In a surprising twist, al-Qaeda issued a statement ridiculing 9/11 conspiracy theories claiming U.S. involvement in the attacks.
Conspiracy theorists prefer complex mysteries over simple truths, and find mystery where none exists.
The government has announced that a "mystery missile" was in fact a jet contrail. But what does the evidence show?
Discovery News readers had a knack for finding conspiracy theories in just about everything this week -- from orange goo to dancing squid.
Mysterious sounds heard and recorded around the world have fueled conspiracy theories.
A NASA scientist claims to have figured out the origin of those mysterious white lines in China's desert.
Large-scale disasters and tragedies are fertile breeding ground for rumors, speculation, and conspiracy theories.
From secret drug tests to nuclear bombs set off in the atmosphere -- you'll wish you never knew, too.
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