A 12,000-year-old discovery offers a rare look at the emergence of complex technologies employed by America’s early inhabitants.

For over a century, strange machining marks on Egyptian stone have defied explanation, showing levels of precision beyond even modern tools. Some researchers now connect this evidence to a dooms day ...

Archaeologists have long known that complex societies can unravel with startling speed, but a growing body of evidence suggests at least one ancient culture reached a level of sophistication that ...