The core module of China's Tiangong space station has passed the milestone of 1,000 days in low Earth orbit. China launched the 54-foot-long (16.6 meters) module — named Tianhe, or "Harmony of the ...

As a manned spacecraft operating in orbit for a long time, a space station embodies a country’s scientific and technological strength comprehensively. China’s manned space project was approved in 1992 ...