Much of the U.S. is being blasted by ice, snow and wind, as the polar vortex that dipped south over the weekend is maintaining its frigid grip.

Researchers examined three ice core records to identify lead pollution levels in the Arctic between 500 BC to 600 AD.

A blast of snow, ice, wind and plunging temperatures stirred up dangerous travel conditions in parts of the central U.S. on ...

Our weather team says snowfall has ended, but chain controls remain in place on Interstate 80 on Saturday morning.

Interstate 80 in the Sierra was closed in both directions on Friday afternoon after multiple spinouts were reported and ...