Two Chinese astronauts have lifted off for the the Tiangong 2 docking target, a Salyut-class mini-space station acting as a training ground for operations at the larger orbital laboratory planned for launch in 2022. Liftoff from the human-spaceflight launch center at Jiuquan, in the Gobi Desert, came at 7:30 a.m. Monday (7:30 p.m. Sunday EDT) as the sun was rising over the pad. Crew members Jing Haipeng and Chen Dong are scheduled to ...