China’s Shenzhou-20 spacecraft returned to Earth with no astronauts inside – just metal, heat and a cracked window – touching down at the Dongfeng landing site in Inner Mongolia on Monday. The hull appeared to be darkened after enduring the intense heat and stress of re-entering the Earth’s atmosphere. But on-site inspections revealed the capsule’s exterior was generally intact and the returned items inside were in good condition, according to Chinese space authorities. In an interview with...