DIFFICULTY falling asleep, staying asleep, and daytime sleepiness could mean you’re at risk of early death from circadian syndrome (CircS), say scientists. CircS is a concept that links ...

KUNMING -- Chinese scientists have achieved satellite laser ranging in the Earth-moon space in daytime for the first time in ...

An atomic clock research team from the National Time Service Center of the Chinese Academy of Sciences has proposed and ...

Police say 11 people aged five to 65 were killed and more than two dozen injured when a man drove an SUV into a crowd of ...

In the sweltering summer of AD18, a desperate chant echoed across China's sun-scorched plains: "Heaven has gone blind!" ...