HOUSTON — An Arctic blast is expected to cause hazardous driving conditions across Texas this week.

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

Extreme cold could expose residents of several states to conditions like hypothermia and frostbite over the weekend.

New research reveals the Arctic is changing fast as permafrost regions are warming, forests are stressed, and flooding is ...

Millions are bracing for subzero wind chills this weekend as the coldest air of the season hits most of the country. The ...