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 ...

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 ...