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

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 ...

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 ...

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

Workers in Chile are making progress on the Extremely Large Telescope, planned as one of the most capable astronomical observatories ever assembled. Olivia Zollino reports.

Angel Otarola, an astronomer and member of the light pollution committee of the Chilean Astronomical Society (SOCHIAS), says ...

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 ...