The head of NASA has said that China could claim the moon as its own territory if beats the US in the race to the lunar surface. In an interview with Politico, published Sunday, NASA Administrator Bill Nelson said Chinese military expansion in the South China Sea was an indicator of what might happen on the moon. Nelson said: "It is a fact: we're in a space race. And it is true that we better watch out that they don't get to a place on the moon under the guise of scientific research. And it is not beyond the realm...