The pyramids at Giza are usually described as the ultimate building project, millions of blocks stacked skyward by sheer human effort. A growing fringe of researchers and online theorists is now ...

A researcher claims the Great Pyramids may predate ancient Egypt and could be the work of a lost civilization with advanced ...

For centuries, the Great Pyramid of Giza has been shrouded in mystery, with its origins tracing back to the Fourth Dynasty of ancient Egypt. However, a growing body of controversial evidence is ...

Scientists have proposed a groundbreaking new theory on how Egypt's Great Pyramid was built, positing that they had to use a pulley and counterweight weight system to erect it so quickly. It was a ...

This file Aug. 19, 2011 photo shows tourists as they leave the Bent Pyramid at Dahshur, about 25 miles south of Cairo, Egypt. An international heritage research group says scientists will begin ...