Crabeaters have extraordinary teeth, Weddells are downright cute, and leopards are as fierce as their namesake
The Antarctic food web is the simplest on the planet, and krill are at its hub.
If you want to dig a ditch in the Arctic, you'd better bring more than a shovel.
Tiny shrimplike crustaceans, krill play a critical roll in many marine food webs, even feeding huge baleen whales.
Heat-trapping gases play a major role in polar climate change.
Exploring the diversity, distribution, and abundance of life in the oceans
Scientists dig under the surface for clues to past climate
They're a menace to ships, but life thrives in these frozen oases.
Darkening polar skies often bring beautiful light displays.
Land of ice and people
Who lives in the Arctic, and how did they get there?
The majority of Barrow residents are indigenous people who live both traditional and modern lives
White-coated Arctic icons, these supreme hunters are under threat
Summertime in the Arctic is for the birds
Learn about the giants of the polar seas.
These unique – and uniquely beautiful – seal species spend their lives amid the sea ice