Small lakes on ancient Mars may have remained liquid for decades, even with average air temperatures well below freezing.

A meltwater lake that formed in the mid-1990s on Greenland’s 79°N Glacier has been draining in sudden, dramatic bursts ...

Some of the most dangerous ice, according to outdoors officials, is what's known as "shelf ice" forming along the Great Lakes ...

New research systematically classifies the formation and distribution of delta-beach bar composite sand bodies, offering a ...