Add Yahoo as a preferred source to see more of our stories on Google. A model of Earth showing different layers on the inside One of the strangest mysteries about our Earth is the presence of two ...

For decades, scientists have sought to unravel the mysteries hidden deep beneath Earth’s surface. One of the most puzzling regions has been the D" layer, located about 2,700 kilometres (1,700 miles) ...

Add Yahoo as a preferred source to see more of our stories on Google. Earths Innermos tInner Core While most of us take the ground beneath our feet for granted, written within its complex layers, like ...

For decades, geophysicists have known that something unusual happens nearly 2,900 kilometres beneath our feet. Seismic waves from earthquakes suddenly speed up in a thin zone just above Earth’s core.

A team of geophysicists say that an enormous mass shifted deep beneath the Earth’s surface 18 years ago. As detailed in a paper published in the journal Geophysical Research Letters last month, a team ...

Two enormous structures that sit at the border between the Earth’s mantle and its core have puzzled scientists for decades, defying reigning theories of how our planet came to be. In a new study ...