The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball ...

The Earth has a layered structure made up of the core, the mantle and the crust. Different elements are present in different parts of the Earth’s structure. The crust is made from enormous ...

Researchers have made a new discovery that changes our understanding of Earth’s early geological history, challenging beliefs about how our continents formed and when plate tectonics began.

The Earth is made up of four major layers ... Professor Tkalčić and his co-author Dr Xiaolong Ma were able to detect this structure by studying the faint traces left behind by waves many ...

“We found evidence that may indicate a change in the structure of iron, which suggests perhaps two separate cooling events in Earth’s history. The details of this big event are still a bit of ...

But how good is your knowledge of Earth's inner structure? Find out by taking this quiz. If you need a hint, hit the yellow button. Good luck! —Equator quiz: Can you name the 13 countries that ...

Scientists have always been curious about the atmosphere surrounding us, but in the past, they could not just hop on a spaceship to see what was up there. Instead, scientists hiked up high ...