Arctic air is taking cold to another level this week and the US could be facing bouts of it well into December thanks to the polar vortex.

A winter storm will deliver a punch of snow to millions in the Northeast after it dumps more white stuff on the snowy Midwest ...

Holiday travelers in the United States avoiding widespread disruptive weather ahead of Thanksgiving might not be so fortunate during their post-holiday journeys.

This year’s Thanksgiving travel period is expected to be the busiest in 15 years, according to the Federal Aviation Administration. Follow here for live updates on travel and weather.

(CNN) — Hurricane Erin is churning up life-threatening rip currents and dangerous surf along much of the US East Coast and will soon send destructive waves and storm surge to North Carolina’s Outer ...

(CNN) — More than 85 veteran climate scientists have pushed back against a Trump administration report downplaying the severity of climate change, submitting more than 400 pages in public comments to ...

(CNN) — Climate scientists are declaring victory after the Trump administration dissolved a working group of five well-known climate contrarians that authored a recent federal report questioning the ...