Every year, on July 6, thousands of people gather in the Plaza Consistorial in Pamplona, Spain, for the opening ceremony of ...

Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

Studying crowd dynamics could inform strategies that help to prevent dense gatherings from becoming dangerous.

The most unusually cold air in the Northern Hemisphere will move into the Plains and Midwest this weekend as the polar vortex lobe zaps the country like a jellyfish tentacle. Temperatures may be ...

The FOX Forecast Center said a lobe of the polar vortex will dip to the south and move into the US this weekend and into next week. “These are the types of weather systems that even bring cold ...

But here’s where things get interesting: the polar vortex’s behavior is closely tied to the jet stream, a fast-moving river of air that flows high above the Earth. The jet stream acts like a ...

The freezing temperatures will move eastward, reaching major cities like Philadelphia, where daytime highs will reach only the upper teens. The polar vortex is a gigantic circular upper-air weather ...

A Canadian company that makes water park equipment is opening a new manufacturing facility in the Town of Plattsburgh. Vortex ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

The Arctic air associated with the southward moving Polar Vortex will bring 10 below zero to 20 below zero temperatures west of the Great Lakes. Here in Michigan, that bitterly cold air will be ...

Kelvin waves have been a mystery for decades but a new method involving superfluid helium-4 can help us control them.

The polar vortex is expected to reach the Utah-Idaho border sometime in the late afternoon and evening Friday as it continues to move south. As it moves through parts of the state, it will produce ...