Harris | Sam Harris | |
| 9 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 13 | 29 |  | The End Of The World with Josh Clark | iHeartPodcasts | |
| 13 | 16 | B | Boring History for Sleep | Velvet | |
| 13 | 2 |  | Science Weekly | The Guardian | |
| 14 | 4 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 14 | 61 |  | Speaking of Psychology | American Psychological Association | |
| 16 | 4 |  | Discovery | BBC World Service | |
| 16 | 3 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 19 | 2 |  | The Psychology Podcast | iHeartPodcasts | |
| 20 | 4 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 20 | 4 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 20 | — |  | Babbage from The Economist | The Economist | |
| 22 | 9 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 22 | 4 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 23 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 24 | 4 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 25 | 12 |  | Universe Today Podcast | Fraser Cain | |
| 25 | — | T | The Art of Mathematics | Carol Jacoby | |
| 26 | 6 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 27 | 8 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 27 | — |  | Bigfoot Society | Jeremiah Byron | |
| 28 | 6 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 29 | — | M | Mathematics Simplified | Anjali Sharma | |
| 30 | 10 |  | Cool Worlds Podcast | coolworldslab | |
| 30 | 61 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 30 | 104 |  | This Week in Microbiology | Vincent Racaniello | |
| 31 | 105 |  | TED Talks Science and Medicine | TED | |
| 31 | — |  | Science Friday | Science Friday and WNYC Studios | |
| 31 | 4 | F | Farming Today | BBC Radio 4 | |
| 31 | 34 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 32 | — | J | Journal of the American Academy of Child and Adolescent Psychiatry | American Academy of Child and Adolescent Psychiatry | |
| 32 | — | U | Urban Radar | Tom Goodfellow and Beth Perry | |
| 33 | 130 |  | This Week in Virology | Vincent Racaniello | |
| 35 | 5 |  | Patient Zero | NHPR | |
| 37 | 9 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 37 | 4 | Q | Quantum Physics for Kids | Subatomic Tanvi | |
| 38 | — |  | Dharma Lab | Dharma Lab | |
| 39 | — |  | The Archaeology Show | Archaeology Podcast Network | |
| 40 | 4 | H | How We Treat: Colon and Rectal Cancer | Dana-Farber/Brigham and Women’s Cancer Center | |
| 41 | 8 |  | The world, the universe and us | New Scientist | |
| 41 | — | I | It All Starts Here | UCL Podcasts | |
| 41 | 114 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 41 | 35 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 43 | 4 |  | Medical Basics Podcast - Tips, Tricks, and Advice for Medical and Nursing Students | Medical Basics | |
| 44 | — | T | The Cosmic Savannah | The Cosmic Savannah | |
| 44 | — | T | The Amp Hour Electronics Podcast | The Amp Hour (Chris Gammell and David L Jones) | |
| 44 | 155 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 45 | 20 |  | Why Do We Do That? | BBC Radio 4 | |
| 45 | — |  | The Gene Gap: Common threads | The Guardian | |
| 45 | 9 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 47 | — | S | Science + God with Dr. G | AccessMore | |
| 47 | — | C | Cows and Effect | Paul Allison and Michael Blanche | |
| 48 | 1 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 49 | 21 |  | Training Without Conflict® | Dog Training Podcast | Training Without Conflict® | |
| 51 | 11 |  | Short Wave | NPR | |
| 52 | 24 |  | The Michael Shermer Show | Michael Shermer | |
| 53 | 23 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 54 | — |  | All Creatures Podcast | All Creatures Podcast | |
| 55 | 83 |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 56 | 14 |  | Nature Podcast | Springer Nature Limited | |
| 57 | 10 |  | Radiowissen | Bayerischer Rundfunk | |
| 58 | 24 |  | Curious Cases | BBC Radio 4 | |
| 59 | — |  | GIS Chat Podcast | Jazzmen Wilson | |
| 63 | 25 |  | Living Planet | DW | |
| 63 | 8 | W | World of Sharks | Save Our Seas Foundation | |
| 65 | 2 |  | Why This Universe? | Dan Hooper, Shalma Wegsman | |
| 70 | 7 |  | TheThinkingAtheist | The Thinking Atheist | |
| 72 | 28 | T | The Dairy Podcast Show | Wisenetix | |
| 73 | 21 | B | Boring Science For Sleep | Sleepless Scientist | |
| 77 | 6 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 79 | 30 |  | The Beef Podcast Show | Wisenetix | |
| 80 | 30 | A | ANIMALAMAN: The Podcast | Institute of Animal Science, CAFS, UPLB | |
| 81 | 29 | T | This Wild Life Conservation Podcast | Amy Turner | |
| 85 | 29 | U | Unpopular Neuroscience | Patrick D. Watson | |
| 87 | 29 | T | The Color Code: Decoding the Psychology of Hue | Rhythm Studio | |
| 89 | 12 | A | Asimov Press | Asimov Press | |
| 90 | 30 | T | The African climate breakdown - Stories about climate change brought to you by Future Climate For Africa | SouthSouthNorth | |
| 90 | 12 |  | Astrum Space | Astrum | |
| 91 | — |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
| 93 | 28 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 94 | 27 | ![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 | |
| 94 | 9 |  | The Orthobullets Podcast | Orthobullets | |
| 96 | 26 |  | This Week in Cardiology | Medscape | |
| 98 | 58 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 100 | 14 |  | Alive Again | iHeartPodcasts | |
| 101 | 24 |  | Opinionated History of Mathematics | Intellectual Mathematics | |
| 101 | 26 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 102 | — |  | That UFO Podcast | That UFO Podcast | |
| 103 | 22 | J | Just the Zoo of Us | Ellen & Christian Weatherford | |
| 106 | 15 |  | The Micah Hanks Program | Micah Hanks | |
| 107 | 1 |  | CrowdScience | BBC World Service | |
| 108 | — |  | Psychedelics Today | Psychedelics Today | |
| 108 | 30 |  | Mythfits | Pionaire Podcasting | |
