New model shows Earth’s deep mantle was drier from the start — ScienceDaily

Earth’s mantle is the thick layer of silicate rock between Earth’s crust and its molten core, making up about 84% of our planet’s volume. The mantle is predominantly solid but, on geological time scales, it behaves as a viscous fluid — as difficult to stir and mix as a pot of caramel. But, sticking with … Read more