Scientists of course cannot cut into Earth and directly observe its insides. Instead, their knowledge is inferred from the ...
Earth's inner core has changed shape over the past 20 years. A team of scientists studied the core's behavior to understand why its rotation slowed down ...
Earth’s innermost layer is a hot, solid ball of metal surrounded by a liquid metal outer core ... a red giant and swallows the inner planets of the solar system, Vidale said.