The Kardashev Scale, introduced in 1964 by Russian astronomer Nikolai Kardashev, is a framework for ranking civilizations ...

The bold question-askers at What If look into how advances in aging science could reshape families and civilization.

Archaeologists Discover More Than 100 Structures Linked to a Mysterious Pre-Columbian Civilization in the Remote Peruvian Andes Based in high-altitude urban centers, the Chachapoya resisted ...