A year after China returned the first rock samples from the moon’s far side, scientists are debating whether the mission has answered a central question in lunar science – and whether the country’s rising scientific dominance is challenging who gets to tell the story of the moon’s past.While a team of Chinese researchers believes they may have nailed down the age of the moon’s largest and oldest crater – a colossal impact basin that could hold clues to the early solar system – other scientists,...