The European Southern Observatory's Extremely Large Telescope is set to have full scientific operations commencing by ...

Nestled at an altitude of nearly 10,000 feet, atop a mountain in Chile’s Atacama Desert called Cerro Armazones, scientists and engineers are constructing the largest visible light and infrared ...

The Giant Magellan Telescope is under construction in a Chilean desert, one of the best places on Earth to view space Credit: photo via GiantMagellan.Org UT-Austin just took a big step in its process ...

A high-stakes face-off is brewing in the arid deserts of northern Chile, between astronomers building the world’s largest optical telescope and a proposed green energy megaproject from an ...

The Southern African Large Telescope (Salt) near Sutherland is celebrating 20 years of observing the night sky.

HONOLULU Hawaii was chosen Tuesday as the site for the worlds biggest telescope, a device so powerful that it will allow scientists to see some 13 billion light-years away and get a glimpse into the ...

Staff at the European Southern Observatory have a system to clean the La Silla Observatory's delicate mirrors without breaking them. Big telescopes feature some of the finest and most precise mirrors ...

The dome enclosing the world's largest telescope is taking shape, with the installation of protective siding and supports for the primary mirror. The European Southern Observatory's (ESO) Extremely ...

UT-Austin just took a big step in its process of building one of the largest telescopes in the world as the Giant Magellan Telescope is moving into its final design phase to get federal funding ...