In a preprint paper, scientists concluded that the Step Pyramid of Djoser in Saqqara, Egypt—believed to be the oldest of the seven monumental pyramids and potentially constructed about 4,500 ...

Roger Anis Twenty miles south of Cairo, on the Nile's west bank, where riverfed crop fields give way to desert, the ancient site of Saqqara is marked by crumbling pyramids that emerge from the ...