Life aboard the International Space Station (ISS) presents unique challenges and experiences for astronauts. They follow a strict schedule of scientific experiments, exercise, and station maintenance.

The three Chinese astronauts have carried out experiments and improvements to the space station during their time in space. Two of the astronauts, Cai and Song, conducted a nine-hour spacewalk ...

and make improvements to the space station. China built its own space station after it was excluded from the International Space Station owing to U.S. national security concerns over the control ...