The big winter (and popular) topic is dusted off very early this season as frigid air plunges south next weekend. But what is ...

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such ...

"I don't think anyone's made this connection between the surface fluid pattern and the interior properties of these planets." ...

The polar night jet, the high-altitude winter wind that circles the Arctic, acts like a flywheel for the cold season in the Northern Hemisphere. As climate change erodes the temperature contrast that ...

Grab your coats, it's getting chilly. A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the coming days. The polar vortex will ...

Boston has seen just one day so far this month where the average temperature was above the seasonal norm, daring me to ask — are you over the cold yet? Astronomical winter hasn’t even arrived (that ...