Mind-altering substances were all the rage 1,500 years ago, at least among certain elite members of a South American society.
A sandstorm exposes undiscovered geoglyphs near the mysterious Nazca rock lines.
Venezuela's first-known dinosaur provides some of the earliest evidence that at least some dinosaurs lived in herds.
A mysterious mummy that sat in a German collection for over a century was once an Incan woman who was murdered with blunt-force trauma to the head, possibly in a ritual sacrifice, new research suggests.
A series of explosions rocked Ecuador's Tungurahua volcano, prompting the evacuation of hundreds of people from nearby villages.
A NASA Earth Observatory map illustrates that it's been an anomalous winter, indeed.
A bat with a rock-star name builds a speaker out of leaves to amplify and modify its calls.
The water melted from two Andean icefields over the past 12 years was enough to cover the U.S. in 1.2 inches of water.
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