Another unmanned spacecraft has successfully reached the new Chinese space station. The Tianzhou 7 (Sky Ship) docked with the Tiangong (Heavenly Palace) space station on Wednesday night, the Chinese state news agency Xinhua reported. The spacecraft, loaded with supplies, was launched from the Wenchang space centre on the southern Chinese island of Hainan on Friday evening. There are currently three astronauts on board the space station. China also plans to return to the moon in the first half of the year. As part of the “Chang’e 6” mission, samples from the far side of the moon are to be colle…