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

The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) — the world's largest visible- and infrared-light telescope — is currently under development on the Cerro Armazones mountain ...

When fully assembled, M1 will be the largest mirror ever built for an optical telescope. RELATED STORIES: — A 'giant' rising in the desert: World's largest telescope comes together (photo) ...

In the middle of the arid Atacama Desert, at an altitude of over 3,000 meters, an immense silver dome is being prepared to house the Extremely Large Telescope (ELT) in 2028. This will be the world's ...

The frame of the dome that will house the world's largest telescope has ... When fully assembled, M1 will be the largest mirror ever built for an optical telescope. The inner frame of ESO's ...

Dozens of boxes holding mirrors are placed along a remote desert hill in northern Chile as workers make progress in the ...

Construction of the world's largest telescope moves forward with ... with the warm glow of the sun rising over the optical telescope. If all goes according to plan, the anticipated development ...

A survey published in 2023 found that among the world's 28 most powerful astronomical observatories, telescopes on Mount Paranal suffered from the lowest levels of artificial light pollution.

Credit: ESO/S. Lowery Once completed toward the end of this decade, ELT will be the world's largest telescope studying the universe in visible light, featuring a 130-foot-wide (39.3m) mirror.

Such an increase would be enough to diminish the Very Large Telescope's status as the world's premier observatory, reducing it to merely an "average" facility. That modest 10-percent spike packs a ...

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 observing the most intriguing ...

Katherine Laliotis is a freelance science writer and Ph.D. candidate in astrophysics. She often covers stories at the intersection of science and society.