Aconcagua is the highest peak in both the western and southern hemispheres, and has the second-highest prominence of any peak in the world. This ...

Scientists found new evidence that Earth’s crust is peeling underneath the Sierra Nevada in California. The process might be ...

Just when you have come to terms with the immense list of things to see on the South American mainland, the continent's most ...

In Ricaurte, Colombia, more than 50 people suffer from the most common hereditary intellectual disability on the planet.

Don’t let their lanky appearance and beautiful, soft pink plumage fool you, flamingos are totally metal. They are ...

UNESCO designated 16 new geoparks, bringing the total number of sites in the UNESCO Global Geoparks Network to 229 in 50 countries. The network ...

The plains viscacha looks a lot like a chinchilla, but it's known for building vast tunnels underground and for producing ...

Iran's folded rocks are a colorful formation that is part of the Greater Caucasus mountains, which formed when the Eurasian tectonic plate collided with the Arabian plate millions of years ago.