The mighty telescope is expected to see its "first light" by 2028. The frame of the dome that will house the world's largest telescope has been completed, marking another key milestone in the ...

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 ...

Such a dramatic cut to a flagship space telescope still in its prime will be felt across the mission's entire operations, ...

Webb can see very distant galaxies thanks to its huge primary mirror, which is the largest that has ever been launched into space. Telescopes are often put into space because they can sit above ...

[Andrew] summarizes things quite well: “yes… One of the world’s largest telescopes, 370 tons of steel and glass, was brought to a halt because of a bad indicator LED”. It stopped things by ...

Very Large Telescope (VLT). VLT, which cost some $350 million to build in the 1990s ($840 million in today's dollars), is one of the world's most sensitive sky-watching instruments, capable of ...

An curved arrow pointing right. In 2016, the European Southern Observatory’s Very Large Telescope achieved “first light” on its new optics system, shooting four lasers into the sky for the ...

The Chilean Andes will be the location for the world’s largest telescope: the European Extremely Large Telescope (E-ELT), costing more than €1bn, which will capture the universe's earliest ...

Astronomers are sounding alarm bells as the world's most precious sky-observing location faces a risk of being blinded by light pollution due to a planned renewable energy project. The U.S. energy ...