Long before modern observatories and spacecraft, court scribes in ancient China were quietly building one of humanity’s first datasets on the changing sky. Their terse notes on sudden daylight ...

Nurtured by the alluvial planes of the Indus river, the Indus Valley hosted one of the world's oldest urban cultures. From 3300 to 1700 BC, the Indus people built impressive cities like Mohenjo-daro ...

Ancient China began as a group of isolated communities during the Stone Age and eventually grew into a formidable empire. Ancient Chinese people developed their own writing system and several famous ...