An Arctic air mass kept its grip on much of the central and eastern United States on Friday, plunging temperatures to record lows as snow-blanketed central Colorado and the Pacific Northwest braced ...

U.S. natural gas futures posted a 14% weekly gain as an Arctic blast lifted heating demand across much of the country, while deliveries to LNG export terminals hit new highs.

"We need to be very cautious about the potential for ice on roadways," said Texas Division of Emergency Management official ...