The U.S. Navy has reached a Cold War-era milestone in the Arctic, deploying two Virginia-class submarines beneath the polar ...

Arctic sea ice is headed for one of its smallest winter peaks on record, an AFP review of US data showed Wednesday, as ...

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 ...

A group of NATO navies are conducting “Operation Ice Camp Boarfish” in the Arctic Ocean—even as a war rages thousands of miles away in Iran.

The exercise is the latest to train service members for operations in the strategically important Arctic region.

Under the Arctic sea ice, fish and plankton live in complete darkness, even in midsummer. Ice floes stop the sun's rays, ...

Climate change and the associated rising temperatures are melting more and more frozen ground in the Arctic. This dissolved matter contains large amounts of organic carbon which is flowing into the ...

The retreat of ice in the Barents Sea could be strengthening a key ocean current that regulates global climate.

Warmer Atlantic water from near Greenland is heating up the depths of the Arctic Ocean, which was previously thought of as one of the few places not significantly affected by climate change. The sea ...

The Trump administration is eying the possibility of oil leasing in Arctic Ocean areas more than 200 miles from shore, an area where U.S. territorial rights are unclear. Information about the Trump ...

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 ...

The Trump administration is eying the possibility of oil leasing in Arctic Ocean areas more than 200 miles from shore, an area where U.S. territorial rights are unclear. Information about the Trump ...