Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

The Vortex Optics AMG 1-10X 24 mm FFP riflescope is the shortest and lightest FFP 1-10X low-power variable optic made ...

In the winter months, bitterly cold outbreaks of Arctic air across the Midwest and the Northeast can be tied to what is known as the "polar vortex." The polar vortex refers to the cold air and low ...

The polar vortex in recent years has brought the kind of miserable cold to northern states that made it hard to breathe outside. We’re probably in for more of the same. That’s the finding of a new ...