Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds.

To find out, the team used whole-Earth oscillation data from 104 past earthquakes to create a detailed 3D model of the upper ...

There are other potential explanations for the newly mapped blobs. For example, they may be made of crust-like material left over from the mantle's creation 4 billion years ago.

Potential patches of Earth's ancient crust, sometimes called "sunken worlds," may have just been discovered deep within the mantle, thanks to a new way of mapping the inside of our planet. However, ...

Waves that ripple from Earth's centre can be used to sense what it's made of, and where those materials might be found.

Scientists have identified mysterious formations deep in Earth’s mantle, raising new questions about the planet’s interior. These strange shapes, often referred to as "blobs," or "sunken worlds," ...

Scientists have identified mysterious formations deep in Earth’s mantle, raising new questions about the planet’s interior. These strange shapes, often referred to as "blobs," or "sunken worlds," ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. New research has identified numerous potential subducted slabs in surprising locations ...