HELSINKI — China’s latest crew of three astronauts arrived at the Tiangong space station Thursday following launch from Jiuquan spaceport in the Gobi Desert. The Shenzhou-18 spacecraft completed rendezvous and docking with Tiangong’s radial docking port at 3:32 p.m. Eastern (1932 UTC), April 25, China’s human spaceflight agency announced shortly after the event.