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 ...

When scientists in Canada came across a female polar bear with two cubs in the fall, they made an unusual discovery: One of the young was not her own offspring but instead a rare documented example of ...

Bear X33991 leading her two cubs along the ice. Dave Sandford / Discover Churchill (Wildlife Photographer, Guide, and Polar Bears International Photo Ambassador) Get the Popular Science daily ...

This study was funded by grants from the Natural Environment Research Council (NE/S011188/1) and the European Research Council (SELECTHAPLOID - 101001341) The Arctic Ocean current is at its warmest in ...

Another brutally cold weekend is on the way as a piece of the Polar vortex dips out of the Arctic Circle, sending frigid air across half of the United States while the other half warms up. Texas will ...

Do you believe in Santa? If not, you might find yourself on a train heading toward the North Pole in order to help you believe, or this might just sound like the plot of "The Polar Express" to you.

Certainly, the waves of cold air blasting the greater Philadelphia region are caused by the polar vortex. Or is Philly's frigid temps caused by an arctic blast? While both weather conditions can cause ...

A disruptive polar vortex is set to usher in three successive waves of Arctic air across the central and eastern United States through mid-December, bringing dangerously low temperatures and the ...

A polar vortex break causes bitter cold across the northern U.S. It’s a regular winter phenomenon, sending Arctic air southward during weakened polar winds. The break results from sudden stratospheric ...