Something alarming is happening at the top of the world. Polar bears, long regarded as the living symbol of a warming planet, ...

With the Arctic sea ice maintaining its trend of declining, average extent since the 1980s, there is another side to the story with a unique, slightly more positive statistic. The Arctic sea ice ...

The Arctic Ocean has always been a region that’s fascinated University of Delaware doctoral student Tianyu Zhou. While most of humanity lives in the world’s temperate zone, the polar ocean seems like ...

I walked out onto the frozen Arctic water off Utqiagvik, Alaska, for the first time, I was mesmerized by the icescape. Piles of blue and white sea-ice rubble several feet high gave way to flat areas ...

Arctic sea ice is headed for one of its smallest winter peaks on record, an AFP review of US data showed Wednesday, as climate change shrinks the region's frozen cover ...

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 ...

The Arctic Ocean, once locked in a vault of thick, old ice, now is transforming at lightspeed. Temperatures there are increasing at up to four times the rate of the planet overall, melting sea ice ...

Due to warmer temperatures in the Arctic, the Beaufort Gyre is currently losing large amounts of sea ice. The ice helps keeping the ocean cool, acting as a lid. Thinner sea ice allows more heat from ...

As the Arctic Ocean loses its sea ice due to climate change, sunlight penetrates deeper into the water and encourages the growth of tiny plant-like organisms (phytoplankton). But to thrive, they need ...

A new record of Arctic sea-ice coverage – informed by the slow and steady sedimentation of cosmic dust on the sea floor – reveals that ancient ice waxed and waned with atmospheric warming, not ocean ...

When the Chinese cargo freighter Istanbul Bridge set sail for Europe in late September, it took an unusual route. Instead of heading south for the 40-day voyage through the Suez Canal, it tacked north ...

Add Yahoo as a preferred source to see more of our stories on Google. Measurements were taken at 13 different locations in the Arctic Ocean. (CREDIT: Lisa W. von Friesen) The Arctic Ocean, once locked ...