| 1 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 1 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 3 | — |  | Ologies with Alie Ward | Alie Ward | |
| 5 | — |  | Science Vs | Spotify Studios | |
| 6 | 2 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 8 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 9 | — |  | Blurry Creatures | Blurry Creatures | |
| 9 | 5 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 11 | — |  | Unexplainable | Vox | |
| 12 | 4 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 12 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 13 | 11 |  | Discovery | BBC World Service | |
| 14 | — |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 15 | — |  | Overshoot: Navigating a world beyond 1.5°C | Planet B Productions | |
| 16 | 4 |  | CrowdScience | BBC World Service | |
| 16 | 1 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 18 | — |  | Short Wave | NPR | |
| 20 | 15 |  | Accidental Gods | Accidental Gods | |
| 20 | 3 |  | Science Friday | Science Friday and WNYC Studios | |
| 21 | 5 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
| 21 | — |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 22 | 8 |  | The world, the universe and us | New Scientist | |
| 22 | 4 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 23 | 3 |  | Naturebang | BBC Radio 4 | |
| 23 | — |  | Science In Action | BBC World Service | |
| 24 | 6 |  | Science Magazine Podcast | Science Magazine | |
| 25 | 53 |  | MinuteEarth | Minute Earth | |
| 26 | — |  | BBC Inside Science | BBC Radio 4 | |
| 26 | 47 | N | New Books in Education | Marshall Poe | |
| 28 | — |  | All In The Mind | ABC | |
| 28 | 6 |  | The Michael Shermer Show | Michael Shermer | |
| 29 | 3 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 30 | — |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 32 | 2 |  | That's Just Wild | Fresh Air | |
| 33 | — |  | Unexpected Elements | BBC World Service | |
| 34 | — |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 34 | — |  | Choiceology with Katy Milkman | Charles Schwab | |
| 35 | — |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 35 | 49 |  | The Great Simplification with Nate Hagens | Nate Hagens | |
| 36 | — |  | Naked Astronomy, from the Naked Scientists | The Naked Scientists | |
| 38 | — | V | VoxDev Development Economics | VoxDev.org | |
| 38 | 9 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 39 | — | P | Poultry Health Today | Poultry Health Today | |
| 40 | 37 | U | Unpopular Neuroscience | Patrick D. Watson | |
| 41 | 7 | T | The MOFcast | Ocean Cheung | |
| 42 | 58 |  | When Science Finds a Way | Wellcome | |
| 42 | 65 |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 43 | — |  | Clearer Thinking with Spencer Greenberg | Spencer Greenberg | |
| 43 | 1 |  | Bedtime Astronomy | Synthetic Universe | |
| 43 | 53 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 44 | 37 |  | Universe Today Podcast | Fraser Cain | |
| 44 | — |  | This Week in Virology | Vincent Racaniello | |
| 45 | — | T | The Immaculate Deception | Somethin' Else / Sony Music Entertainment | |
| 46 | — |  | My Big TOE by Thomas Campbell - Unifying Mind and Matter | Thomas Campbell together with the MBT Volunteers | |
| 49 | — |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 50 | 146 |  | Your Brain On | Drs. Ayesha and Dean Sherzai | |
| 51 | — |  | Where Is My Mind? | Mark Gober and Blue Duck Media | |
| 51 | 9 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 53 | — | N | Neurosapiens | Neurosapiens | |
| 53 | 10 |  | The Acres U.S.A. Podcast | Acres U.S.A.® | |
| 54 | — |  | The Quanta Podcast | Quanta Magazine | |
| 55 | — |  | Speed & Scale | TED | |
| 56 | 41 |  | Songs 4 FRCR: Radiology FRCR 2A Revision | FRCR Revision | |
| 56 | 29 |  | That UFO Podcast | That UFO Podcast | |
| 56 | — | T | This Natural Life | BBC Radio 4 | |
| 56 | 25 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 57 | — | T | The Vertue Podcast | Shona Vertue | |
| 60 | 22 |  | The New Quantum Era - innovation in quantum computing, science and technology | Sebastian Hassinger | |
| 61 | 29 | K | Keynes and Keynesianism | Mises Institute | |
| 62 | — | P | Pediatric Cardiology Review | M. | |
| 63 | — |  | You Are Not So Smart | You Are Not So Smart | |
| 74 | 9 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 79 | — |  | The Science of Everything Podcast | James Fodor | |
| 79 | 52 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 79 | — | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 80 | — |  | The Future of Everything | Stanford Engineering | |
| 81 | — |  | Wild Times: Wildlife Education | Wildlife Educator - Forrest Galante | |
| 84 | 48 |  | Robinson's Podcast | Robinson Erhardt | |
| 85 | 48 |  | Drilled | Pushkin Industries | |
| 86 | — |  | From Concept to Medicine - A Comprehensive Drug Development Journey | Jim Mitchell | |
| 88 | — |  | Altered States | PRX | |
| 90 | — |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 92 | 1 | W | Wildest Kruger Stories | Karolina Norée | |
| 92 | 20 |  | TheThinkingAtheist | The Thinking Atheist | |
| 93 | — |  | Radiowissen | Bayerischer Rundfunk | |
| 93 | — | A | Ask the Naked Scientists | Dr Chris Smith | |
| 96 | — |  | Science Quickly | Scientific American | |
| 96 | 35 |  | The Social Work Podcast | Jonathan B. Singer, Ph.D., LCSW | |
| 97 | — |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 98 | 49 | T | The Humble Hoof | Alicia Harlov | |
| 100 | — |  | My Bigfoot Sighting | Vic Cundiff | |
| 100 | 41 | N | Neuroscience of Coaching | Mirasee FM | |
| 101 | 33 | S | Stanford Psychology Podcast | Stanford Psychology | |
| 107 | 64 |  | This Week in Virology | Vincent Racaniello | |
| 108 | — |  | Tiny Matters | Multitude | |
| 108 | — |  | Intelligent Design the Future | Discovery Institute | |
| 109 | — |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 110 | — |  | Origin Stories | The Leakey Foundation | |
| 111 | — | T | The Guide Post | American Saltwater Guides Association | |
| 111 | — |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
