Under the Rotunda of the U.S. Capitol, Donald Trump was again inaugurated, this time as the 47th president of the United ...
President-elect Donald Trump's second inauguration will mark the coldest presidential ceremony in more than 40 years.
Still, several Colorado school districts will start late on Tuesday as the state waits out the last of subzero temperatures.
These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...
Stable polar vortex: When the stratosphere over the Arctic is cold, it's considered stable. The wind around the polar vortex ...
Marylanders are bracing for the upcoming polar vortex, expected to bring temperatures into the single digits early this week.
Editor's Note for Sat. Jan. 18: A polar vortex is set to impact much of the US. Click here for the latest update. A polar vortex is forecasted to blanket most of the continental United States ...