| 1 | — |  | Making Sense with Sam Harris | Sam Harris | |
| 2 | — |  | Ologies with Alie Ward | Alie Ward | |
| 3 | 1 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 6 | 6 |  | Unexplainable | Vox | |
| 6 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 7 | — |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 7 | 2 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 8 | 1 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 8 | 1 |  | Science Vs | Spotify Studios | |
| 12 | 1 |  | Blurry Creatures | Blurry Creatures | |
| 13 | 3 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 13 | 7 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 13 | 5 | T | The Naked Scientists Podcast | The Naked Scientists | |
| 14 | 25 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 15 | 4 |  | BBC Inside Science | BBC Radio 4 | |
| 17 | 4 |  | Reinvent Yourself with Dr. Tara | Dr. Tara Swart Bieber | |
| 18 | 1 |  | All In The Mind | ABC | |
| 19 | 5 |  | Ingenious: how research transforms our world | UoAMediaTeam | |
| 19 | 1 |  | CrowdScience | BBC World Service | |
| 19 | 10 |  | Science Friday | Science Friday and WNYC Studios | |
| 23 | 2 | T | The Birding Life Podcast Network | The Birding Life Podcast Network | |
| 24 | 1 |  | Stuff To Blow Your Mind | iHeartPodcasts | |
| 25 | 12 |  | Ancient Aliens | PodcastOne | |
| 26 | 11 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 26 | 6 |  | The Michael Shermer Show | Michael Shermer | |
| 26 | 10 | T | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 27 | — |  | Science In Action | BBC World Service | |
| 27 | 4 |  | Unexpected Elements | BBC World Service | |
| 31 | 125 |  | HOLOSKY PODCAST | Holosky Podcast | |
| 32 | 17 |  | Ask the Naked Scientists | Dr Chris Smith | |
| 32 | 8 |  | Discovery | BBC World Service | |
| 33 | 34 |  | TheThinkingAtheist | The Thinking Atheist | |
| 34 | 7 |  | Outside/In | NHPR | |
| 34 | 9 |  | The Life Scientific | BBC Radio 4 | |
| 36 | — | C | China ungeschminkt | Klaus Mühlhahn, Anja Blanke, Julia Haes | |
| 36 | — |  | The Origins Podcast with Lawrence Krauss | Lawrence M. Krauss | |
| 41 | 11 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 42 | 15 |  | What Remains | WRAL News | Raleigh, North Carolina | |
| 43 | 5 |  | When Science Finds a Way | Wellcome | |
| 44 | 29 |  | Curiosity Theory | Dr. Dakotah Tyler & Justin Shaifer | |
| 46 | 7 |  | The Marginal Revolution Podcast | Mercatus Center at George Mason University | |
| 46 | 94 |  | Crash Course Pods: The Universe | Crash Course Pods, Complexly | |
| 48 | 82 | S | Safari Stories | Trunks and Tracks | |
| 48 | — |  | CREOGs Over Coffee | CREOGs Over Coffee | |
| 49 | — |  | Drilled | Pushkin Industries | |
| 49 | 46 |  | Somewhere in the Skies | SpectreVision Radio | |
| 49 | 121 |  | Neuroscience: Amateur Hour | Neuroscience: Amateur Hour | |
| 50 | 7 | W | Wildest Kruger Stories | Karolina Norée | |
| 50 | — | T | The Weather That Changed Us | ABC | |
| 51 | 62 |  | IQ - Wissenschaft und Forschung | Bayerischer Rundfunk | |
| 51 | 15 |  | That's Just Wild | Fresh Air | |
| 51 | — | L | Le billet sciences du week-end | franceinfo | |
| 52 | 9 |  | Choiceology with Katy Milkman | Charles Schwab | |
| 53 | 11 |  | Houston We Have a Podcast | National Aeronautics and Space Administration (NASA) | |
| 53 | 55 |  | EverydaySpy Podcast | Andrew Bustamante | |
| 54 | — | T | The Struggling Scientists | Suzanne and Jayron | |
| 54 | 5 |  | This Week in Virology | Vincent Racaniello | |
| 55 | 21 |  | Overheard at National Geographic | National Geographic | |
| 55 | 28 | W | World of Sharks | Save Our Seas Foundation | |
| 57 | — |  | BirdNote Daily | BirdNote | |
| 57 | 49 |  | The Hamilton Morris Podcast | Hamilton Morris | |
| 57 | 29 |  | The Social Work Podcast | Jonathan B. Singer, Ph.D., LCSW | |
| 58 | — | O | Outdoor Sounds | Jeff Large | |
| 59 | — | T | The Neil Ashton Podcast | Neil Ashton | |
| 59 | 104 |  | The Quanta Podcast | Quanta Magazine | |
| 60 | 49 |  | You Are Not So Smart | You Are Not So Smart | |
| 62 | 9 |  | Total Disclosure Podcast | Tyler Roberts | |
| 63 | — |  | The Energy Podcast | Shell | |
| 64 | 8 |  | The Future of Everything | Stanford Engineering | |
| 64 | 3 | A | Asimov Press | Asimov Press | |
| 66 | — | S | Safari Stories | John Lister | |
| 66 | — | T | Talking Biotech with Dr. Kevin Folta | Colabra | |
| 67 | 10 | K | KHARISMA MASTERY | MARION CAIN III ARM, AIC, CBCP | |
| 69 | 58 |  | iNTO THE FRAY RADIO - Encounters with the Paranormal | Shannon LeGro | |
| 69 | 7 |  | Expanded Perspectives | Expanded Perspectives | |
| 69 | — |  | The Regenaissance Podcast | The Regenaissance | |
| 69 | 9 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 70 | 9 |  | Naked Astronomy, from the Naked Scientists | The Naked Scientists | |
| 70 | 21 |  | The world, the universe and us | New Scientist | |
| 71 | 5 |  | ExtinctZoo | ExtinctZoo | |
| 72 | 11 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 73 | 5 |  | Universe Today Podcast | Fraser Cain | |
| 73 | 50 |  | Into the Impossible With Brian Keating | Big Bang Productions Inc. | |
| 74 | — | V | Viced Rhino: The Podcast | Viced Rhino | |
| 74 | — | I | International Law | Yale Law School | |
| 75 | 10 |  | 60-Second Health | Scientific American | |
| 76 | 31 |  | Accidental Gods | Accidental Gods | |
| 77 | — | G | Grow Everything Biotech Podcast | Messaginglab | |
| 79 | 9 |  | From First Principles | Krishna Choudhary and Lester Nare | |
| 79 | 41 |  | Mysterious Universe | 8th Kind | |
| 82 | 13 |  | Short Wave | NPR | |
| 86 | 2 |  | Science Quickly | Scientific American | |
| 87 | 16 |  | That UFO Podcast | That UFO Podcast | |
| 88 | 48 | A | Ask the Naked Scientists | Dr Chris Smith | |
| 90 | 31 |  | MinuteEarth | Minute Earth | |
| 92 | 4 | T | The Space Show by Dr. David Livingston | Dr. David M. Livingston | |
| 92 | 103 |  | Theories of Everything with Curt Jaimungal | Theories of Everything | |
| 93 | 47 |  | The Science Show | ABC | |
| 94 | — |  | Head Shepherd | Mark Ferguson | |
| 96 | 37 |  | Relebogile Mabotja hosts The Naked Scientist | Radio 702 | |
