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

These rocks contain unexpected isotopic signatures that scientists say could only originate from the very boundary between ...

An analysis of Hawaii’s volcanic rocks revealed Earth’s core is leaking gold and other precious metals, a study found. The ...

Scientists may now understand why some parts of the planet's crust have much higher concentrations of gold than others do. Gold, as well as other rare metals, can be brought to the surface by ...