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 hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a ...

WASHINGTON—The polar vortex hit its peak across much of America on February 19, with an icy grip that made Arctic Greenland seem like a toasty vacation spot in comparison. Even Mars has been warmer ...

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 ...