Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

Follow live winter storm updates and breaking weather news as snow storms are predicted to fall across the U.S. this weekend, ...

About 230 million people will face temperatures of 20 degrees or colder and about 150 million likely will be hit by snow and ...

Meteorologists blame a stretched polar vortex, moisture and a lack of sea ice for the dangerous winter blast. View on euronews ...

Right now, there is a strong signal for icing issues in Central Alabama. However, the forecast can and will change. It is ...

The Hurricane Hunters have flown a mission into the forming winter storm to collect data that will be used to improve the accuracy of the models and provide more realistic forecasts in the coming ...

We talk with a NOAA scientist about the Northern Lights, and why their visibility seems to be increasing.

A solar radiation storm marks the release of intense, rapidly-moving charged particles toward Earth and can impact space launches, aviation and satellite operations. The last time severe solar ...

A strong geomagnetic storm could interact with Earth's atmosphere within the next 24 hours, bringing the potential for ...

Across the Atlantic, forecasters expect the lights to be visible from northern parts of Britain, including Scotland, Northern ...

As meteorologists watch the tropics during the quiet winter months, a different kind of signal is drawing attention. The ...