Extensive evidence, including global temperature and sea ice data, shows Earth's climate is changing due to human activity.

A winter storm system is expected to bring a mix of snow, rain and ice to the NYC area this weekend. Here's a look at the ...

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter of repeated polar ...

Heavy mixed precipitation is expected, the weather service said, with snow and sleet accumulations up to 1 inch and ice accumulations around a quarter inch. Ice accumulations can cause ...

Mother Nature is expected to make a triumphant return this weekend to NYC, with snow and rain both in the forecast for parts of NY, NJ and CT.

United States Olympic ice hockey coach, Herb Brooks, left, speaks to members of the team during a break in practice at the ...

The National Weather Service issued a winter storm watch for the Willamette Valley for snow and ice Thursday and Friday.

Major airlines are offering waivers as a winter storm is forecast to dump snow in the Northeast and Central Appalachians.

The National Weather Service has issued an ice storm warning for the Willamette Valley through early Friday. Follow our live ...

Storm warnings are in effect in the Plains, the Midwest, the Great Lakes, and the mid-Atlantic through tonight.

A National Weather Service advisory for Tuesday's storm in Maryland has been upgraded to a winter storm warning ...

Quakes recorded for the first time inside Greenland's biggest frozen river, the Northeast Greenland Ice Stream, suggest this ...