French architect Jean-Pierre Houdin says his years-long study of the Great Pyramid of Giza suggests that it was built inside-out, and that two unexplored chambers are hidden at the heart of the ...

How exactly was the Great Pyramid built? Inside-out, thinks architect Jean-Pierre Houdin. Courtesy of Virtools In 1999, Henri Houdin, a retired French civil engineer, was watching a television ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Even with cranes, helicopters, tractors and trucks at our disposal, it would be tough to construct the Great Pyramid of Giza today. Its construction 4,500 years ago is so astounding in some people's ...

Scientists have revealed the discovery of a massive chamber hiding deep in Egypt's Great Pyramid of Giza in the journal Nature on Nov. 2. Researchers made the discovery using cosmic ray imaging. The ...

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