| 1 | — |  | Ologies with Alie Ward | Alie Ward | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 3 |  | Making Sense with Sam Harris | Sam Harris | |
| 4 | 1 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 5 | 6 |  | Unexplainable | Vox | |
| 6 | 2 |  | Radiolab | WNYC Studios | |
| 7 | 1 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 8 | 3 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | — |  | Science Vs | Spotify Studios | |
| 10 | 111 |  | The Psychology Podcast | iHeartPodcasts | |
| 11 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 12 | 3 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 13 | 6 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 14 | — |  | Science Weekly | The Guardian | |
| 15 | 3 |  | More or Less | BBC Radio 4 | |
| 16 | 22 |  | Blurry Creatures | Blurry Creatures | |
| 17 | 13 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 18 | 16 |  | Overheard at National Geographic | National Geographic | |
| 19 | 33 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 20 | — |  | BBC Inside Science | BBC Radio 4 | |
| 21 | 23 | B | Boring History for Sleep | Velvet | |
| 22 | 6 |  | Babbage from The Economist | The Economist | |
| 23 | 11 |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 24 | 54 |  | The Quanta Podcast | Quanta Magazine | |
| 25 | 44 |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 26 | 9 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 27 | 81 |  | Discovery | BBC World Service | |
| 28 | 57 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 29 | 50 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 30 | 17 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 31 | — |  | 科学のラジオ ～Radio Scientia～ | ニッポン放送 | |
| 32 | 10 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 33 | 27 | S | Students of Surgery | Martin Brand | |
| 34 | 117 |  | CrowdScience | BBC World Service | |
| 35 | 150 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 36 | 86 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 37 | 77 |  | That UFO Podcast | That UFO Podcast | |
| 38 | 38 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 39 | — |  | Unbiased Science | @unbiasedscipod | |
| 40 | 132 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 41 | — |  | The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography | MapScaping | |
| 42 | 21 |  | Tooth & Claw: True Stories of Animal Attacks | Wes Larson, Jeff Larson, Mike Smith | Daylight Media | |
| 43 | — | N | New Scientist Weekly | New Scientist | |
| 44 | 25 |  | The Science of Birds | Ivan Phillipsen | |
| 45 | — |  | Psychoanalysis & You | APsA American Psychoanalytic Association | |
| 46 | — | T | Talks On Psychoanalysis | International Psychoanalytical Association | |
| 47 | — |  | MCAT Basics (from MedSchoolCoach) | MedSchoolCoach | |
| 48 | — |  | Brady Heywood Podcast | Sean Brady | |
| 49 | 35 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 50 | 31 |  | Science Friday | Science Friday and WNYC Studios | |
| 51 | — |  | Rare Earth | BBC Radio 4 | |
| 52 | — |  | Paranormal Portal | Brent Thomas | |
| 53 | 29 |  | The Weirdest Thing I Learned This Week | Popular Science | |
| 54 | 28 |  | Completely Arbortrary | Completely Arbortrary | |
| 55 | 32 |  | The Market Gardener Podcast | JM Fortier | |
| 56 | 69 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 57 | 26 |  | The Green Room: A Podcast from Obstetrics & Gynecology | Obstetrics & Gynecology (Green Journal) | |
| 58 | 87 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 59 | 68 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 60 | 20 |  | Accidental Gods | Accidental Gods | |
| 61 | 36 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 62 | 21 |  | Living Planet | DW | |
| 63 | 12 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 64 | 36 |  | How We're Wired | The Bertarelli Foundation | |
| 65 | 38 | S | Simplifying Complexity | Sean Brady from Brady Heywood | |
| 66 | 29 |  | The American Birding Podcast | American Birding Association | |
| 67 | 38 | T | The Cosmic Savannah | The Cosmic Savannah | |
| 68 | 36 |  | The Nature Of with Willow Defebaugh | Atmos | |
| 69 | 13 |  | Science In Action | BBC World Service | |
| 70 | 35 | N | neuroscienceCME - ADHD Across the Ages: Focus on the Adult | CME Outfitters | |
| 71 | 38 |  | TED Talks Science and Medicine | TED | |
| 72 | 36 |  | Proxy with Yowei Shaw | Y3 Productions | |
| 73 | — | E | Everyday Neuro: Psychology and Neuroscience Podcast | Dr Janine Cooper: Cognitive Psychologist, Neuroscientist, Neuropsychology researcher. | |
| 74 | 28 |  | Science Magazine Podcast | Science Magazine | |
| 75 | — |  | Why Do We Do That? | BBC Radio 4 | |
| 76 | 37 |  | Dharma Lab | Dharma Lab | |
| 77 | 36 |  | Nature Guys | Nature Guys | |
| 78 | 36 | T | The Hematologist | The Hematologist | |
| 79 | — | F | From Our Neurons to Yours | Wu Tsai Neurosciences Institute at Stanford University, Nicholas Weiler | |
| 80 | 37 | T | The HemOnc Pulse | Rahul Banerjee, MD | |
| 81 | 30 |  | Speaking of Psychology | American Psychological Association | |
| 82 | 29 |  | The Best of Coast to Coast AM | iHeartPodcasts and Coast to Coast AM | |
| 83 | 33 |  | Short Wave | NPR | |
| 84 | 29 |  | The Michael Shermer Show | Michael Shermer | |
| 85 | 40 | G | Green Noise | CapeNature | |
| 86 | 27 |  | Curious Cases | BBC Radio 4 | |
| 87 | 20 |  | Geopop - Le Scienze nella vita di tutti i giorni | Geopop | |
| 88 | 41 |  | DNA Today: A Genetics Podcast | Kira Dineen, Gene Pool Media | |
| 89 | 40 | G | Guardians of the River | Wild Bird Trust, NGOWP, House of Pod | |
| 90 | 42 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 91 | 60 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 92 | 31 |  | The Long Run with Luke Timmerman | Timmerman Report | |
| 93 | 39 |  | Planetary Radio: Space Exploration, Astronomy and Science | The Planetary Society | |
| 94 | 48 |  | Unexpected Elements | BBC World Service | |
| 95 | 30 |  | Regenerative Agriculture Podcast | John Kempf | |
| 96 | 30 | T | The Genetics Podcast | Sano Genetics | |
| 97 | 17 | ![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 | |
| 98 | 41 | B | BJA Education Podcasts | BJA Education | |
| 99 | 9 |  | SciShow Tangents | Complexly | |
| 100 | — |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
