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 ...

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 ...

You’ve probably heard the term “polar vortex” a lot this winter. But what is it exactly? Imagine a “whirlpool” of cold air that sits high above the Arctic. That is the polar vortex. It’s not a ...

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing ...

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 ...

This week, New Jersey is set to experience temperatures below 10 as a shift in the polar vortex is letting Artic air slip south. Tuesday, Jan. 20 and Saturday, Jan. 24 are forecast to be the coldest ...

The polar vortex collapsed, and severe temperatures are set to dominate most of the country in the coming days. Single-digit temperatures are forecast for much of the Northeast, and subzero ...

Add Yahoo as a preferred source to see more of our stories on Google. Our old wintertime friend the polar vortex is set to funnel bitterly cold air south from Canada two more times in January, once ...

Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex collapsed, and severe temperatures are set to dominate most of the country in the coming days. Single-digit ...

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. The polar vertex is a large area of low pressure and cold air that sits over Earth's poles. Middle ...

A snowstorm and harsh winter weather have impacted at least 177 million people across the US, with several Northeastern and Mid-Atlantic states under watches or warnings for ice and snow. More than ...

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 ...