Understanding why ocean water is salty but river water isn’t is a fascinating topic, and one that has intrigued scientists for centuries. The answer lies in a combination of geological and natural ...

Roughly 71% of the Earth's surface is covered in water, but not all of it is created equal. The fresh water we need for survival accounts for only about 3.5% of all the liquid water on the planet, ...

Curious when the ocean freezes? Learn how salt affects freezing and why sea ice forms in only the coldest climates.