Located 3,000 miles below the Earth's surface, the inner core is anchored by gravity within the molten liquid outer core. Until now the inner core was widely thought of as a solid sphere.
At the center of our planet is a very hot rotating ball of mostly iron and nickel (sorry Journey to the Center of the Earth ...
Scientists of course cannot cut into Earth and directly observe its insides. Instead, their knowledge is inferred from the ...
Scientists found that the inner core’s structure changes as it rotates. It deforms at its border, potentially accumulating more material in some areas and less in others — almost like creating hills ...
Researchers studying decades of earthquake data say they have found the first evidence that, in addition to spinning backward ...