At the southern tip of Glacier National Park in Southern Patagonia sits one of the region's most magnificent glaciers, Perito Moreno. Unlike 95 percent of Earth's glaciers that are gradually ...

Friday, March 21 marks the inaugural World Glacier Day, an international observance established by the United Nations to raise awareness about the rapid retreat of glaciers worldwide.

EL CALAFATE, Argentina (AP ... before eventually collapsing. When the glacier ruptures, it creates a stunning natural spectacle, described by National Geographic as a “thunderous, slow- ...