Windows and mirrors embedded with liquid crystals can hide images that appear only when the right kind of light is shined on them. The technique, inspired by a 4000-year-old trick for building “magic ...

(CNN) --The James Webb Space Telescope has taken one giant step closer in its mission to unlock the mysteries of the universe. The world's premier space observatory has successfully completed a number ...

The James Webb Space Telescope finished the first major stage in its long process of aligning the observatory's 18-segmented primary mirror. A single star that the observatory looked at was ...