The Earth's inner core, long considered a solid and stable sphere, may be quite different. A recent study suggests that its ...

A new study out this week said that the Earth's inner core is less solid than previously thought. Scientists still have questions, though.

Dust off your old science textbook from grade school and you’ll probably find a familiar illustration of the Earth sliced in half, revealing the planet’s layers, from the crust down to the core — ...

Earth’s core is located below the middle layer called the mantle and the outer layer –or crust. It consists of two main parts ...

A number of readers have inquired as to the status of garden soil or landscaped ground following a fire.