Q: I bought a Vortex Hair Growth Wand and it quit working. The company’s site lists a U.S. address, but when I asked to return the broken device they gave me a warehouse in China and told me shipping ...

Record cold temperatures are once again expected to hit a swath of the country this weekend—even plunging Florida into its coldest stretch of the last 15 years, potentially bringing snow to areas of ...

Severe temperatures are expected to dominate most of the country in the coming days, with single-digit temperatures forecast for parts of the Northeast. Overall, temperatures will begin to warm in the ...

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of Earth, to the stratospheric polar vortex. When you purchase through links ...

Satellite image of a bomb cyclone. It’s winter in the Northern Hemisphere. We are actually having a proper one this year. Irrespective of what is going on with our climate, it is supposed to be cold ...

Mathew Barlow has received federal funding for research on extreme events and also conducts legal consulting related to climate change.. Judah Cohen does not work for, consult, own shares in or ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all scientists agree. By Eric Niiler The polar vortex is a ribbon of ...

4:47 Polar vortex: What you can do to protect yourself from the extreme cold Extreme cold winter conditions are expected to trap the majority of the country in a bitter weather phenomenon known as a ...

Despite being notorious for bringing brutal cold and dangerous wind chills, the polar vortex has a surprising upside. Discover how it can lead to clearer skies, fewer storms, and ideal conditions for ...

Our old wintertime friend the polar vortex is set to funnel bitterly cold air south from Canada two more times in January, once over this last weekend and again about a week later. “This first shot of ...

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 ...