A female polar bear swam 687 km across the freezing Beaufort Sea over nine days, a feat first reported in 2011. The video ...

NASA’s most ambitious Arctic research mission yet has uncovered unexpectedly high concentrations of ice particles in clouds ...

An audacious NASA mission suggests that dust blown north from Greenland couldhelp explain why Arctic ice is melting even ...

At the edge of the Arctic in northern Canada, the annual migration of polar bears draws tourists, photographers, and ...

chief climate scientist for Polar Bears International and assistant professor at Cornell University, who explains that it's melting the sea ice that bears depend on. "It's important, because it's ...

Scientists discovered that polar bear fur’s oily coating prevents ice from sticking, thanks to a unique mix of lipids. This ...

The polar bear (scientific name Ursus maritimus) struggles to cross the ice on the sea. In the past, it would have already found its hunting ground, but with the recent melting of ice, there are ...

Global sea ice cover hit a historic low in February as the world endured exceptional heat, with temperatures near the North ...

Credit: Gary Banziger (NASA Langley) and Ralph Kahn (NASA GSFC/University of Colorado Boulder) NASA's most ambitious Arctic voyage to date has revealed surprisingly high concentrations of ice ...