Dust from the far side of the Moon has yielded an unexpected microscopic treasure we've never seen before.A close examination of lunar material collected during the China National Space Administration's Chang'e-6 mission revealed specks of dust from a kind of water-bearing meteorite so fragile it seldom survives the trip through Earth's atmosphere.It's the first confirmed debris of a type of meteorite known as Ivuna-type carbonaceous chondrite – or CI chondrite – ever to be found on the Moon, d...