Warming temperatures appear to be driving genetic mutations in some polar bears to help them survive the shifting climatic ...

Researchers say the findings, the first documented case of rising temperatures driving genetic change in a mammal, offer a ...

This cold blast could be relatively short-lived, with a return to more typical wintry temperatures by later in December.

A polar vortex is a large, low-pressure system of cold air that typically resides near the Earth’s poles, surrounded by ...

Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

The coldest air of the season is blanketing the Midwest, Northeast, and Southeast, with dangerous low temperatures. More than ...

A hybrid grolar bear saga is unfolding in the Arctic, and the tale of this strange family has much to tell us about nature on ...

The coldest air of the early winter season is blasting the eastern U.S. on Monday, with single-digit temperatures with ...

The researchers analysed blood samples taken from polar bears in two regions of Greenland and compared “jumping genes”: small ...

Discover how Pere Marquette 1225 inspired The Polar Express and now powers Michigan’s North Pole Express between Owosso and ...

Pajamas, golden tickets and hot cocoa turn Natchez Train Depot into a Polar Express Experience, as volunteers help grow a ...