In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its potential arrival in the United States over the next few weeks is cause ...

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they work.

With the winter on the horizon and the onset of colder temperatures drawing near, U.S. residents may question just how chilly it could become in the states this season. One factor that plays a role in ...

A winter storm is hitting the U.S. with record-breaking cold and heavy snow. Is the polar vortex to blame? When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...