As the National Weather Service explains, the polar vortex is an area of low pressure and cold air that exists over both of ...

As of March 16, average ice cover across the lakes was roughly 13.5%. Lake Superior was at 9.2%, and Lake Michigan was at ...

Arctic temperatures spiked 36 degrees Fahrenheit, or 20 Celsius, above normal. By the end of the month, sea ice was at its ...

Meteorologists also project a few rainy days ahead, which should aid in relieving areas of New England experiencing weak to ...

Sea ice cover in both the Antarctic and Arctic remained far below average throughout February as global average temperatures linger near record highs ...

At the edge of the Arctic in northern Canada, the annual migration of polar bears draws tourists, photographers, and scientists like Geoff York. Buggies traverse the frozen terrain, bringing ...

Here is what you need to know. The polar vortex is a large area of low pressure, cold air around the Earth's poles that blows westward during the winter and eastward during the summer. A polar ...