Stunning photos show bright comet lighting up the dark skies above ESO'sParanal Observatory, future home of the world's ...

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

Workers in Chile are making progress on the Extremely Large Telescope, planned as one of the most capable astronomical ...

Paranal’s facilities, however, should soon be outclassed by ESO’s under-construction $1.5-billion Extremely Large Telescope, or ELT, which boasts a light-gathering primary mirror nearly 40 ...

The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) — the world's largest visible- and infrared-light telescope — is currently under development on the Cerro Armazones mountain ...

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

A: The Extremely Large Telescope is planned to be one of the most capable astronomical observatories ever assembled. The telescope, currently about 60% complete, is intended to search for evidence ...

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

Observations from NASA's Chandra X-ray telescope and the VLT have revealed jets blasting from supermassive black holes cause ...

The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) — the world's largest visible- and infrared-light telescope — is currently under development on the Cerro Armazones ...

The Extremely Large Telescope, under construction in Chile, aims to explore exoplanets for potential life and examine the ...