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

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

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

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

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 ...

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

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 ...

Recent science updates include Boom Supersonic's XB-1 breaking the sound barrier, progress on the Extremely Large Telescope ...