Within glacial ice sheets, there are streams of ice, sometimes called ice rivers, that move much faster than the surrounding ice. If you’re having trouble imagining how ice moves inside ice, Elizabeth ...

A creak, a thunderous roar, and then the plunge: Argentina’s Perito Moreno Glacier calves several times a day, as hundreds of ...

EL CALAFATE, Argentina — A creak, a thunderous roar, and then the plunge: Argentina’s Perito Moreno Glacier calves several times a day, as hundreds of visitors strain to see which side it will ...

When the glacier ruptures, it creates a stunning natural spectacle, described by National Geographic as a “thunderous, slow-motion drama” as massive ice towers topple into the water, sending ...