China has launched it's youngest-ever crew of astronauts into space as part of its ambitious space program. The three-person crew will dock on the country's homegrown "Tiangong" space station, where they'll conduct experiments and space walks for the next six months.

Three Chinese astronauts, part of the Shenzhou-18 mission, safely returned to Earth after a successful six-month stay on the Tiangong space station. T