Over the years, passing spacecraft have observed mystifying weather patterns at the poles of Jupiter and Saturn. The two planets host very different types of polar vortices, which are huge atmospheric ...

The granddaddy of the U.S. Coast Guard fleet is marking its 50th anniversary of service by doing what it does best — breaking ice. The Polar Star, the Coast Guard’s only heavy icebreaker, arrived this ...

Michigan is experiencing frigid temperatures and heavy snow due to a dip in the jet stream, not the polar vortex. The polar vortex is a large-scale cyclone of cold air that typically stays far north ...

With over 170 million Americans facing below-average temperatures, even colder air may be on the horizon thanks to the displacement of the polar vortex that will lock in the feel of winter and park ...

Don't be fooled by the string of uneventful weather — the polar vortex is rebooting and will take another swing, or several, at the greater Philadelphia region, leading to a turbulent weather pattern ...

Polar bears are leaping through their evolution in real time as rising temperatures threaten their habitat. A population of bears was found in a climate warmer than one in which they usually exist, ...

Three members of a family, including a child, were injured by a polar bear in a rare attack in the far north of Siberia, Russian officials said Monday. Local police "received a report of a polar bear ...

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 ...

Brian May gifted Queen fans this week by unearthing the band’s unreleased Christmas song “Not for Sale (Polar Bear).” The guitarist shared the track during the year-end episode of his Planet Rock ...

Polar bears are particularly vulnerable to climate change, as they rely on sea ice to hunt seals. A new study analyzed a small subpopulation of polar bears in southeastern Greenland and found small ...

Researchers were surprised when they spotted an additional cub with this mother polar bear. Dave Sandford / Discover Churchill When female polar bear X33991 first emerged from her maternal den in ...