According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

A major cold blast is in store for millions of Americans as a lobe of a polar vortex will bring brutally cold temperatures to ...

People were flocking to Hawaii Volcanoes National Park on Wednesday to get a glimpse of fountaining lava. The eruption that ...

As activists double down on the disruptive tactics of recent campaigns, the movement’s leaders see opportunities to broaden ...

An area stretching from Texas to Tennessee braced Wednesday for the possible arrival of freezing rain and snow even as some ...

Here is what to know about the storm, which is expected to affect millions in the eastern ... colder than normal as the polar vortex stretches down from the high Arctic. “This could lead to ...

In short, the answer is the polar vortex. But what does that mean? The polar vortex is a “constant feature” that begins to develop sometime in September and persist through sometime in spring ...

When this vortex weakens, it can send frigid air from the Arctic southward, bringing dangerously cold temperatures to mid-latitude regions like the southern United States. The effects of the polar ...

In 2021, the polar vortex prompted widespread power outages across Texas, resulting in rolling blackouts and leading to the deaths of 246 people. The effects of the polar vortex are expected to ...

Much of the country will be hit with extreme low temperatures over the next week as a polar vortex sends cold air down from the North Pole. Real feel temperatures throughout the northeast ...