While it's unlikely the deep-buried treasure chest will ever be cracked open, scientists call the discovery significant.

The crust acts like a thin outer shell, the mantle is a less ... The detection of Ru linked to the core demonstrates that precious metals, including gold, can move out of the center of the Earth.

Almost all of Earth’s gold is hundreds of feet below the surface. But some of it is oozing from the core into the mantle.

You might think the Earth’s largest gold reserves are locked up at Fort Knox. But Earth’s core is rich with the precious metal – and it’s slowly making its way up towards us, according to ...

“Our data confirmed that material from the core, including gold and other precious metals, is leaking into Earth’s mantle above.” Messling and collaborators explained their findings in a ...

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. For a long time, there has been a missing puzzle ...

This week, see how gold is leaking from the planet’s core, watch sharks sharing a communal meal, unearth Egyptian tombs, and more.