Peripheral glaciers and ice caps in eastern Greenland. In the background, the ice sheet is visible, with glacier fingers protruding.
Columbia Glacier Terminus
The terminus of Alaska's Columbia Glacier. The glacier retreated 8.7 miles (14 km) between 1984 and 2004.
A stranded iceberg from the Columbia Glacier in Prince William Sound, Alaska.
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Stephanie Pappas is a contributing writer for Live Science, covering topics ranging from geoscience to archaeology to the human brain and behavior. She was previously a senior writer for Live Science but is now a freelancer based in Denver, Colorado, and regularly contributes to Scientific American and The Monitor, the monthly magazine of the American Psychological Association. Stephanie received a bachelor's degree in psychology from the University of South Carolina and a graduate certificate in science communication from the University of California, Santa Cruz.