Observatories in Chile’s Atacama Desert, including the world’s largest optical telescope, could be blinded by light pollution and other unwanted side effects from the proposed construction of a renewa ...

The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) — the world's largest visible- and infrared-light ...

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

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

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

A mirror is seen at the site where European Southern Observatory (ESO) is constructing the world's largest optical telescope atop a mountain in Chile's arid Atacama desert, in Chile, January 26, 2025.

European Southern Observatory Director General Xavier Barcons told Space.com that astronomers expect the project to brighten ...

Astronomers sound the alarm as a proposed renewable hydrogen project in Chile threatens to disrupt the pristine night skies ...

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

The frame of the dome that will house the world's largest telescope has been completed, marking another key milestone in the observatory's construction. The European Southern Observatory's (ESO) ...

Dozens of boxes holding mirrors are placed along a remote desert hill in northern Chile as workers make progress in the construction of the Extremely Large Telescope, planned as one of the most ...