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 ...

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 ...

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

"The Large Binocular Telescope Interferometer can be considered the first extremely large telescope, so it's very exciting to prove this is possible," said Jacob Isbell, a postdoctoral research ...

Insights from a new study suggest that the European Extremely Large Telescope (ELT) could offer the best prospects for detecting biosignatures on nearby rocky exoplanets within the next two ...

Very Large Telescope (VLT). VLT, which cost some $350 million to build in the 1990s ($840 million in today's dollars), is one of the world's most sensitive sky-watching instruments, capable of ...