The world’s polar bear population is projected to decline by two-thirds by 2050. A new study from the University of East Anglia suggests that polar bears are undergoing rapid genetic changes, and ...

Millions have seen the heart-wrenching video of a polar bear clinging to life, its white hair limply covering its thin, bony frame. Shot by Paul Nicklen and Cristina Mittermeier of the nonprofit group ...

Ready for some serious cold? The planet's most extreme cold air will be barreling into the central and eastern United States this coming weekend "like a wrecking ball," said Weather Trader ...

A displaced polar vortex in Canada is set to unleash three waves of Arctic air through mid-December, "delivering the coldest conditions of the season so far," forecasters at AccuWeather said. "The ...

A shifting polar vortex is expected to bring three waves of Arctic air to the central and eastern U.S. Tennessee is forecast to experience winter weather, including a mix of snow and ice, in early ...

Frigid temperatures are expected to impact much of the central and eastern United States in the coming weeks. The first of three polar vortex systems is expected this month, according to AccuWeather.