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, ...

Geologists demonstrate the reconstruction of the subduction of the Nazca Ocean plate, the remnants of which are currently found down to 1,500 kilometers, or about 900 miles, below the Earth's surface.

CHAMPAIGN, Ill. — The Andes Mountains are much taller than plate tectonic theories predict they should be, a fact that has puzzled geologists for decades. Mountain-building models tend to focus on the ...

Geophysicists in Australia think they may have solved the long-standing enigma of how the Andes mountain range was formed. Using computer simulations that model the fluid dynamics and mechanics of ...

The Andes Mountains are the longest continuous mountain range in the world, stretching about 7,000 kilometers, or 4,300 miles, along the western coast of South America. The Andean margin, where two ...