Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

The chances of an asteroid striking Earth within the next decade has doubled in a matter of weeks, according to NASA astronomers.

So far this winter, things have been incredibly quiet for the most part! In fact, we just finished our driest January in ...

We’re in for snow Saturday, then colder air will follow that wave of low pressure. Temperatures will drop below average on ...

Miles above the Earth, two bands of fast-moving air – the polar jet stream and the stratospheric polar vortex – sometimes tango together to influence weather in the northern hemisphere.

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary between Arctic and more temperate air – dips deeply southward ...

And when that happens, it's time to keep a watchful eye on the movement of the vortex and the jet stream in the troposphere. The polar vortex was in play during the 2021 February freeze ...