The Arctic Oscillation is a metric used to describe the strength of the polar vortex, or mass of arctic air that rotates ...

Researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have uncovered previously unobserved oscillation ...

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

The latest trend for pistol red dots is using different window sizes to match specific use cases. There are options with large windows for quick target acquisition, small windows for concealed carry, ...

HOUSTON, Texas (KTRK) -- Last week, the city of Houston and much of southeast Texas received record snowfall during a rare Gulf Coast snowstorm. With this being the second time temperatures dipped ...

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the US, seems ...

The polar vortex is weakening, which means New England is in for a colder than usual December, with episodic cold snaps. Every year around this time, that phrase — “polar vortex” — starts to buzz ...