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 ...

But like we can study the Earth's interior by looking at seismic waves ... "Thus, Earth exists inside the Sun’s atmosphere. Outside the heliosphere is interstellar space." Though being in ...

Present a model of the Earth's interior (Handout 1 ... a simple example your students can relate to (guessing what is inside a wrapped present by shaking, weighting, feeling, or smelling it).

Little is known about the Earth's interior, and seismology is one of the few disciplines that allows us to gather information about structures and processes inside the Earth. But seismology is also of ...

A new species of fossil from 444 million years ago that has perfectly preserved insides has been affectionately named "Sue" ...

There's a lot more to Earth than meets the eye. Far from being just a roundish rock barreling through space, our planet is composed of several layers held together by intense forces of gravity.

Well, the verdict is in. The Moon is not made of green cheese after all.

Like straight out of Julio Verne's Journey to the Center of the Earth, scientists from Northwestern University and the ...