But waterfalls are not just beautiful; they also help scientists decipher Earth’s history because of the geologic clues that can be gleaned from the ways they form.

Waterfalls can form in a surprising new way. Here's how. For the first time, scientists have demonstrated that it's possible for a river to spontaneously form a waterfall.

Earth's largest waterfall is hiding in the ocean. The Denmark Strait cataract is buried inside Arctic waters and stretches over 11,500 feet. In comparison, the Niagara Falls, comprising three ...