ESO estimates the complex will leak as much light pollution as a city with a population of about 20,000. Parts of the ...

The ESO is urging AES Andes to relocate the project further away from the Paranal Observatory to preserve the dark skies of the region. "Chile, and in particular Paranal, is a truly special place ...

Dozens of boxes holding mirrors are placed along a remote desert hill in northern Chile as workers make progress in the ...

This complex threatens the pristine skies above ESO's Paranal Observatory in Chile's Atacama Desert, the darkest and clearest of any astronomical observatory in the world. The industrial ...

A brilliant comet waved its tail above the site of the world's largest telescope as it lit up the night sky last month.Comet ...