A widespread Extreme Cold Watch is in effect across parts of California from late Thursday night through Friday morning, Jan.

Greenland's strategic location above the Arctic Circle makes it a focal point in global security and trade debates.

Matt Korda, the associate director of the Nuclear Information Project at the Federation of American Scientists, assisted USA ...

People across 18 states could have a shot at catching the lights beginning Friday night, including those in Alaska, North ...

Auroras may be visible from Alaska to Illinois as an incoming coronal mass ejection could disrupt Earth's magnetic field and ...

Lake effect snow, intense rain and chilly temperatures dominate the forecasts for different parts of the U.S., before and ...

NORAD, the North American Aerospace Defense Command, tracks Santa's Christmas Eve flight around the world each year. Follow a live map of the tracker here.

Looking ahead to the weekend, we stay dry and will see near record warmth on Saturday. Expect more 70s than 60s in the extended forecast making this a very rare stretch of unseasonably warm ...

North Texas will see a warming trend this weekend as temperatures rise into the upper 70s. The Metroplex recorded its lowest temperature of the month on Monday, Dec. 15, at 28 degrees. However, ...

Parts of the Midwest saw conditions colder than those in the North Pole this past weekend, according to a meteorologist. “The Midwest was literally colder than the North Pole today,” meteorologist ...