Observatories in Chile’s Atacama Desert, including the world’s largest optical telescope, could be blinded by light pollution ...

Giant ground-based reflector telescopes do much of astronomy's heavy lifting, although the U.S.'s largest in Hawaii is not run by who you might think.

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 ...

space telescope resting in the airtight ... clues to the speed of the expansion of the universe, both now and in the past, shedding more light on just what dark energy is and how it works.

The telescope is expected to be the largest optical-infrared facility in the world for decades. The mirrors are ready and awaiting installation. "This is a major challenge," said Tobias Muller ...

A brilliant comet waved its tail above the site of the world's largest telescope as it lit up the night sky last month. Comet C/2024 G3 (ATLAS) soared through the starry skies above the European ...

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 ...