The largest iceberg in the world is floating freely once again after being trapped in a swirling ocean vortex for several months. The iceberg is called A23a and spans roughly 1,500 square miles ...

About the size of Rhode Island, the iceberg known as A23a got stuck in an ocean vortex this summer, spinning in place for months. Now, it's free,... A23a, the world's largest and oldest iceberg ...

The intense cold snap about to settle over most of Canada and the U.S. has been dubbed a “polar vortex’, but Environment ...

The polar vortex, or Arctic polar vortex ... "I think with a continuation of warming, especially in the oceans there will be more available energy and moisture for bigger winter storms," Anderson ...

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

The polar vortex can be disrupted by factors such as natural turbulence, high-latitude ocean warming, sea ice loss, sudden atmospheric warming, planetary waves and climate change, says the ...

Warmer-than-normal temperatures in the Gulf of Mexico did not cause the record-setting snowfall, but the conditions may have been an ingredient to the unusual weather.

Several Gulf states experienced a major snowstorm this week. Changes in global climate patterns can be connected to weird ...

Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...