The oldest star chart in the world was made in China more than 2,300 years ago ... Related: World's oldest complete star map, lost for millennia, found inside medieval manuscript Historians and ...

Current political and economic issues succinctly explained. Over the past decade, China and Russia have deepened their diplomatic relationship despite a long and complicated history marked by both ...

The Dunhuang map (not the chart studied in the new research) is an early star map from China dating to the Tang Dynasty (A.D. 618 to 907). | Credit: CPA Media Pte Ltd via Alamy The oldest star ...