Snow squalls bring hazardous travel with near-zero visibility, triggered by Arctic air mixing with warmer temperatures.

The central, southern and eastern United States are bracing for the coldest, most persistent frigid Arctic air in years that will come in waves and last through mid-January,” ...

A light, 4.7-magnitude earthquake struck in Northern California on Wednesday, according to the United States Geological ...

Temperatures are forecast to plummet below average for much of the nation, with the most severe cold gripping areas east of ...

Areas with the most sustained warmth were around the toasty Gulf of Mexico and scattered inland across locations such as the ...

A massive winter storm is expected to bring snow and ice to the Central Plains before spreading eastward toward to the mid-Atlantic.

A polar vortex could be headed to North Texas next week, bringing a blast of Arctic air that may send temperatures below ...

One creature on the list is the Cuban tree frog, a native to the island nation that has spread to Florida, Georgia and other ...

Ohioans might be celebrating New Year's Eve with the northern lights after seeing them in May and October. See the aurora ...

Aurora borealis could ring in the New Year in New Hampshire's skies. See the northern lights forecast for tonight ...

Powerful eruptions from the sun are likely to interact with Earth's atmosphere on New Year's Eve, causing auroras in some locations.