Pacific absolute plate-motion change as obtained from a hotspot reference frame (red; from Wessel and Kroenke (2008)) versus as obtained from RPM analysis (blue; fixed Eurasia plate). Map shows the 30 ...

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 ...

Cotopaxi, one of the highest volcanoes in the world and sacred to Andean people, rises into the sky at an elevation of 19,347 feet. Situated in the Andes Mountains of Ecuador, along the "Avenue of the ...

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 ...

Explore Rainbow Mountain, a striking geological formation located in the high Andes near Cusco, Peru. Also known as Vinicunca ...

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, ...