Half of Americans Believe in 9/11 Conspiracy Theories

Terrorists attacked the World Trade Center and the Pentagon on Sept. 11, 2001
The World Trade Center shortly after the Sept. 11 terrorist attacks began.
(Image credit: Ken Tannenbaum, Shutterstock)

A majority of Americans believe that the government is concealing information about the 9/11 attacks, one new survey suggests.

And that's not the only conspiracy theory believed by a wide swath of Americans: Around 40 percent believe the government is hiding information about aliens, the John F. Kennedy assassination and global warming. Conspiracy theories about the JFK assassination abound, and scientists say these ideas have become embedded in the very culture surrounding his death, with heaps of TV shows, books and movies on them. [Top 10 Conspiracy Theories Explained]

Latest Videos From
Tia Ghose
Editor-in-Chief (Premium)

Tia is the editor-in-chief (premium) and was formerly managing editor and senior writer for Live Science. Her work has appeared in Scientific American, Wired.com, Science News and other outlets. She holds a master's degree in bioengineering from the University of Washington, a graduate certificate in science writing from UC Santa Cruz and a bachelor's degree in mechanical engineering from the University of Texas at Austin. Tia was part of a team at the Milwaukee Journal Sentinel that published the Empty Cradles series on preterm births, which won multiple awards, including the 2012 Casey Medal for Meritorious Journalism.