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.

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

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

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

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

Blood samples from warm vs. cold Greenland bears reveal genetic patterns that could predict how polar bears respond to ...

Three polar vortex systems are anticipated in December, and the first is expected this week, according to AccuWeather. The ...

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