In the frozen wilds of the Arctic, an unlikely duo thrives – the cunning arctic fox and the powerful polar bear. In this ...

U.S. icebreakers serve to clear passages through icy waterways. Their reinforced hulls are designed to break apart the ice, creating channels for ships. The ships also perform search and rescue ...

About 120 million years ago, southern Australia was not the sunny, temperate land we know today. Instead, it lay within the ...

It's a win-win, and it's why everything on iStock is only available royalty-free — including all Polar Bear images and footage. What kinds of royalty-free files are available on iStock? How can you ...

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 ...