The origin of the Andes unravelled

Why do the Andes exist? Why is it not a place of lowlands or narrow seas? Wouter Schellart, a geophysicist at the Vrije Universiteit Amsterdam, has been pondering these questions for more than a decade. Now, he has found ...

Chile plans hydropower plant—in desert

Building a $400-million hydroelectric power plant in the world's most arid desert may seem like an engineering debacle, but Chile sees it as a revolutionary way to generate green energy.

When did the Andes mountains form?

The Andes have been a mountain chain for much longer than previously thought, new research from the University of Bristol, UK suggests.

Feds say New England cottontail doesn't need protection

The federal government said Friday that public and private conservation efforts have helped the New England cottontail rebound to the point where it can be taken off the list of species under consideration for protection.

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