But even in the midst of the polar night, it isn't pitch black ... the levels of sunlight needed to maintain stable sleep patterns. But research on soldiers in the Canadian Arctic suggests ...

In short, the answer is the polar vortex. But what does that mean? The polar vortex is a “constant feature” that begins to develop sometime in September and persist through sometime in spring ...

A polar vortex, a weather pattern similar to the historic winter storm that struck Texas in 2021 — when every county in the state experienced below-freezing temperatures for the first time ...

It's a chilly start to 2025 for many as an expanding polar vortex is expected to bring dangerously low temperatures to the eastern half of the U.S. While it's too early for precise measurements ...

Here's a closer look at what the polar vortex is and how it impacts weather patterns. The polar vortex is a strong area of low pressure located near the North Pole. It's a permanent feature of the ...

It's about to get very, very cold for lots of Americans. A series of blasts of polar vortex air from the north will bring subfreezing temperatures as well as ice and snowstorms to 40 US states ...

Much of the country will be hit with extreme low temperatures over the next week as a polar vortex sends cold air down from the North Pole. Real feel temperatures throughout the northeast ...

DON’T MISS: What is the polar vortex? How it’s responsible for dangerous cold Here is the temperature pattern that we expect will dominate for the first three weeks of January. While we are ...

Bitter temperatures are forecast to hit swathes of the U.S. this weekend as a polar vortex—the area of cold air that circulates around the Arctic—expands, with the National Weather Service ...

Simply sign up to the Oil & Gas industry myFT Digest -- delivered directly to your inbox. US energy prices for home heating fuels have surged as a polar vortex has borne down on the country ...