Observatories in Chile’s Atacama Desert, including the world’s largest optical telescope, could be blinded by light pollution ...

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

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

It is known that the M1 alone will consist of 798 glass-ceramic hexagonal segments, each of which is about 5 centimeters ...

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 ...

ESO's Extremely Large Telescope construction at Atacama desert in Chile ...

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

A project expected to bring major changes to humanity's understanding of the universe, the Extremely Large Telescope with a main mirror nearly 40 meters across, is being assembled in Chile's Atacama ...

Astronomers aimed the Very Large Telescope in Chile at a nearby exoplanet and discovered jet stream winds blowing nearly 80 times faster than any seen here on Earth, and the fastest of their kind ever ...