New scans of the Pyramid of Menkaure at Giza have revealed two hidden chambers tucked behind its eastern face, air-filled voids that appear to trace the line of a long-suspected secondary entrance.

Waterpower may have given a big lift to builders of Egypt’s oldest known pyramid, the nearly 4,700-year-old Step Pyramid of Djoser at Saqqara. Ancient architects built a hydraulic system for hoisting ...

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A 40-mile stretch of a long-gone branch of the Nile may explain why the ancient monuments were built where they were. Children ride a donkey near the Step Pyramid of Djoser in Saqqara, Egypt. Built ...