A series of cold fronts the last few weeks has kept Florida downright chilly, as another winter storm starts to take aim this weekend

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

In a two-for-one moonshot, SpaceX launched a pair of lunar landers Wednesday for U.S. and Japanese companies looking to jumpstart business on Earth’s dusty sidekick.

If you thought last week was cold, hold onto your hot lattes and be ready to bundle up as ( another ) winter storm is forecast to plunge arctic air deep into the Deep South by early next week.

A disruption in the polar vortex is about to send an Arctic air mass from Siberia as far south as Florida. Yes, Siberia—and it’s as dramatic as it sounds. As many as 47 states will experience unseasonably cold temperatures. Some areas will be hit with dangerous wind chills as low as 40 below zero.

One of the key players in these dramatic shifts is something called the polar vortex. The polar vortex is a massive area of cold air located high in the atmosphere, typically spinning over the ...

before spreading east to Florida and the Atlantic region by early next week. RELATED: What is the polar vortex? How it’s responsible for dangerous cold Much colder-than-normal temperatures will ...

A major cold blast is in store for millions of Americans as a lobe of a polar vortex will bring brutally cold temperatures to nearly every American east of the Rockies.

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