ESO's Extremely Large Telescope at Cerro Armazones in Chile's Atacama Desert is seen from directly above while its ...

This particular telescope is under construction in the Atacama Desert in northern Chile, one of the darkest places on Earth ...

In Chile's Atacama Desert, the European Southern Observatory is constructing the Extremely Large Telescope (ELT), poised to ...

The ELT is on its way to becoming the largest optical telescope in the world, and as it rises beneath some of the clearest ...

In Chile's Atacama Desert, a new wonder is slowly emerging — the European Southern Observatory's Extremely Large Telescope ...

Beneath Chile’s brilliant skies, the ELT grows—an engineering giant ready to capture the secrets of the universe with the ...

NASA announced on Thursday that it has discovered a massive and odd roaming black hole that once swallowed a star. This ...

The European Southern Observatory (ESO) recently shared new progress photos of the Extremely Large Telescope (ELT), the world's largest visible- and infrared-light telescope. The ELT is currently ...

The massive dome measures 305 feet (93 meters) in diameter, or about the size of a football field and stands 263 feet (80 meters) tall. Construction of the world's largest telescope has reached ...