For nearly a decade, Leigh Stearns and collaborators aimed a laser scanner system at Greenland's Helheim Glacier. Their long-running survey reveals that Helheim's massive calving events don't behave ...
When the edge of a Greenland glacier breaks off into the sea to become an iceberg, can a global seismic network "hear" it? The answer is yes—but only if the event is a large one. And it helps to pair ...