Two enormous structures that sit at the border between the Earth's mantle and its core have puzzled scientists for decades.

About 1,800 miles (2,900 kilometers) below our feet, two enormous patches of strange rock sit above Earth’s core. New ...

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. Our ...

Scientists may finally be closing in on the origins of two colossal, mysterious structures buried nearly 1,800 miles inside ...

Around 3,000 kilometers (1,864 miles) beneath our feet, there's a mysterious band of material called the D" layer, which has long fascinated scientists for its lumpiness. Thin in patches and thick ...

One of the strangest mysteries about our Earth is the presence of two dense, giant blobs inexplicably clustered above the ...

Two mysterious blobs deep inside Earth may hold clues about the origin of life on our planet, new research finds. Deep ...

Deep under our feet—almost 1,800 miles below the surface—scientists have found two huge and mysterious structures that may ...

Deep inside Earth, far below the crust and oceans, lie vast hidden regions that many geophysicists suspect could have shaped ...

(WHTM) — Throughout our daily lives, we may not think that Earth is fascinating and we may take advantage of living on it. But what is inside the place that we call our home? What is deep inside that ...

Talc reveals a phase of superhydration in cold subduction, demonstrating that the ocean sends more water to the depths of the Earth.

Jupiter, eat your heart out. Our planet may have ripped apart an asteroid and worn its scattered debris as a ring for a while. 466 million years ago, Earth was an alien world. Trilobites swam through ...