China launched a rocket carrying three astronauts to its space station on Thursday to replace three others who have been aboard since last October, the agency in charge of the country's human spaceflight program said.A Long March-2F rocket carrying the Shenzhou-18 spacecraft lifted off from the Jiuquan Satellite Launch Center in China's northwest province of Gansu at 8:59 p.m., according to the China Manned Space Agency.The three male astronauts of the People's Liberation Army will remain on the Tiangong space station for six months, perform various in-orbit space science and application ex…READ FULL ARTICLE