The massive ice sheet, located in a remote region of northern Greenland, harbors a subglacial lake that appears to have flooded in 2014, releasing 23.8 billion gallons (90 million cubic meters) of ...

A violent subglacial flood in Greenland ruptured the ice from below—forcing scientists to rethink ice sheet behavior.

The flood began during summer 2014, when an enormous subglacial lake lying deep beneath northern Greenland's remote ice ...