Polar alignment doesn’t have to be expensive or complicated. This guide shows how a $400 mount can align itself automatically—and how you can build it yourself. Learn how the system works, what parts ...

Add Yahoo as a preferred source to see more of our stories on Google. Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season, followed ...

A major winter storm is impacting much of the nation east of the Rocky Mountains. The storm's intensity is caused by a combination of a stretched polar vortex, a wavy jet stream, and moisture from the ...

With over 170 million Americans facing below-average temperatures, even colder air may be on the horizon thanks to the displacement of the polar vortex that will lock in the feel of winter and park ...

Michigan is experiencing frigid temperatures and heavy snow due to a dip in the jet stream, not the polar vortex. The polar vortex is a large-scale cyclone of cold air that typically stays far north ...

Did a Whatcom County community break a polar bear plunge world record? Thousands of people gathered in Blaine on New Year’s Day for the Birch Bay Polar Bear Dip, braving the icy waters of Birch Bay in ...

The start of a new year offers leaders the opportunity to consider what’s working well within their business and what needs to be changed. In an unpredictable business environment, the culture of a ...

Forecasters say that the polar vortex will usher in waves of frigid air across parts of the U.S. through January. The "more active polar vortex will drive colder air and snow across the central and ...