| 1 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 2 |  | Unexplainable | Vox | |
| 3 | 1 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | 1 | S | Students of Surgery | Martin Brand | |
| 5 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 6 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 7 | — |  | StarTalk Radio | Neil deGrasse Tyson | |
| 8 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 9 | 1 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 10 | 10 |  | Radiolab | WNYC Studios | |
| 11 | 3 |  | Curious Cases | BBC Radio 4 | |
| 12 | 38 |  | Astrum Space | Astrum | |
| 13 | 5 |  | Regenerative Agriculture Podcast | John Kempf | |
| 14 | 5 |  | Science Weekly | The Guardian | |
| 15 | 2 |  | Science Vs | Spotify Studios | |
| 16 | 4 |  | Blurry Creatures | Blurry Creatures | |
| 17 | 6 |  | SAPIENS: A Podcast for Everything Human | SAPIENS | |
| 18 | 17 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 19 | 8 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 20 | 7 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 21 | 7 |  | ScienceStuff | iHeartPodcasts | |
| 22 | 1 |  | The Psychology Podcast | iHeartPodcasts | |
| 23 | 7 |  | More or Less | BBC Radio 4 | |
| 24 | 38 |  | Discovery | BBC World Service | |
| 25 | 10 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 26 | 113 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 27 | 68 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 28 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 29 | 163 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 30 | 157 | S | Shan Boody Sex and Love | Shan Boody | |
| 31 | — |  | MinuteEarth | Minute Earth | |
| 32 | 95 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
| 33 | — |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 34 | — | B | By Inspection | Oscar White | |
| 35 | — |  | The world, the universe and us | New Scientist | |
| 36 | — | N | Neuroscience of Coaching | Mirasee FM | |
| 37 | 154 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 38 | — |  | Great Mysteries of Physics | The Conversation | |
| 39 | — | A | Alpha Male Strategies | AMS | |
| 40 | 16 |  | Science Friday | Science Friday and WNYC Studios | |
| 41 | — | H | Herpetological Highlights | Herpetological Highlights | |
| 42 | — |  | Nerdy About Nature | Nerdy About Nature | |
| 43 | — | A | Amours de nos jours | Mouv' | |
| 44 | — |  | Agriscience Explained | Corteva Agriscience | |
| 45 | — | T | The Parkinson’s Research Podcast: New Discoveries in Neuroscience | The Michael J. Fox Foundation for Parkinson’s Research | |
| 46 | — | B | Bird Nerd Book Club | Hannah Buschert | |
| 47 | — |  | Native Plants, Healthy Planet | Pinelands Nursery, Bleav | |
| 48 | 23 |  | Ancient Aliens | PodcastOne | |
| 49 | 22 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 50 | 28 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 51 | 19 |  | New Books in Critical Theory | Marshall Poe | |
| 52 | 26 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 53 | 19 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 54 | 24 | T | The Skeptic Zone | Richard Saunders | |
| 55 | 27 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 56 | 25 |  | Big Brains | University of Chicago Podcast Network | |
| 57 | 19 |  | The Life Scientific | BBC Radio 4 | |
| 58 | 20 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 59 | 54 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 60 | 27 |  | Mongabay Newscast | Mongabay.com | |
| 61 | 21 | A | ASPEN Podcasts | ASPEN Podcasts | |
| 62 | 26 |  | When Science Finds a Way | Wellcome | |
| 63 | 24 | P | Photobiomodulation: A New Approach to Retinal Disease Description | Texere Publishing | |
| 64 | 13 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 65 | 10 |  | Speaking of Psychology | American Psychological Association | |
| 66 | 24 |  | Statistics Made Simple | Brad R. Fulton, PhD | |
| 67 | 26 | A | Authentic Biochemistry | Dr Daniel J. Guerra | |
| 68 | 25 |  | This Week in Neuroscience | Vincent Racaniello | |
| 69 | 25 | T | The Poultry Nutrition Blackbelt Podcast | Wisenetix | |
| 70 | 25 | N | Not So Random Facts | Storyteller Entertainment | |
| 71 | 25 | D | Data Book | Inside Digital Health™ | |
| 72 | 25 |  | AuSPEN - Insights in Clinical Nutrition | AuSPEN | |
| 73 | 25 |  | Care More Be Better: A Podcast For Sustainable Social Impact and Regeneration | Corinna Bellizzi | |
| 74 | 25 | P | Project Oncology® | ReachMD | |
| 75 | 22 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 76 | 19 |  | Invisibilia | NPR | |
| 77 | 5 | H | Hannah and Erik Go Birding | Hannah Buschert and Erik Ostrander | |
| 78 | 91 |  | Big Picture Science | Big Picture Science | |
| 79 | 27 | B | BJA Education Podcasts | BJA Education | |
| 80 | 1 |  | Science In Action | BBC World Service | |
| 81 | 26 |  | The Michael Shermer Show | Michael Shermer | |
| 82 | 28 |  | The Joy of Why | Steven Strogatz, Janna Levin and Quanta Magazine | |
| 83 | 20 |  | The Science of Everything Podcast | James Fodor | |
| 84 | 8 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 85 | 27 |  | You Are Not So Smart | You Are Not So Smart | |
| 86 | 30 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 87 | 50 |  | CrowdScience | BBC World Service | |
| 88 | 8 |  | Overheard at National Geographic | National Geographic | |
| 89 | 13 |  | BBC Inside Science | BBC Radio 4 | |
| 90 | 9 |  | Real Ghost Stories Online | Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio | |
| 91 | 27 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 92 | 32 | T | The Human Behavior Podcast | The Human Behavior Podcast | |
| 93 | 32 |  | The Warblers by Birds Canada | Birds Canada | |
| 94 | 29 |  | De Universiteit van Nederland Podcast | Universiteit van Nederland | |
| 95 | — |  | Unexpected Elements | BBC World Service | |
| 96 | 30 | V | Video and Lectures - CTisus.com | Elliot K. Fishman, MD, FACR | |
| 97 | 30 |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 98 | 30 | W | Wildlife Health Talks | WDA Communications Committee | |
| 99 | 30 |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 100 | 30 | B | BJA: British Journal of Anaesthesia | Rik Thomas, Podcast Editor | |
