Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball ...

If it does indeed prove true that the Earth’s true core is a ball of iron, then it could help scientists better understand how our planet came to exist in the first place. Joshua Hawkins Writer ...

the Earth will be transformed into a literal ball of fire, and become uninhabitable for any large animal species, including humans. As per the research, extreme temperatures caused by massive ...

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 ...