Mother Nature is an unquestionably prolific architect. But some of her tools are more subtle than others. According to a study published yesterday in the journal Nature, some waterfalls might not ...

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

Using a scale-model riverbed 24 feet long and one foot wide, a team of scientists found a new mechanism that could form waterfalls without the commonly thought of external forces such as tectonics, ...