It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here ...

The polar vortex's icy grip on much of America has Arctic Greenland seeming like a toasty vacation spot by comparison.

The easy answer is a deep southward dip in the polar jet stream that typically rings the globe at higher latitudes but is ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

Large parts of the United States and Canada are in the grip of frigid winter weather, with a surge of polar air pushing ...

Polar Vortex Makes Much of US Colder Than Greenland ... we’re sending them the warm air,” said Judah Cohen, seasonal forecast director at the private firm Atmospheric and Environmental ...

WASHINGTON — (AP) — The polar vortex hit its peak across much of ... we’re sending them the warm air,” said Judah Cohen, seasonal forecast director at the private firm Atmospheric and ...