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 ...

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 ...

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

Astronomers are sounding alarm bells as the world's most precious sky-observing location faces a risk of being blinded by ...

Jets blasting from supermassive black holes cause gas to cool and fall toward that cosmic titan in a cosmic feeding process.

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

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 ...

Astronomers are raising concerns about the impact of light pollution from a renewable energy project on the world’s most ...