City Council voted unanimously Thursday to outlaw the sale and possession of high-powered laser pointers. Merchants, residents and visitors have 20 days to get rid of the devices before police will ...

NEW YORK -- A 15-year-old boy damaged his eyes while playing with a laser pointer he'd bought over the Internet, say doctors who warn that dangerously high-powered versions are easily available online ...

UA researchers are experimenting with a new type of laser capable of firing high-intensity bursts of light that could one day be used to divert lightning away from buildings. The powerful lasers ...