It's looking like a warm and dry Christmas in Fort Collins, but there may be a glimpse of winter weather ahead.

Snow dots the Martian landscape in these images from ESA's Mars Express orbiter and NASA's Mars Reconnaissance Orbiter.

The Federal Aviation Administration has ordered all American Airlines flights grounded in the U.S. after the carrier reported ...

NEW YORK (WABC) -- On Christmas Eve morning, a fast-moving burst of snow turned New York City into a winter wonderland. Here's a look at some Tuesday morning snowfall totals from around the region.

Around 20 million people are under winter weather alerts across parts of the Mid-Atlantic and New England, including ...

Christmas Day will be dry and partly cloudy with slightly cooler temperatures. It'll feel like winter briefly, with most of us in the 30s and low 40s in the mountain valleys. The rest of the week will ...

The National Weather Service issued a winter weather advisory at 11:20 a.m. on Tuesday in effect until 7 p.m. for Cambria and ...

Nine states from Virginia to Maine are under snow alerts on Christmas Eve morning as a band of snow moves through the ...

Rain chances return early next week, with the best shot for showers on Monday and Tuesday. Additional rain could develop by late Christmas into Thursday. While snow lovers might be disappointed, this ...

Following a brief outage that grounded all American Airlines flights during one of the busiest travel periods of the year, ...

The chance for light snow across the Harrisburg area has ended, but spotty light freezing drizzle is still possible.

Millions of Americans faced potentially challenging travel conditions as winter storm warnings and weather advisories were in ...