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

At the Paranal Observatory, the UT4 telescope doesn't just stargaze—it actively creates its own stars using powerful lasers ...

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

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

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

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 ...

Except for a handful of very large bodies imaged by ground-based telescopes, virtually all exoplanets have been detected only when they briefly dim the light coming from their host stars or when ...

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 ...