If you have ever peered down a highway on a sunny day, you have probably seen the rising, wavelike ripples of heated air that distort the appearance of objects near the horizon. Similar disturbances ...

University of California, Berkeley, astronomers have taken advantage of a recently mounted laser guide star system at UC’s Lick Observatory to obtain sharp, twinkle-free images of the faint dusty ...

A Chinese satellite has used a small 2-watt laser from 36,000 km above Earth to send data faster than Starlink. This surprising success shows how far space technology has come, using just a weak beam ...