Arctic sea ice levels are crucial to Earth's climate because, without the ice reflecting sunlight, more heat energy goes into the oceans.

Sea ice is rapidly dwindling as Arctic temperatures skyrocket, with enormous consequences for local ecosystems, Indigenous communities and the world’s climate system. But some scientists say it’s ...

An acoustic sound source manufactured at the Marine Science Development Center for Scripps researcher Matthew Dzieciuch being deployed in the Arctic Ocean from the U.S. Coast Guard Icebreaker Healy.

In recent years, the Arctic has become an economic and defense flashpoint right on Canada’s northern frontier. Climate change ...