Add Yahoo as a preferred source to see more of our stories on Google. Like a mosquito tunneling into the skin to get at the rich feast within, geologists poked a long, narrow drill into Earth's crust ...

Geologists have spent decades trying to punch through Earth’s crust to reach the mantle, the vast rocky layer that makes up most of the planet’s volume. In 2023, an international team working from a ...

Deep beneath our feet, far below the crust and mantle, Earth’s metallic heart is not as sealed off as geologists once assumed. New research indicates that gold and other precious metals are slowly ...