On Earth, water is so intertwined with life that our search for life on other worlds is essentially a search for water. When ...

Oxygen-starved ocean “dead zones,” where fish and animals cannot survive, have been expanding in the open ocean and coastal waters for several decades as a result of human agricultural and industrial ...

Over the past two decades, more than one-fifth of the world's oceans, an area exceeding 75 million square kilometers, have ...