Normally, younger rocks are deposited above older ones, forming predictable geologic layers. In the North Sea, this process is a bit more complicated.

New research from HKU geologists suggests that Earth's first continents were born not from plate tectonics, but from deep ...

They also used excavators and their hands, going through the earth layer by layer, with search dogs sniffing for any sign of buried bodies.

They also used excavators and their hands, going through the earth layer by layer, with search dogs sniffing for any sign of buried bodies.

Crews are using backhoes and their bare hands to dig through piles of debris that stretch for miles in the search for more than 160 people believed to be missing in the Texas flash floods.

Harrowing stories of rescue emerge from Texas floods as crews search for over 160 reported missing Texas police described some of the harrowing rescues they conducted after flash floods engulfed ...

Crews are using backhoes and their bare hands to dig through piles of debris that stretch for miles in the search for more than 160 people believed to be missing in the Texas flash floods.

Texas police described some of the harrowing rescues they conducted after flash floods engulfed camps and homes in the state's Hill Country ...