| 1 | — |  | Unexplainable | Vox | |
| 2 | — |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | 2 |  | Radiolab | WNYC Studios | |
| 4 | 2 |  | Ologies with Alie Ward | Alie Ward | |
| 5 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 6 | 2 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 7 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 8 | 1 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 9 | 1 |  | BBC Inside Science | BBC Radio 4 | |
| 10 | 2 |  | Making Sense with Sam Harris | Sam Harris | |
| 11 | 1 |  | More or Less | BBC Radio 4 | |
| 12 | 1 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 13 | 1 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 14 | 42 |  | Science Vs | Spotify Studios | |
| 15 | 39 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 16 | 83 |  | Short Wave | NPR | |
| 17 | 47 |  | Curious Cases | BBC Radio 4 | |
| 18 | 5 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 19 | 46 |  | This Week in Cardiology | Medscape | |
| 20 | 77 |  | The Psychology Podcast | iHeartPodcasts | |
| 21 | 6 |  | CrowdScience | BBC World Service | |
| 22 | 50 |  | Google DeepMind: The Podcast | Hannah Fry | |
| 23 | 69 |  | The Future of Everything | Stanford Engineering | |
| 24 | 6 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 25 | 50 |  | People Who Read People: A Behavior and Psychology Podcast | Zachary Elwood | |
| 26 | — | P | Pearls of Exxcellence | The Society for Academic Specialists in General Obstetrics and Gynecology | |
| 27 | 78 |  | The Market Gardener Podcast | JM Fortier | |
| 28 | 93 |  | The Science of Everything Podcast | James Fodor | |
| 29 | 13 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 30 | 12 |  | This Week in Virology | Vincent Racaniello | |
| 31 | 92 |  | The Life Scientific | BBC Radio 4 | |
| 32 | 15 |  | The Orthobullets Podcast | Orthobullets | |
| 33 | 10 |  | All In The Mind | ABC | |
| 34 | 102 |  | Overheard at National Geographic | National Geographic | |
| 35 | — | C | Chasing Consciousness | Freddy Drabble | |
| 36 | — | T | The Art of Range | Tip Hudson | |
| 37 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 38 | 9 |  | Science Friday | Science Friday and WNYC Studios | |
| 39 | 161 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 40 | — |  | This Week in Microbiology | Vincent Racaniello | |
| 41 | — |  | Clinical Chemistry Podcast | Association for Diagnostics and Laboratory Medicine | |
| 42 | — | T | The Cancer Researcher Podcast | The European Association for Cancer Research (EACR) | |
| 43 | 24 |  | Nature Insight: Speed Dating with the Future | IPBES | |
| 44 | — |  | Mongabay Newscast | Mongabay.com | |
| 45 | — |  | Planet Visionaries – SEASON 5 | A podcast in partnership with The Rolex Perpetual Planet Initiative | |
| 46 | — | E | Eye Basics 101 - Ophthalmology and Optometry Review | Eye Basics 101 - Ophthalmology and Optometry Review | |
| 47 | — | S | Song and Plants | Carmen Porter | |
| 48 | 45 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 49 | 28 |  | DNA Today: A Genetics Podcast | Kira Dineen, Gene Pool Media | |
| 50 | 22 |  | Living Planet | DW | |
| 51 | 24 |  | Discovery | BBC World Service | |
| 52 | 21 |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 53 | 33 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 54 | — | E | Editors in Conversation | American Society for Microbiology | |
| 55 | 31 | S | Students of Surgery | Martin Brand | |
| 56 | 23 |  | The Confessionals | Merkel Media | |
| 57 | 15 |  | Bedtime Astronomy | Synthetic Universe | |
| 58 | 32 |  | Science Weekly | The Guardian | |
| 59 | 23 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 60 | 38 |  | Science In Action | BBC World Service | |
| 61 | 36 |  | How We're Wired | The Bertarelli Foundation | |
| 62 | 16 |  | Something You Should Know | Mike Carruthers | OmniCast Media | |
| 63 | 11 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 64 | 32 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 65 | 24 |  | Crime Pays But Botany Doesn't | Tony Santore | |
| 66 | 31 | L | Let's Talk Micro | Luis Plaza | |
| 67 | 33 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 68 | 31 | S | Stimulating Stuff | Rich Vogel | |
| 69 | 29 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 70 | 31 | T | The Human Risk Podcast | Human Risk | |
| 71 | — |  | iLukuluku | All Ears FM | |
| 72 | 34 |  | Why Do We Do That? | BBC Radio 4 | |
| 73 | 27 | H | Human Action: A Treatise on Economics | Ludwig von Mises | |
| 74 | 34 |  | Climate One | Climate One from The Commonwealth Club | |
| 75 | 18 |  | Mysterious Universe | 8th Kind | |
| 76 | 27 |  | Facts Machine | Facts Machine | |
| 77 | 34 |  | Infectious Disease Puscast | Vincent Racaniello | |
| 78 | 34 |  | COMPLEXITY | Santa Fe Institute | |
| 79 | 34 | P | People Behind the Science Podcast Stories from Scientists about Science, Life, Research, and Science Careers | Dr. Marie McNeely, featuring top scientists speaking about their life and c | |
| 80 | 33 | N | Nouvelle Conscience | Manon Sala | |
| 81 | 33 | P | Presbyopia Unlocked | Eyetube | |
| 82 | 21 |  | 5 Live Science Podcast | BBC Radio 5 Live | |
| 83 | 25 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 84 | 29 |  | Speaking of Psychology | American Psychological Association | |
| 85 | 35 | M | Mike's Multiverse | Mike McHargue | |
| 86 | 27 |  | Unexpected Elements | BBC World Service | |
| 87 | 36 | C | Conversations in Drug Development | Boyds | |
| 88 | 35 |  | Naturebang | BBC Radio 4 | |
| 89 | 13 | ![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 | |
| 90 | 30 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 91 | 33 |  | Blurry Creatures | Blurry Creatures | |
| 92 | 1 |  | Robert Sapolsky | Father-Offspring Interviews | Robert Sapolsky | |
| 93 | 40 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 94 | 31 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 95 | 27 |  | Regenerative Agriculture Podcast | John Kempf | |
| 96 | 34 |  | Speed & Scale | TED | |
| 97 | 31 |  | Skeptoid | Brian Dunning | |
| 98 | — |  | La Science, CQFD | France Culture | |
| 99 | 18 |  | In Defense of Plants Podcast | In Defense of Plants | |
| 100 | 31 |  | Outrage + Optimism: The Climate Podcast | Persephonica and Global Optimism | |
