Tiangong Space Station
China’s three-module, roughly 100-tonne space station, assembled in orbit between 2021 and 2022, hosts rotating three-person crews about 390 km above Earth.
Space Station
International Space Station (ISS)
A 420-tonne laboratory the size of a football field, orbiting at 28,000 km/h and continuously inhabited since November 2000 by crews from five space agencies.