This one-of-a-kind huge telescope will capture the sharpest and best images of space any telescope has ever done.

It’s considered to be the world's largest mirror ever built for an optical telescope at a whopping 39.3 meters in diameter. ESO said the mirror will gather “tens of millions of times” more ...

The world’s largest optical mirror was successfully installed on a support system prototype for the first time to validate ...

“For optical telescopes, you need a site that is high ... re going to go from a couple of something to a statistically large sample of something, and the science impact of what that can do ...

World’s largest optical mirror successfully installed on support system prototype for the first time to validate telescope’s extraordinary performance. Installation of one of GMT’s 8.4-m-diameter ...

Space-based telescopes are remarkable. Their view isn't obscured by the weather in our atmosphere, and so they can capture ...

The primary mirror, M1, is the largest mirror ever made for an optical telescope. “It’s 39m [128ft] in diameter, made up of [798] hexagonal mirror segments, aligned so that it behaves as a ...

Chinese scientists are working to set up the world's largest refracting telescope in Tibet Autonomous ... science and technology Lhasa Wang Junjie said construction for the optical telescope, with a 1 ...

Financial belts are tightening at even the most famous observatories. The biggest new telescopes are being built in the mountains of Chile. The Extremely Large Telescope (ELT) will house a mirror ...

Once blocked from view, the most massive young star cluster in the Milky Way has finally been revealed by the James Webb Space Telescope.