Geologists studying some of the planet's oldest volcanic rocks have uncovered new evidence that water was playing a major ...

Nearly 660 kilometers (410 miles) beneath Earth's surface lies one of the planet's most important internal boundaries. Known ...

A surprising reversal in molten iron flow beneath the Pacific is giving scientists a sharper view of how Earth’s magnetic ...

A cluster of at least three asteroids between 20 and 50 kilometres across colliding with Earth over 3.2 billion years ago caused a massive change in the structure and composition of the earth’s ...

A new global study is offering a clearer view of how some of the world’s most valuable mineral deposits form, tracing their ...

Why Don’t We Notice Earth Spinning? We do not feel Earth moving beneath our feet because its rotation is smooth and steady. What we notice are changes in motion, not constant motion itself. That is ...

When you think about a large asteroid impact, you might imagine a moment of devastation: a violent collision, a blast of heat ...

The sun may rise every morning, but the amount of sunlight reaching Earth's surface can substantially vary over decades, according to a perspective article led by an international research team. The ...

Long before oceans teemed with life, Earth endured relentless violence. Asteroids slammed into its surface again and again, ...

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...