Ultra precise Chinese lattice clock joins international system, challenging decades of US dominance in global timekeeping ...

Did you ever wonder what time it is on the moon? A software package developed by researchers in China can finally tell you. The model, built by a team from the Purple Mountain Observatory in Nanjing ...

HONG KONG, May 27 (Reuters) - A collection of rare Chinese moving clocks, a Qing dynasty brushpot and Ming-era carved rhinoceros horns were among the highlights of a Christie's sale of Chinese ...