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 ...

Research on hidden structures deep within Earth’s mantle challenges theories about our planet’s middle layer and could ...

"Thus, Earth exists inside the Sun’s atmosphere. Outside the heliosphere is interstellar space." Though being in the Sun's atmosphere could sound a little scary, the heliosphere protects us from ...

Sinking in one place leads to plates moving apart in other places. The movement of the plates and the activity inside the Earth, is called the theory of plate tectonics.

geophysicists can draw conclusions about the structure and composition of the Earth and examine the processes that take place inside it. Now, however, a team of geophysicists from ETH Zurich and ...

Carbon, which is found in the human body, takes an unusual journey after the demise of the the stars that create the element.