For years, scientists have debated whether a giant thick ice shelf once covered the entire Arctic Ocean during the coldest ...

Researchers from the Alfred Wegener Institute traveled to the Arctic Sea to study the effects of climate change, and they say ...

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 ...

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

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

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

Even during the coldest 750,000 years, the Arctic Ocean had open water and sustained life thanks to seasonal sea ice. “Our ...

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

Because of an unstable polar vortex, experts have projected record low levels of Arctic sea ice for the coming winter.

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

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

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 ...