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

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 ...

Hidden in Chile’s Atacama Desert, the $1.5B Extremely Large Telescope (ELT) nears completion. With a massive 130-ft mirror, ...

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

Astronomers who identified HD 20794 d say its proximity to its host star and orbital pattern suggest it could hold water.

World’s largest telescope dome completed in Chile ELT dome will house massive telescope for groundbreaking research Telescope aims to revolutionize space exploration by 2028 ...

The scientific community is warning about a 3,000-hectare power plant that is jeopardizing the darkness of the skies over the ...