Researchers were startled to find fish, crustaceans and jellyfish near a submersible camera after drilling through nearly 2,500 feet of Antarctic ice.
As one researcher explains, sea ice is like a moving sidewalk and polar bears travel with it.
See images from the 2015 Harbin International Ice and Snow Festival, home of the world's largest ice sculptures.
A new study examines how the genetic diversity and structure of the worldwide polar bear population have changed amid a decline in sea-ice habitat.
It's not only glaciers that are sending water rushing into the sea; surface sea ice is contributing more and more meltwater.
Strange-looking ice formations the size of dinner plates are discovered floating on a Scottish river.
Sixty-eight degrees below zero? Ice and snow? Bring it. Here's how tech helps us handle deep chill.
Forward-looking models and polar bear energetics data foresee an alarming loss of habitat by the century's end.
+ Load More