They reveal that the chemical composition of the deep mantle has remained almost intact since the Earth's formation 4.5 ...

Inside the belly of planet Earth, a giant solid ball of metal is surrounded by a swooshing layer of liquid iron and nickel, ...

The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...

The Earth is leaking. The good news is this isn’t bad news, because the Earth is leaking gold and other precious metals.

As meteorites bombarded one another in Earth’s early history, a reservoir of these precious metals developed when the core formed about 4.5 billion years ago.

Gold and other precious metals are leaking from Earth’s core into the layers above, eventually making their way up to the surface during the formation of volcanic islands like Hawaii, a new ...

Earth’s core has two layers: a solid inner core made of iron and nickel and a liquid outer core of molten metal. The solid core is about 70% the size of the moon.

As meteorites bombarded one another in Earth’s early history, a reservoir of these precious metals developed when the core formed about 4.5 billion years ago.