Cartoon of the Earth with cutaway showing the mantle and inner and outer core. Magnetic field lines produced by the geodynamo extend into space and interact with the solar wind. The iron-rich core at ...

Cartoon of the Earth with cutaway showing the mantle and inner and outer core. Magnetic field lines produced by the geodynamo extend into space and interact with the solar wind. The iron-rich core at ...

Here’s what you’ll learn when you read this story: Precious metals are leaking out of Earth’s core into the mantle, a new study suggests. Scientists identified a particular isotope of ruthenium (Ru) ...