The Giant Magellan Telescope begins the four-year process to fabricate and polish its seventh and final primary mirror, the last required to complete the telescope’s 368 square meter light collecting ...

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 ...

Astronomers want increasingly large telescopes to peer into the depths of space. To build a solid telescope mirror nearly 30 feet across, you need... The world's largest mirrors for the world's ...

Mirrors are a critical part of any space telescope, and the James Webb Space Telescope’s mirrors are made of a special element that will enable it to withstand the rigors of space and see farther back ...

Researchers have developed a new way to use femtosecond laser pulses to fabricate the high-precision ultrathin mirrors required for high-performance x-ray telescopes. The technique could help improve ...

TUCSON, Ariz. (KGUN) — We have an inside look at part of what makes University of Arizona the most active university in space exploration. UA says its space programs launch 560 Million dollars into ...

Aug. 31—CANTON — A massive 11-foot-wide mirror, created in Canton, is installed at the Vera C. Rubin Observatory in Chile. The mirror will help scientists identify potentially harmful asteroids and ...

A scientist says it may be possible to create low-cost foldable telescope mirrors that are more than twice the size of those onboard the James Webb Space Telescope (JWST), whose giant iconic golden ...

Among the many experiments that crewmembers on the all-private Ax-1 mission will take part in during their one-week stay on the International Space Station is one that could help NASA build larger ...

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 ...