The rare grolar bear is a natural hybrid of grizzly and polar bears with a striking two-tone coat. It's a rare sight in the wild.

View of Gentoo penguins in Cuverville Island, in the western Antarctic peninsula on March 04, 2016. The harshness of the elements defines life at the Poles. But for the animals who inhabit these icy ...

With the bitter cold of winter descending upon the U.S., one may question what is responsible for this upcoming period of below-average temperatures. In short, the answer is the polar vortex. But what ...

STATEN ISLAND, N.Y. — If you’ve been keeping a tab on winter forecasts, you’ve likely heard the term “polar vortex” and the potential impact it may have on the upcoming season. But exactly what is the ...

Five well-publicized polar geoengineering ideas are highly unlikely to help the polar regions and could harm ecosystems, ...