The role of astronauts in the International Space Station is to act as lab technicians for scientists back on Earth. So they spend their time maintaining their environment and performing and ...

BEIJING, June 16 (Xinhua) -- Imagine living and working hundreds of miles above Earth for over 50 days. This sci-fi scene has been a reality for China's Shenzhou-20 crew -- Chen Dong, Chen Zhongrui, ...