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 engineering.

A controversial new study has suggested that the Great Pyramid of Giza may be a lot older than we think it is. While this will certainly prick people's ears up, there are plenty of reasons to remain ...

For 5,000 years scholars, generals, and mystics have been fascinated by the Egyptian pyramids. That obsession persists in the modern age. Today the Pyramids of Giza are surrounded by desert. But 4,600 ...

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 ...