January has already been colder than average in most states east of the Rocky Mountains for the first time in two years - and now, more frigid air is coming. A lobe of the polar vortex ...

Multiple rounds of frigid, arctic air could sweep across the eastern half of U.S. in the coming weeks, ushering in an ...

Lake effect snow and high winds will bring frigid conditions to millions south of the Great Lakes. NBC News meteorologist Angie Lassman has the forecast on Early Today. Jan. 2, 2025 ...

But more than a century after explorers raced to plant flags in the frigid polar desert ... aimed to make Antarctica a military-free zone and manage competing territorial claims.