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Nonprofit organization of architects, engineers, and affiliates
The claim that "jet fuel melted steel beams" compresses complex engineering facts into a misleading phrase: ; weakened steel at high temperatures and fire-damaged connections are central to scientific...
The claim that the World Trade Center towers were brought down by a pre-planted “controlled demolition” is a central tenet of the 9/11 Truth movement but has been repeatedly examined and rejected by m...
The 9/11 truth movement is a heterogeneous coalition of organizations, individual activists, and some public figures who dispute key elements of the official account of the September 11, 2001 attacks,...
The 9/11 Truth movement is a long‑running, loosely organized “truther” movement that denies or disputes the mainstream account of the September 11, 2001 attacks and advances theories such as controlle...
Proponents of the controlled-demolition theory say the collapses of the Twin Towers and World Trade Center 7 bear the hallmarks of pre-planted explosives — citing visual collapse patterns, eyewitness ...
Controlled-demolition proponents point chiefly to visual collapse features (straight-down, rapid descent and apparent free-fall), eyewitness reports of explosions or “squibs,” claims of molten metal/c...
Documented examples of misinformation promoted by 9/11 conspiracy proponents include assertions that no plane hit the Pentagon and that Building 7 was brought down by controlled demolition; mainstream...
Four hours after the World Trade Center was struck, five men—reported in mainstream and later-conspiracy literature as Israeli nationals—were detained by the FBI after witnesses and bystanders said th...
Independent structural engineers offered both measured endorsements and sharp criticisms of NIST’s 2005 (Towers) and 2008 (WTC 7) reports: many in the professional community accepted NIST’s procedural...
The American Society of Civil Engineers (ASCE) participated in early technical work after 9/11 through experts and its Structural Engineering Institute, contributed to and publicized peer-reviewed ana...
New, previously sealed material has surfaced in recent years — including video and tapes found in Omar al‑Bayoumi’s 2001 apartment and large archives of 9/11 footage — and some of that material was no...
Fox News has a mixed public record on Tucker Carlson’s recent promotion of 9/11 conspiracy themes: reporting shows Carlson produced a multi‑part series (“The 9/11 Files”) that casts doubt on the offic...
Governments, academics, and journalists have repeatedly pushed back on core claims of the 9/11 Truth movement — especially controlled‑demolition theories about the Twin Towers and WTC 7 and assertions...