Stretching like a colossal spine along western South America, the Andes stand as the world's longest mountain range. It spans 8900 kilometers along South America's western periphery, is up to 700 ...

Deep in the Andes mountains, the weathered walls of an ancient town poke out from the dried dirt. The ruins were discovered in the northern Argentinian Hualfin Valley by archaeologists in the 1920s, ...

Researchers describe zircons from the Andes mountains of Patagonia. Although the zircons formed when tectonic plates were colliding, they have a chemical signature associated with when the plates were ...

Geographer Jeff Bury is studying the impacts of climate change in Peru. Photo by Jeff Bury. For residents of Peru’s remote villages high in the Andes mountains, climate change is right outside the ...

This image captures the striking landscape of Codo de los Andes, a region defined by steep escarpments, layered rock ...