Look closely at an ice cube, and you might spot minuscule bubbles shaped like teardrops, flattened eggs or even winding worms. Bubble patterns in Russia’s Lake Baikal (shown here) are even more vivid.

Antarctica's Lake Enigma certainly lives up to its name. The permanently ice-covered lake, named for the peculiar cone of ...

A lake of meltwater has created deep cracks in Greenland's ice, according to a new scientific study. As a result, the 79°N Glacier is showing initial signs of becoming more unstable, the research team ...