Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.

The 776th session of the Xiangshan Science Conference, themed "Key Scientific and Engineering Challenges in Near-Earth Asteroid (NEA) Defense," convenes on March 13 at the Xiangshan Hotel in Beijing.

A team of Chinese scientists has created a six-legged "space mining robot" inspired by insects, which could be used for prospecting and mining on the moon or asteroids in the future.

Chinese scientists have developed a six-legged "space mining robot" inspired by insects, which may be used for prospecting ...