Warming waters are causing the colors of the ocean to change -- a trend that could impact humans if it were to continue, ...

Algae in the ocean can pose a significant risk to humans, marine life, and the seafood industry. Under favorable conditions ...

Earth has not always been so hospitable to live. During several ice ages, the planet's surface was almost completely frozen over, creating what has been dubbed "Snowball Earth".

When the Earth froze over, where did life shelter? MIT scientists say one refuge may have been pools of melted ice that ...