“The rate of accelerating sea ice melt in the Arctic has been hard to predict accurately ... In the Arctic, however, there is a surface layer that is cold but very fresh, influenced by river outflow ...

Arctic sea ice has been in steep decline since the late 1970s, when satellite images were first used to study the region. NASA says that the extent of ice covering Arctic waters has fallen by 13 ...

The Arctic sea ice cover shrank to 1.44 million square miles (3.74 million square kilometers) by September 15, the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder ...

The new research, though, suggests that even in a fairly low-emissions scenario that holds the planet’s warming to below 2 degrees Celsius, regular years without summer Arctic sea ice could ...

Summer sea ice in the Arctic Ocean might be a thing of the past by the 2030s, no matter what we do to curb emissions of the greenhouse gases that cause global warming, an international study ...

Researchers are warning that Arctic Ocean sea ice is melting at an even faster pace than previously thought — and the region could experience its first ice-free conditions sometime before the 2030s.

A sea ice-free Arctic could also lead to an increase in commercial shipping as new routes open up, which would have a knock-on effect. According to last year’s annual Arctic report card by the ...

Scientists discovered that in the distant past, growing inflows of freshwater from melting Arctic sea-ice into the Nordic Seas likely significantly affected ocean circulation, sending temperatures ...

The extent of sea ice blanketing the Arctic this winter fell to the lowest level on record, researchers announced this week, an ominous signal about the effects of climate change in the world’s ...

The Arctic Ocean likely had the smallest winter ice cover in 47 years of satellite records this season, with just 5.53 million square miles of sea ice covering the region at its peak on March 22 ...