The extraordinary event temporarily shut down equipment at the ALMA Observatory, and the snow reached the telescope's main ...

Residents of the world's driest desert, the Atacama in northern Chile, woke up Thursday to a jaw-dropping spectacle: its ...

Discover why Antarctica no longer has lush forests with giant ferns and how ancient fires fueled intense volcanic activity.

Located in the remote Atacama Desert in Chile, Tierra Atacama reemerges from a year-long renovation to invite visitors back ...

A traffic-control worker watches for vehicles atop a hill on the U.S. side of the border. The cost estimate for the 43 miles of wall in southwestern Arizona is $891 million.

Atacama is a deposit in the Chilean desert, rich in metallic mineral resources (copper, gold, silver and iron, lithium, sodium nitrates and potassium salts). The southern part of the Atacama Salar ...