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 ...

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, ...

The Andes Mountains near Santiago, Chile, reveal a breathtaking winter landscape where snow-covered peaks surround a ...

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 ...