When the Greek historian Herodotus wrote that the ancient Egyptians' land was "given them by the river," he was referring to the Nile, whose waters were essential to the rise of one of the world’s ...

Spoiler alert—there is no clear winner in the battle for the longest-lasting civilization. The trouble starts with defining what exactly qualifies as a civilization. Traditionally, the hallmarks of ...

Something about vanished civilizations grabs us by the collar and won’t let go. Here were societies that built monumental architecture, developed writing systems, engineered complex water networks, ...