Mysterious hieroglyphs written in red paint on the floor of a hidden chamber in Egypt's Great Pyramid of Giza are just numbers, according to a mathematical analysis of the 4,500-year-old mausoleum.

The U.S. Agriculture Department has revised the familiar food pyramid, hoping to make it simpler. But critics say the "new, improved" pyramid might as well be in hieroglyphics. Called MyPyramid, the ...

Details current archaeological work and scientific reasoning behind the decisions made about where to dig and the items found at the excavation of Giza. Discusses many popular theories of who built ...