The Grand Canyon is a layer cake of geological history, with rocks stacked neatly upon one another as they were laid down millions of years ago. That is, until you get deep into the canyon and find ...

Waterfalls form through various geological processes, but they all involve water flowing over a sudden drop in elevation.

Far out in the Atlantic, Bermuda rises from the ocean as if it’s breaking the rules of geology. It sits on a broad hump in the seafloor, about 500 meters above the surrounding seafloor, yet its ...

Doug winds his way through the sculpted red rock formations of Utah and Arizona. In red rock country the Earth’s crust has been pushed up by the collision of two tectonic plates, lifting the land in ...

Along Ireland’s western coast, especially near places like the Cliffs of Moher and the Burren region, the rugged cliffs rise in stacked layers that look strangely like enormous stone staircases. These ...

Rock coasts, which make up over half the world's coastlines, could retreat more rapidly in the future due to accelerating sea level rise. Rock coasts, which make up over half the world's coastlines, ...

ST. AUGUSTINE BEACH, Fla. — Some hefty rocks appear to have been moved. And these aren’t just any rocks. And they didn’t go to just anywhere. "This is the closest surf spot to my house," Nathan ...

In Greece’s Meteora region, enormous rock towers rise from the landscape, and some boulders appear to balance delicately on narrow points. These formations look unstable, yet they remain firmly in ...