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

Here, we explore six notable civilizations that have collapsed, shedding light on some of the causes behind their demise and some interesting parallels relative to today. Ancient civilizations that ...

A fringe conspiracy about reptilian elites leads into the Silurian hypothesis, which asks whether an ancient advanced civilization could have existed without leaving detectable traces. Beyond the ...