An optional polar scope is also available for fast and accurate polar alignment. The EQ-5 is a highly capable portable mount and is easily capable of holding most small telescope tubes up to ...

We also measure the low-light performance of each LPVO scope by mounting them to tripods and focusing them as a group at 200 yards at a black-and-white resolution target at twilight, all in order to ...

The system, known as a polar vortex, is forecast to bring subzero temperatures to the Midwest, Mid-Atlantic and deep into the South. And it looks as if we may get more arctic blasts in the coming ...

Not long ago, thermal scopes were superfluous gadgets. Now, they’re essential kit for serious predator and hog hunters. This collection of thermal sights includes military-grade scopes that cost more ...

One of the key players in these dramatic shifts is something called the polar vortex. The polar vortex is a massive area of cold air located high in the atmosphere, typically spinning over the ...

The best car phone mounts are the perfect tool for drivers who want to take advantage of their phone's myriad of features behind the wheel. You just need a way to see your phone without needing to ...

A lobe of the polar vortex, a stormy ring that typically keeps the coldest air locked up near the North Pole, will dip southward into the United States this weekend into next week. Polar air ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

But during the winter, it is joined by a second atmospheric phenomenon dubbed the polar vortex. This swirl of frigid air, located more than 10 miles above Earth’s surface, strengthens each year ...

The polar vortex, a swirling mass of cold air located over the polar regions, is responsible for the cold. It's bringing extreme cold as far as the Deep South. Overnight lows will be well below ...

The coldest temperatures of the year are expected for much of Ontario on Monday and Tuesday. Frigid Arctic air is being pushed south thanks to the polar vortex. A.M. Headlines Newsletter ...