An irreversible shift in the chemical makeup of the Arctic Ocean driven by climate change is disrupting the region's food ...

University of Edinburgh scientists say declining Arctic sea ice is causing irreversible changes to the ocean food chain and ...

A food chain shows how plants and animals get their energy. The arrow means 'is eaten by' and shows the movement of energy in the food chain. The initial source of energy for all food chains is the ...

For the first time, Antarctic krill have been found on seafloor vents. One scientist is working to figure out what they are doing there. Kim Bernard, at left, is an expert on Antarctic krill, a ...

Sharks may be known for being the greatest terror of the seas, but even they can be attacked and killed. In fact, this hunter will make sharks their prey.

Nitrate –  a key nutrient for plankton to grow – is being removed from the Arctic Ocean due to climate change, new study suggests ...