China's Space Station Faces Unexpected Challenges
China's space station, Tiangong, is in a bit of a pickle. A recent mission had a hiccup, and now things are getting tricky. The Shenzhou-20 spacecraft had a window crack, making it unsafe to fly. So, the astronauts Chen Dong, Chen Zhongrui, and Wang Jie had to come back to Earth in the Shenzhou-21 spacecraft, which was supposed to stay in space for another six months...