Stretching like a colossal spine along western South America, the Andes stand as the world's longest mountain range. It spans ...

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.

Satellite imagery uncovered 76 hidden ancient structures in Chile’s Andes, shedding light on sophisticated prehistoric ...

The geologic faults responsible for the rise of the eastern Andes mountains in Colombia became active 25 million years ago—18 million years before the previously accepted start date for the Andes' ...

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 deep-seated ...

Paleontologists may have discovered when plant-eating dinosaurs evolved their long necks after a new species of ...

A nearly complete skeleton of one of the world’s oldest dinosaur species has been unearthed in Argentina. The discovery ...

How did this giant marine reptile end up high in the Andes Mountains? In 1977, a farmer was plowing his field on a plateau high in the Andes mountains when he stumbled upon a giant fossilized skeleton ...

And it's been happening for millions of years. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Earth's crust is dripping "like honey" into our ...

Paleontologists say a newly discovered species from Argentina's high-altitude Andes provides an evolutionary hint to how ...

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 ...