Best 9/11 Conspiracy Theories Newsletters in 2026

NewsletterFIT tracks 8 newsletters that cover 9/11 conspiracy theories as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Dan Fournier's Inconvenient Truths (11K), Beyond Certainty (2K) and 9/11 Planes Research (2K).

Updated Nov 5, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Dan Fournier's Inconvenient Truths11K subscribers

    SubstackEvery two weeks · last post 7 days ago

    Freelance Investigative Journalism

    Likely audience: Conspiracy theorists

  2. 2
    Beyond Certainty2K subscribers

    SubstackWeekly · last post 13 days ago

    Sanity = Doubt = Faith = Science: rejecting certainty : separating ‘Day’ from ‘Night’. Removing pseudoscience and so tyranny Please consider donating to my ko-fi account. https//:ko-fi/timthagoras

    Likely audience: Conspiracy theory researchers

  3. 3
    9/11 Planes Research2K subscribers

    SubstackEvery two weeks · last post 14 days ago

    From recent posts: This publication presents conspiracy theories and alternative interpretations of the 9/11 attacks, including claims that United Flight 175 did not crash and that United Flight 93 landed at Reagan National Airport. It…

    Likely audience: 9/11 conspiracy theorists

  4. 4
    0ne Little Alien2K subscribers

    SubstackMonthly or less · last post 55 days ago

    From recent posts: The article commemorates the 25th anniversary of September 11, 2001, by sharing videos and commentary from various sources that argue the official government narrative regarding the attacks is a lie. It features perspec…

    Likely audience: Conspiracy theorists

  5. 5
    K-J—

    SubstackEvery two weeks · last post 24 days ago

    From recent posts: K-J publishes a weekly newsletter dedicated to September 11 conspiracy theories, featuring articles on structural engineering theories, hologram claims, and alternative media analysis. The publication targets readers…

    Likely audience: Conspiracy theory researchers

  6. 6
    Jane Cena—

    SubstackMonthly or less · last post 15 days ago

    ....

    Likely audience: 9/11 researchers

  7. 7
    CheckTheEvidence—

    SubstackMonthly or less · last post 32 days ago

    Alternative Knowledge notes and analysis

    Likely audience: 9/11 truth seekers

  8. 8
    Ryan Gabriel—

    SubstackMonthly or less · last post 55 days ago

    Catholic cognitive science educator, writer and researcher delving into counter-psyops, demystifying media manipulation and defending the Catholic Faith.

    Likely audience: 9/11 conspiracy theorists

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