Plus: President Donald Trump announces new tariffs for copper, Brazil and more. | Death tolls rise in the flooding disasters ...

Researchers have measured toxins in scat samples from 205 bowhead whales from the Beaufort Sea, collected over 19 years, and ...

Asia is the continent with the largest land mass extending to the Arctic Ocean, and is warming nearly twice as fast as the ...

Satellite observations have revealed that sea ice in the Arctic is once again hovering near record lows for this time of year ...

Harmful algae blooms have been rapidly producing in a place previously too cold to host the toxin: the Arctic.

The Greenland shark - the world's longest-living vertebrate - is most often associated with cold Arctic waters. However, a ...

Because salt water draws up heat from the deep ocean and makes it harder for sea ice to regrow - as well as bringing up ...

New research challenges the long-held belief that the Arctic Ocean was covered by a massive ice shelf during ice ages.

For decades, scientists believed the Arctic Ocean was sealed under a massive slab of ice during the coldest ice ages — but new research proves otherwise. Sediment samples from the seafloor, paired ...

You probably know polar bears as the big white animals roaming the Arctic, but there’s a lot about them that doesn’t make it into the usual stories. They deal with extreme cold, hunt in ways no other ...