WASHINGTON (AP) — A 3,500-year-old clay tablet discovered in the ruins of the library of an ancient Mesopotamian king, then looted from an Iraqi museum 30 years ago, is finally headed back to Iraq.

A 3,700-year-old Babylonian clay tablet reveals the oldest known trigonometric table, showing ancient scribes used precise triangle ratios.

Couples in Mesopotamia could have been the first ones smooching as we know it. New research analyzing written records from the area reveals that people in the Cradle of Civilization could have ...