The gunman who opened fire at Mexico's Teotihuacan pyramid, killing a Canadian tourist, admired U.S. school shooters and Hitler, authorities said.

Discover 25 facts you won't find in a quick Google search. Dive into obscure knowledge, historical archives, and scientific ...

Archaeologists have unearthed skeletons with their hands apparently bound behind their backs, who were decapitated or had ...

At least one person was killed Monday when a man opened fire at the Teotihuacan pyramids, a key Aztec archaeological site and one of Mexico's most popular tourist attractions. The perpetrator later ...

Add Yahoo as a preferred source to see more of our stories on Google. Gunman opens fire at Mexico's Teotihuacan Pyramids, killing at least one At least one person was killed Monday when a man opened ...

A haze of wood ash from a burning fire floated into a pot of boiling dried corn kernels some 3,500 years ago in what is now present-day Mexico. This process, known as nixtamalization, changed the ...

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