Paleostress modeling shows how a region of the Andean Plateau was uplifted and formed beginning more than 20 million years ago.

In the forests of the eastern Andes, a gray bird with black “goggles” flies through the trees. Ani Fsc via Unsplash When a bird quickly flies across your view, it can be nearly impossible to ...

Mountains form in a variety of ways, some of which geologists are now just starting to understand.

On Thursday, during a beautiful and otherwise sunny jaunt, hikers in Argentina’s Andes caught a prime example of a stacked lenticular cloud, which appeared to rotate in place like a saucer ...

Hummingbirds are often highly aggressive and territorial, but in the tough terrains of the Andes Mountains, BGSU researchers found a species of hummingbird is living cohesively with its peers.

Earth's crust is dripping "like honey" into our planet's hot interior beneath the Andes mountains, scientists have discovered.

The Polylepis tree sustains the Andes and the Amazon. To preserve these priceless landscapes, a pioneering biologist has planted millions of them.

Formation of the Andes Mountain Range The Andes, the longest continental mountain range in the world, were formed through subduction, a process involving the collision and interaction of tectonic ...

Reuters reports that Peruvian authorities announced the discovery of a major lost ancient city in the country’s Barranca ...

Focusing on the Lake Titicaca Basin in the Andes mountains, anthropologists found through analysis of 1,179 projectile points that the rise of archery technology dates to around 5,000 years ago.