The Babylonian map, believed to date from around 500 BCE, is a clay tablet that depicts the world as it was understood at that time.

A strange stone disk unearthed in Italy dating to about 3,000 ago could be an ancient map of the brightest stars in the night sky, a new study suggests.

Researchers at Italy's National Institute for Astrophysics discovered a celestial map believed to be from between 1800 to 400 BC. Scientists say there's one star on it that doesn't match our sky.