Melting ice is an emblem of climate change. For sea ice, the Arctic has been grabbing most of the headlines for its truly ...

Ancient fossils show how much warming tropical oceans can handle before plankton collapse, offering clues about future ...

Drilling for minerals deep in the ocean could have immense consequences for the tiny animals at the core of the vast marine food web — and ultimately affect fisheries and the food we find on our ...

Not-so-fun fact: our oceans hold 150 times more carbon dioxide than the Earth's atmosphere. Adding to that causes ocean acidification, which can disrupt marine food chains and reduce biodiversity.

Smoke and ash could poison plankton and other organisms that form the foundation of the marine food chain, biologists say. Heavy smoke, ash and debris from Southern California’s raging wildfires ...