The pyramids were built with stone blocks so massive that even modern machinery would struggle to move them. The official explanation says ropes, ramps, and manpower — but the math doesn’t quite work.

Venezuela has a ton of oil. It also has something else America needs Food pyramid faces scrutiny as Ben Carson reveals why ...

How ancient builders raised the mighty pyramids still captures the curiosity of historians and scientists. Despite decades of digging, high-tech scanning, and countless theories, the puzzle remains: ...

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 ...

Color illustrations, including front cover. Hidden ramps may solve the mystery of the Great Pyramid's construction. https://siris-libraries.si.edu/ipac20/ipac.jsp ...