If observations made by ESA's Mars Express are indicative of similar processes seen on Earth, these ancient Martian hills may also hide hidden deposits of ice.
How cold is it? Lake Erie is a pretty much a continuous sheet of ice. Continue reading →
In this dreamy observation, staring down on Mars' south polar icecap, a European spacecraft has captured stunning ruddy swirls frozen in Martian ice, like cinnamon sprinkles and coffee mixing with the frothy milk atop a rich cappuccino.
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.
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