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

The observatory is a key player for the world's astronomical community. “The fact that the AES Andes industrial megaproject is so close to Paranal represents a critical risk to the most pristine ...

The high-precision observatory consists of four 27-foot ... Thanks to the unique geography of the Andes mountain range, the star-studded night sky above the summit is perfectly clear more than ...