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 ...

Previous studies were limited to analysis of single earthquakes, providing only a narrow window into the structure deep inside the Earth. This study enables a much wider view than ever before ...

Nobody has ever journeyed to the centre of the Earth, but by studying shockwaves from earthquakes, physicists have been able to work out its likely structure. At the heart of the Earth is a solid ...

The list appears in a paper about to be published in the journal American Mineralogist, external ... elements arranged into crystalline structures. Earth's rocks are built from different aggregations.

They identified parts of chloroplasts, structures within plant cells involved in photosynthesis. The earliest signs of life on Earth are at ... PLOS Biology, external. Follow Helen on Twitter ...

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 ...

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 ...

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 ...