WASHINGTON — 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 ...

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 ...

(CNN) --One of the 18 golden segments of the James Webb Space Telescope's giant mirror was hit by a micrometeoroid in May, according to an update from NASA. But don't worry -- the space observatory is ...

CHICAGO (CBS) -- A new and shiny object arrived in a wooden crate Friday amid the gothic, brutalist, and modern structures of the University of Chicago campus in Hyde Park. The object in question is ...