Many Greenlanders were relocated by Danish colonists and construction of a US base. Global powers are again eyeing the island

Dangerously cold weather spread over the Midwest on Saturday and is headed toward the East Coast, where temperatures well below seasonal norms are expected starting late Sunday and into next week.

Temperatures will plummet as Arctic outbreak brings frigid weather to much of the U.S. Much of the United States will see temperatures plummet 20 to 40 degrees below average when a major Arctic outbreak bringing frigid temperatures sweeps through the country.

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans. See maps of the arctic blast.

A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will feel like 15 degrees below zero.

A potent cold front will enter the north-central U.S. before roaring across much of the rest of the nation over the weekend.

The Arctic is heating up particularly fast as a result of global warming—with serious consequences. The widespread permafrost in this region, where soils currently store twice as much carbon as the atmosphere,

Extreme cold could expose residents of several states to conditions like hypothermia and frostbite over the weekend.

Farther north, in the mountains of northern New England, snow will fall at higher elevations, with summit accumulations of 2–4 inches likely. The rain will taper off by late evening, but don’t let your guard down. Overnight, temperatures will fall to near freezing in Boston and drop below freezing north of the city.

U.S. strategic interest, however crudely Trump advertises it, reflects warranted concerns about encroachment by Russia and China.

A cold January is bringing waves of arctic air to the Carolinas, keeping high temperatures nearly 10 degrees below average this month.Although milder and near normal highs have been with us through Saturday,