Through the centuries, the telescope has gone through an incredible evolution to become the tool it is today. In the modern era, these miraculous inventions can be purchased from a variety of stores, ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Keeping a 25-ton (23 metric tons) mirror in perfect condition is a delicate process. For light ...

The European Southern Observatory (ESO) operates some of the most powerful telescopes in the world. Established in 1962 by 16 countries across the globe, the ESO is a hub for astronomers looking to ...

It's a delicate process in which science meets craftsmanship in the Chilean desert. Night after night in the dry air of Chile's Atacama Desert, fine dust and pollutants settle on the aluminum coating ...