The discovery of a new lifeform within Earth’s crust has sent ripples through the scientific community, challenging our ...

Though it might not seem like it on a cold day in winter, the Earth is actually technically inside the atmosphere of the Sun. But evidence outlined in a recent paper suggests it hasn't always been ...

Two Australian scientists argue in a new paper that within the Earth’s core, based on measurements of waves reverberating along the Earth’s diameter, is an innermost inner core, about 800 ...

They reveal that the chemical composition of the deep mantle has remained almost intact since the Earth's formation 4.5 ...

Mysterious 'donut' structure is discovered hidden inside Earth's core - and it could unlock the secrets of our planet's protective magnetic field ...

Two buried ‘supercontinents’ hiding inside Earth could be much older than previously thought By Mindy Weisberger , CNN 7 minute read ...

The Earth's layers (main) and the sun (inset). The sun's influence may reach deeper into the Earth than we thought. ISTOCK / GETTY IMAGES PLUS ...

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

Like most of us, Earth has a lot going on under the surface — even in what may have once seemed to be its most unassuming layer. The mantle, a zone between our planet’s thin crust and the ...