While even colder air will pour southward from Canada and into parts of the Midwest and Northeast into this weekend, less-cold Pacific air is eyeing the region during the middle two weeks of February.

The bitter cold at Niagara Falls is part of a polar vortex onslaught of frigid air that's plagued the central and eastern U.S ...

As NASA evaluates natural laminar flow for potential application on future commercial airliners, business jet developer Otto Aerospace is relying on another form of this drag-saving phenomenon for its ...

When to use emergency heat on thermostat? What is auxiliary or aux? Here's what to know about heat settings and best ...

A strong polar vortex moved across North America not long ago. Temperatures around Niagara Falls plunged below −20°C, far ...

A deep freeze is gripping large swaths of the United States after a monster storm killed dozens of people from the Northeast ...

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

The natural gas market was jolted awake on Tuesday as a displaced polar vortex tears through the Northern Hemisphere, bringing freezing temperatures to much of the central and eastern United States. U ...

The displacement of the polar vortex over the eastern half of the U.S. will usher in days of arctic cold through the end of January. The core of the polar vortex, which contains some of the coldest ...

This story has been edited to correct an error. Judah Cohen is affiliated with the Massachusetts Institute of Technology. Our old wintertime friend the polar vortex ...

After a brief stretch of milder weather, colder air is set to return to the Poconos as the polar vortex becomes active over the next 10 to 14 days, according to AccuWeather. Ben Gelber, a ...