Polar bears have evolved so that they don't need to drink liquid water.
Researchers at Penn State University and the University of Buffalo have completed the most in-depth bear DNA study to date.
How did animals respond to the ice age? Ancient bison preserved in the Canadian arctic have given scientists a clue.
Learn about the iceberg that sank the Titanic, on this Moment of Science.
Did you know that the Arctic is warming faster than the rest of the planet?
Tree lines are on the move. Learn how moving tree lines impact animals and other plants.
Who would think that researchers would find ingredients for modern medicine buried in the ice?
The next time you long for the romance of the northern lights, switch on a fluorescent lamp! There may be less mystique, but the principle will be the same.
You've probably heard that global warming in the Arctic is killing off polar bears by shrinking their habitat, but are other arctic animals suffering, too?
If you ever visit the Arctic, you might see some really cool, luminescent clouds high up in the atmosphere. Scientists call them night shining clouds.