Researchers studying decades of earthquake data say they have found the first evidence that, in addition to spinning backward ...
Earth’s core is located below the middle layer called the mantle and the outer layer –or crust. It consists of two main parts ...
This article was originally published with the title “ The Plastic Layer of the Earth's Mantle ” in Scientific American Magazine Vol. 207 No. 1 (July 1962), p. 52 doi:10.1038 ...
Scientists of course cannot cut into Earth and directly observe its insides. Instead, their knowledge is inferred from the ...
Earth’s innermost layer is a hot, solid ball of metal surrounded by a liquid metal outer core. For decades, planetary scientists suspected that the solid inner core deformed over time as it spun.