A rare split polar Vortex will plunge millions of Americans into freezing temperatures as it's set to blast powerful cold air across the country around Valentine's Day. Forecasters have warned of ...

While polar vortex outbreaks are not uncommon, especially in the northern and central Plains, this late-February arrival is particularly intense, pushing conditions to dangerous extremes ...

January has already been colder than average in most states east of the Rocky Mountains for the first time in two years — and now, more frigid air is coming. A lobe of the polar vortex, a stormy ...

But have you ever wondered what plants and animals live in a polar habitatand how they survive in the cold? Well, wrap up warm, we're off to the Arctic Circle to find out! Brrr… It looks really ...

Something big is happening to Earth’s climate, and the polar regions hold the key to understanding it. Join top scientists on the hunt for clues that tell a surprising story about our planet’s ...

A substance that contains polar covalent bonds may not be overall polar. This is due to the shape of the molecule. Water molecules are polar molecules. Both of the bonds inside the molecule are ...