A 2014 satellite photo of the Sivash region shows off the kaleidoscopic colors of a series of shallow, hypersaline lagoons — ...

There are basically four types of algae, based on their color: green, blue-green, red, and brown. Green and blue-green algae are found in freshwater as well as saltwater. Red and brown algae are found ...

The White Cliffs of Dover are stunning natural phenomena that get their signature color from dead algae. Produced by Arielle Berger. Original reporting by Jessica Orwig. Follow BI Video ...