Flagstaff, Ariz. – Lowell Observatory announces completion of the 4.3-meter-diameter (14 ft.) primary mirror blank for the Discovery Channel Telescope by Corning, Inc. After two years in production at ...

When scientists are looking into space, the more they can see, the easier it is to piece together the puzzle of the cosmos. The James Webb Space Telescope’s mirror blanks have now been constructed.

Mike Every knows about grinding glass—and he doesn’t like it. The second-year physics major from Saugerties, N.Y., is an amateur telescope maker with an idea for producing lightweight mirrors out of ...

The European Southern Observatory’s Extremely Large Telescope (ESO’s ELT), under construction in the Chilean Atacama Desert, is one step closer to completion. German company SCHOTT has successfully ...

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 ...

When it comes to telescopes and how powerful they are for looking deep into the cosmos, there are lots of factors to consider. Such as the portion of the electromagnetic spectrum the telescope operate ...