This impressive panoramic space wallpaper depicts the Chajnantor Plateau — home of the Atacama Large Millimeter/submillimeter Array (ALMA) — with the majestic Licancabur volcano in the background.

Licancabur is an active stratovolcano on the border of Chile and Bolivia, known for its near-perfect conical shape and the world’s highest crater lake. The volcano is reflected in the nearby Laguna ...

In their search for environments that might mimic extraterrestrial ones, scientists have tended to go deep. Traditional sites for such exploration have been hydrothermal vents at mid-ocean ridges, ...

A "perfect storm" of ozone-destroying chemicals sent cancer-causing UV-B radiation soaring at the top of a South American volcano in 2003, a new study reports. On Dec. 29, 2003, a world-record UV ...

Scientists are to explore the Earth's highest freshwater lake, found in a dormant volcano in the Chilean Andes, to find out how the organisms that live there can survive in such a hostile environment.

Scientists from NASA, the SETI Institute and other organizations are preparing to ascend nearly 4 miles to the summit of a dormant volcano in the Chilean Andes to find out how the organisms that live ...

A "perfect storm" of ozone-destroying chemicals sent cancer-causing UV-B radiation soaring at the top of a South American volcano in 2003, a new study reports. On Dec. 29, 2003, a world-record UV ...