Scientists Discover Two Massive Structures Deep Within Earth’s Mantle, Say It Could Be Remains of Ancient Planet For decades, ...

Save guides, add subjects and pick up where you left off with your BBC account. The Earth has a layered structure made up of the core, the mantle and the crust. Different elements are present in ...

The mysterious structure of Earth and its mantle has kept scientists hooked, and they keep studying it to make new discoveries every day. The geography of Earth already felt different from what ...

The universe's largest structure, the Hercules-Corona Borealis ... Hercules-Corona Borealis Great Wall are actually closer to Earth than previously suspected. The Hercules-Corona Borealis Great ...

A recent study investigating giant "island" structures near Earth's core has deepened the mystery surrounding them: As well as suggesting they are truly ancient structures, the research may alter ...

However, a new discovery suggests that the Earth’s core is surrounded by an unexpected ancient structure. A high-resolution map of the underlying geology beneath Earth’s Southern Hemisphere ...

These unexpected regions of the Earth's innards appear to be hotter and older than other structures nearby that are known to be sunken tectonic plates, possibly being around 500 million years old ...

Scientists at the Australian National University have made a highly unusual discovery thousands of miles beneath the Earth's surface: a doughnut-shaped structure within our planet's liquid core.

This exceeds the size of the near-300-km-wide Vredefort impact structure in South Africa, which to date has been considered the world's largest. Related: 10 Earth impact craters you must see The ...