Your smartphone could be broadcasting your location without you knowing it. Find out how this happens and how to keep your ...

Scientists have found a way to make GPS remarkably accurate in city "urban canyons," where navigation has long gone wrong.

Omar Gallaga has covered technology, digital culture and other topics for outlets including CNET, NPR, WIRED, Texas Monthly, MSNBC, Consumer Reports, The Washington Post, the Los Angeles Times, The ...