Scientists discovered that volcanic eruptions in India’s Deccan Traps 66 million years ago released gases that altered ...

It creates the Earth's magnetic field and is about 1,400 miles (2,300 kilometers) thick. The next layer is the mantle. Many people think of this as lava, but it's actually rock. The rock is so hot ...

Volcanoes are cracks in Earth's crust that ... Or the crust can crack open enough to let melted rock from the next layer of Earth, the mantle, rise to the surface. One place this happens is ...

A giant patch of black, fossilized lava that was spewed across the Sahara desert over millions of years looks like an eerie, gold-speckled shadow in this stunning composite of three years' worth ...

"Three out of every four live volcanoes on Earth are here,” says National Geographic. “Almost all earthquakes happen here, too." The Ring of Fire is the result of plate tectonics − giant ...

Scientists now know how to drill deep enough to tap into an energy supply that would power the world for more than 20 million years if we capture just 0.1 percent of it.

Earth is divided into four layers: the inner core ... pushed upwards by the force of the plates' movement. Tall, steep volcanoes can also form as a result of the denser rock melting and the ...