China’s Tiangong space station to double in size as Nasa phases out ISS

China has confirmed plans to expand its space station, potentially more than doubling in size to meet growing scientific demand and expand international cooperation. The Tiangong and the International Space Station (ISS) are the only space stations operating in low Earth orbit. The ISS, led by Nasa and built with contributions from 15 countries, is the biggest structure in space and has been a lab