This discovery challenges the idea that Earth's core is completely isolated from the rest of the planet. Earth is composed of three main layers: the crust, the mantle, and the core.

Strong new evidence suggests that primordial material from the planet’s center is somehow making its way out. Continent-size ...

This discovery suggests that all the siderophile elements – those that migrated to the core when the Earth was young and molten all the way through – are leaking out of the core. That includes ...

Well, ruthenium does exist on the Earth’s surface – but, like gold, it’s far more abundant within the core. 100 Ru specifically is even more traceable: “the Ru isotope composition of ...

As meteorites bombarded one another in Earth’s early history, a reservoir of these precious metals developed when the core formed about 4.5 billion years ago.

As meteorites bombarded one another in Earth’s early history, a reservoir of these precious metals developed when the core formed about 4.5 billion years ago.

As meteorites bombarded one another in Earth’s early history, a reservoir of these precious metals developed when the core formed about 4.5 billion years ago.

As meteorites bombarded one another in Earth’s early history, a reservoir of these precious metals developed when the core formed about 4.5 billion years ago.