The University of Arizona’s Steward Observatory Mirror Lab is pre-firing its huge spinning furnace and inspecting tons of glass for casting a first 8.4-meter (27-foot) diameter mirror for the Giant ...

GREENBELT, Md. – Scientists and engineers have created and successfully tested a set of algorithms and software programs which are designed to enable the 19 individual mirrors comprising NASA’s ...

Engineers commanded the James Webb Space Telescope to unfurl its over 21-foot wide golden mirrors this week, and the crucial test succeeded. The test, shown in the image below, was the last check on ...

The James Webb Space Telescope hit another milestone this week; NASA announced that the $10 billion observatory's 18 hexagonal mirror segments and its secondary mirror have been fully deployed. "Just ...

NASA has reached a milestone in the development of its newest telescope, Roman, set to launch in 2025, with the completion of its primary mirror. To look at into the depths of space, Roman needs a ...

NASA has announced that it hit a massive milestone in getting the James Webb Space Telescope ready for science operations this summer. The telescope's mirrors are now fully aligned, and the ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. NASA's ...

There's a period of time after the Big Bang, when the universe was in its infancy and the very first stars were blinking into existence, that remains one of the most mysterious chapters in the history ...

NASA's James Webb Space Telescope has hit critical development milestones and is nearing final assembly. NASA is confident of its launch timeline, currently set for October 2018. Share on Facebook ...