These hidden blobs show how much remains unknown about our planet's interior, and how ancient rocks can unlock secrets about ...

Research led by the University of Liverpool has identified magnetic evidence that two immense, ultra-hot rock structures located at the base of Earth’s mantle, around 2,900 kilometres beneath Africa ...

Most of the time, the shape of Earth’s magnetic field is quite similar to that which would be produced by a bar magnet aligned with the planet’s rotation axis. This is what makes a magnetic compass ...

Exploring Earth's deep interior is a far bigger challenge than exploring the solar system. While we have traveled 25 billion km into space, the deepest we have ever gone below our feet is just over 12 ...

Hidden mega-structures deep inside Earth may have been quietly steering our planet’s magnetic field—and rewriting what we ...