Experts had thought that little remained of Theia, from which the Moon was formed, but new evidence points to its presence inside the Earth. A team of scientists from China, the USA, and the ...

The giant-impact hypothesis posits that billions of years ago a Mars-sized body named Theia collided with the early Earth.

The research has been published in the peer-reviewed journal Nature.

A new study has seen scientists unexpectedly find that the inner core of our planet is changing its physical nature ...

Research on hidden structures deep within Earth’s mantle challenges theories about our planet’s middle layer and could ...

The mystery of two "super-continent"-sized structures buried deep in the Earth's mantle has produced a new twist after scientists got a closer look at their composition, suggesting they might be ...

There's a lot more to Earth than meets the eye. Far from being just a roundish rock barreling through space, our planet is composed of several layers held together by intense forces of gravity.

Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds. Known as large low-seismic-velocity provinces (LLSVPs), these blobs are both hotter and ...