In a new study, researchers created the most detailed distribution map to date of butterflies in the American tropics, showing that areas of highest diversity coincide with regions most threatened by ...

developing solutions to today’s environmental challenges. On the windswept slopes of the Andes mountains, rugged forests grow. These exceptionally hardy trees and shrubs, known as Polylepis, have ...

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 ...

How did the Andes -- the world's longest mountain range -- reach its enormous size? This is just one of the geological questions that a new method may be able to answer. With unprecedented precision, ...

Within the Andes Mountains, the San Pedro Hot Springs is a place to press pause and contemplate, which interrupts a transnational highway between Chile and Argentina. Although these natural pools ...

On a clear day, Chile’s towering 5,400-meter El Plomo mountain can be seen from the capital, Santiago. The glacier-capped Andean peak has been climbed and revered for centuries, with the Incas ...

A new study found that Andean tropical glaciers have reached their lowest levels in 11,700 years, with drastic consequences for the Amazon due to the overlap of the two ecosystems. The findings come ...