Inside, researchers found nicotine from wild Nicotiana species and vilca, a psychedelic powder derived from the vilca tree.

The Andes Mountains stretch across seven South American countries, giving trekkers a taste of diverse terrains and cultures ...

Located between Chile and Argentina in the southern Andes, Patagonia is home to the largest area of glaciers—including the wettest—in the Southern Hemisphere, second only to Antarctica. “The Southern ...

She said the research found human-induced climate change was warming all of the Andes. "One of the most significant impacts ...