Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

Earth has four primary layers: the crust, mantle, outer core, and inner core. The crust is a thin, solid layer upon which all life resides. Underneath it is the mantle, a hot, ...

The Sun, our life-giving star, is slowly dying. In about 5 billion years, it will exhaust its fuel and transform into a red giant, altering the solar system forever. But long before that, the Sun’s ...

Canadian scientists found the oldest known rocks on Earth - dating back 4.16 billion years - shedding light on our planet’s ...

The Grand Canyon is a gigantic geological library, with rocky layers that tell much of the story of Earth’s history. Curiously though, a sizeable layer representing anywhere from 250 million ...

The Earth’s interior is far more complex than what we are taught in school. Instead of just three layers- crust, mantle, and core- the Earth is made up of multiple intricate layers, each with ...

In the Afar Depression of East Africa, a remarkable geological transformation is unfolding, with scientists revealing that ...

Thick clay deposits on Mars hint at long-lived lakes that may have sheltered early life - and preserved clues beneath layers ...

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 ...

An analysis of Hawaii’s volcanic rocks revealed Earth’s core is leaking gold and other precious metals, a study found. The elements emerge when ocean islands form.