The sudden blast may come as a shock to many Americans after a mostly mild start to winter, but that warmth may be partly ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States ...

About 230 million people will face temperatures of 20 degrees or colder and about 150 million likely will be hit by snow and ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

Water, salt, and heat all get mixed within eddies with important climate consequences, but the boundary of an eddy is hard to ...

The meteorologists said the polar vortex system is set up due north of Michigan over Canada's Hudson Bay. It's at least ...

New satellite images of what was once the largest iceberg in the world show warning signs of its imminent demise, revealing extensive pools of aquamarine blue water melting on its surface. NASA’s ...

They call it simply A-23A, a designation that cleverly hides what the object really is: one of the largest and longest-lived icebergs to have ever been tracked by the human race. One that has now ...

Iceberg A-23A has been around since 1986, when it broke off from Antarctica at nearly twice the size of Rhode Island. It spent more than 30 years grounded in the shallow waters of the Weddell Sea ...

The year that iceberg A-23A first broke away from Antarctica's Filchner Ice Shelf, Ronald Reagan was president of the United States, and the movie "Top Gun" was setting box office records. Forty years ...