New research reveals that ice algae can store nutrients which may enable them to colonize more of the ice sheet, darkening and melting it.

The 'red tide' is a natural phenomenon caused by the massive shedding of algae from deep waters, which can be triggered by storms or the natural aging of the algae.

Sargassum floats near the water’s surface, while kelp is anchored to rocks on the ocean floor. Both of these types of algae feed and give shelter to other marine life, including fish, turtles, ...

Saffron Cole-Nottage, 32, is believed to have lost her footing on the algae-covered path while out walking her dog with her daughter and plunged down a gap between the giant rocks. The mother-of ...