New archaeological evidence reveals that seabird guano—nutrient-rich bird droppings—was not only essential to boosting corn ...

Although being able to predict the date on which the next big earthquake will occur is still some way off becoming a reality, it is now possible to identify the areas where they will occur.

Sediment records from the Andes suggest tropical land where millions live could heat up faster than expected as greenhouse gases rise.

The Andes were formed by tectonic activity whereby Earth is uplifted as one plate (oceanic crust) subducts under another plate (continental crust). To get such a high mountain chain in a subduction ...

This is read by an automated voice. Please report any issues or inconsistencies here. Villagers harvest salt from five-century-old family ponds using an ancient Quechua principle of collective labor ...

SANTIAGO, Chile — It's autumn in South America and in Chile's capital, Santiago, that means great hiking weather in the steep hills above the city. Santiago is vast, more than six million people ...