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

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

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

Last year, the most violent geomagnetic storm to strike Earth in over two decades did more than disrupt GPS systems and ...

Earth's inner layers have just got a bit more complicated, with scientists discovering a whole new inner core within the center of the planet. Research released on February 21 in the journal Nature ...

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In the heart of China’s Taklimakan Desert, a remote stretch of arid land in Xinjiang, an ultra-deep borehole is descending ...

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

AUSTIN (KXAN) — A newly confirmed layer of the Earth could give scientists a better understanding of plate tectonics and could help them better predict earthquakes, according to research published by ...

One fateful day about 4.5 billion years ago, a Mars-sized body called Theia collided with proto-Earth, turning both into a ...