| 1 | 2 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 2 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 3 | 3 |  | Ologies with Alie Ward | Alie Ward | |
| 4 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 5 | 2 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 6 | 4 |  | Unexplainable | Vox | |
| 7 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 8 | 3 |  | Radiolab | WNYC Studios | |
| 9 | 1 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 10 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 11 | 10 |  | The Psychology Podcast | iHeartPodcasts | |
| 12 | 2 |  | More or Less | BBC Radio 4 | |
| 13 | — |  | The Science of Happiness | PRX and Greater Good Science Center | |
| 14 | 4 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 15 | 4 |  | Science Vs | Spotify Studios | |
| 16 | — |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 17 | 11 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 18 | 50 |  | Unexpected Elements | BBC World Service | |
| 19 | 102 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 20 | 77 |  | All In The Mind | ABC | |
| 21 | 6 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 22 | 27 |  | The Orthobullets Podcast | Orthobullets | |
| 23 | 4 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 24 | 114 |  | That UFO Podcast | That UFO Podcast | |
| 25 | 10 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 26 | 8 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 27 | 19 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 28 | 59 |  | Overheard at National Geographic | National Geographic | |
| 29 | 6 |  | Science Weekly | The Guardian | |
| 30 | 14 |  | Curious Cases | BBC Radio 4 | |
| 31 | — | T | The Case for Conservation Podcast | www.case4conservation.com | |
| 32 | 15 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 33 | 2 |  | CrowdScience | BBC World Service | |
| 34 | — | P | Plane Crash Diaries | Desmond Latham | |
| 35 | 124 |  | So Cultured Podcast | Liv Grant & Taz Shipley | |
| 36 | 10 |  | Discovery | BBC World Service | |
| 37 | 128 |  | The Common Descent Podcast | Common Descent | |
| 38 | 13 |  | The Wild with Chris Morgan | KUOW News and Information | |
| 39 | — |  | Templeton Ideas Podcast | John Templeton Foundation | |
| 40 | — | T | The Science of Personality Podcast | Hogan Assessments | |
| 41 | — | C | Cannabis Cultivation and Science Podcast | Tad Hussey | |
| 42 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 43 | — |  | Oncology Today with Dr Neil Love | Dr. Neil Love | |
| 44 | — |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 45 | — | G | Guardians of the River | Wild Bird Trust, NGOWP, House of Pod | |
| 46 | — |  | World’s Wildest: Tales of Earth’s Most Extreme Creatures | Maya Higa & Connor O'Brien | |
| 47 | — | N | New Books in Environmental Studies | Marshall Poe | |
| 48 | — | R | Research Insights, a Society of Actuaries Podcast | Research Insights | |
| 49 | 12 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 50 | 26 |  | Bigfoot Terror in the Woods Sightings and Encounters | W.J. Sheehan | |
| 51 | — | T | The Science of Psychotherapy | Dahlitz Media | |
| 52 | — |  | How We're Wired | The Bertarelli Foundation | |
| 53 | — |  | Brain Inspired | Paul Middlebrooks | |
| 54 | — |  | The Sociology of Everything Podcast | Eric Hsu & Louis Everuss (Lou & the Hsu) | |
| 55 | — | S | SOA Podcasts - Society of Actuaries | Society of Actuaries (SOA) | |
| 56 | — | T | The Sociology Show | Matthew Wilkin | |
| 57 | — | S | Sociology Ruins Everything | Matt Sedlar | |
| 58 | — | S | Sociology | Kai Dejesus-Johnson | |
| 59 | — | T | The Integration Station | Michael Crisci, Eleanor White | |
| 60 | — |  | سیری در تاریخ و فرهنگ ایران | میرحسن ولوی | |
| 61 | 31 |  | I Know Dino: The Big Dinosaur Podcast | I KNOW DINO, LLC | |
| 62 | 40 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 63 | 31 |  | Living Planet | DW | |
| 64 | 44 |  | Nature Podcast | Springer Nature Limited | |
| 65 | 31 |  | Regenerative Agriculture Podcast | John Kempf | |
| 66 | 5 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 67 | 9 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 68 | 30 |  | New Books in Critical Theory | Marshall Poe | |
| 69 | 40 |  | Sternengeschichten | Florian Freistetter | |
| 70 | 17 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 71 | 19 |  | Science Friday | Science Friday and WNYC Studios | |
| 72 | 32 |  | Why Do We Do That? | BBC Radio 4 | |
| 73 | 7 |  | Speaking of Psychology | American Psychological Association | |
| 74 | 43 |  | Let's Learn Everything! | Maximum Fun | |
| 75 | 39 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 76 | 43 |  | DNA Today: A Genetics Podcast | Kira Dineen, Gene Pool Media | |
| 77 | 42 |  | Multiverse 5D @ M5D | Multiverse 5D Network | |
| 78 | — |  | That's Absurd Please Elaborate | Trace Elements Media | |
| 79 | 3 |  | Science In Action | BBC World Service | |
| 80 | 33 |  | Science & Futurism with Isaac Arthur | Isaac Arthur | |
| 81 | 47 |  | Chemistry For Your Life | Melissa and Jam, Bleav | |
| 82 | 88 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 83 | 45 |  | The Couples Therapist Couch | Shane Birkel | |
| 84 | 45 |  | COMPLEXITY | Santa Fe Institute | |
| 85 | 44 | T | The Humble Hoof | Alicia Harlov | |
| 86 | 44 | N | neuroscienceCME - ADHD Across the Ages: Focus on the Adult | CME Outfitters | |
| 87 | 44 | G | GI Insights | ReachMD | |
| 88 | 44 | W | What the HEK is Immunotherapy? | WTHisImmunotherapy | |
| 89 | 44 | I | Immunotherapy Talks with ACIR | Accelerating Cancer Immunotherapy Research (ACIR) | |
| 90 | 43 |  | MinuteEarth | Minute Earth | |
| 91 | 43 | M | Mathematics Simplified | Anjali Sharma | |
| 92 | 42 |  | BBC Inside Science | BBC Radio 4 | |
| 93 | 39 |  | The Future of Everything | Stanford Engineering | |
| 94 | 37 |  | New Books in Psychoanalysis | Marshall Poe | |
| 95 | 25 |  | Paranormal Mysteries | Nic Ryan | Paranormal Mysteries Podcast | |
| 96 | 45 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 97 | 20 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 98 | 12 |  | You Are Not So Smart | You Are Not So Smart | |
| 99 | 31 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 100 | 38 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
