In Chile’s Atacama Desert, scientists are building the Extremely Large Telescope, the biggest optical telescope ever ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Recent progress photos of the European Southern Observatory's (ESO) Extremely Large Telescope ...

I have been writing about the Giant Magellan Telescope for a long time. Nearly two decades ago, for example, I wrote that ...

Construction on the European Southern Observatory's Extremely Large Telescope began in 2014. (G. Vecchia/ESO via SWNS) By Dean Murray The world's largest optical telescope is seen taking shape in an ...

The frame of the dome that will house the world's largest telescope has been completed, marking another key milestone in the observatory's construction. The European Southern Observatory's (ESO) ...

If you think stargazing from your window is impressive, the world’s largest telescope is out here collecting light that’s traveled for eons. The largest telescope in the world is called the Gran ...

TUCSON, Ariz. — The world’s most powerful optical telescope is now operating on southeastern Arizona’s Mount Graham, capturing striking images of objects millions of light years away. The Large ...

The world's largest optical telescope is seen taking shape in an amazing image. The European Southern Observatory's Extremely Large Telescope (ELT) is being constructed on the Cerro Armazones mountain ...