The extent of sea ice blanketing the Arctic this winter fell to the lowest level on record, researchers announced this week, ...

In "Ends of the Earth," Neil Shubin travels north and south to explore the frontiers of polar science and history.

Sea ice extent is at record, and near record, lows for this time of year in both polar regions, leaving the planet ...

Two North American river otters, Louie and Ophelia, are still on the run after the pair escaped from NEW Zoo & Adventure Park ...

Two-year-old twin polar bears Kallik (pronounced Kah-LEEK), left, and Kallu (Kah-LOO) take a swim during their public debut ...