The Columbia Glacier descends from an ice field 10,000 feet (3,050 meters) above sea level, down the flanks of the Chugach Mountains, and into a narrow inlet that leads into Prince William Sound in ...

This image shows the retreat of the Columbia Glacier, Alaska, USA, by ~6.5 km between 2009 and 2015. Credit GSA Today, The Geological Society of America, and James Balog and the Extreme Ice Survey.

Getting your Trinity Audio player ready... Even in a state as saturated with dramatic peaks and geological marvels as Colorado, it’s thrilling to get up close and personal with something as grand — ...

Thousands of tourists spill onto a boardwalk in Alaska's capital city of Juneau every day from cruise ships towering over downtown. Vendors hawk shoreside trips, and rows of buses stand ready to whisk ...