Learn more about the snowfall that shut down ALMA in the Atacama desert, and how researchers worry this could be a sign of ...

When snow shut down one of Earth’s most advanced telescopes high in Chile’s Atacama Desert, the surprise was not just that ...

Although this controversy might be specific to Chile, home to 40 percent of the world’s astronomy infrastructure, the project reflects the wider tension between natural darkness and industrialization ...

Leading scientists from around the world have called on the Chilean government to protect the dark skies over the Paranal Observatory in the Atacama Desert, which are threatened by a mega construction ...

A satellite photo from July shows intricate snowy stripes painted across the Atacama Desert in Chile. The icy weather temporarily put the Atacama Large Millimeter/submillimeter Array (ALMA) ...

A green energy plant expected to be built in Chile's Atacama Desert could increase night-time sky brightness at one of the world's most valuable astronomical locations by up to 35%, a new study has ...

SANTIAGO, Chile — Chile’s Atacama Desert is one of the darkest spots on Earth, a crown jewel for astronomers who flock to study the origins of the universe in this inhospitable desert along the ...

SANTIAGO, Chile (AP) — Chile’s Atacama Desert is one of the darkest spots on Earth, a crown jewel for astronomers who flock to study the origins of the universe in this inhospitable desert along the ...

FILE - Radio antennas are spread out on the terrain as part of one of the world's largest astronomy projects, the Atacama Large Millimeter/submillimeter Array (ALMA) in Chajnator in the Atacama desert ...