The Amazon was the chic eco-cause of the 1990s, revered as an incomparable storehouse of biodiversity. It's been overshadowed by global warming. Brazil now ranks fourth in the world in carbon emissions, and most of its emissions come from deforestation.

The earliest known gold jewelry made in the Americas has been discovered in southern Peru.The gold necklace,made nearly 4,000 years ago,was found in a burial site near Lake Titicaca.The oldest previously known worked gold was found in highland Peru and>>

Corn has long been known as the primary food crop in prehistoric North and Central America. Now it appears it may have been an important part of the South American diet for much longer than previously thought

Tesla Motors began limited production of their all-electric, zero-emissions sportscar, the Tesla Roadster. It's a car that can go from 0-60 in 5.7 seconds without using a drop of gas, and promises to be the first of a wave of new plug-in electric vehicles

When it comes to versatile vision, the mantis shrimp reigns supreme. Its specialized eyes can pick up several types of light, including infrared and ultraviolet, and its color vision tops ours. Now scientists report that this reef-dwelling crustacean has

A small space rock crashed in the Peruvian Andes last September, smashing scientists' ideas about what objects are capable of producing impact craters.