A major ocean current in the Arctic, the Beaufort Gyre, is changing rapidly due to climate warming—and this could trigger a ...

A dramatic shift is unfolding in the Arctic Ocean, where killer whales (orcas ... long-term effects of climate change on the Arctic food chain. A key part of this effort involves collaborating ...

The polar bear tops the food chain. September sea ice — the ice ... Some scientists predict that the Arctic Ocean will be almost completely ice-free during the summer by 2040.