The James Webb Space Telescope is not just a remarkable feat of engineering; it’s a beautiful one too. Take its 18 hexagonal mirrors made from gold-plated beryllium, which inspired YouTube’s Cellar ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It took years of design and engineering toil to successfully get the ...

Through the centuries, the telescope has gone through an incredible evolution to become the tool it is today. In the modern ...

The University of Arizona Steward Observatory Mirror Lab’s casting of the first mirror for the Giant Magellan Telescope (GMT) “appears to be essentially perfect,” UA Steward Observatory Director Peter ...

Inside a massive clean room at NASA’s Goddard Space Flight Center Maryland the James Webb Space Telescope team is steadily installing the largest space telescope mirror ever Unlike other space ...

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 ...