September marks the 50th anniversary of the Global Positioning System, a U.S.-owned free utility that offers positioning, navigation, and timing services to users all over the world. It changed ...

WASHINGTON — The U.S. Space Force selected four companies to develop concepts for smaller, more cost-effective GPS satellites based on commercial designs, aiming to augment the existing Global ...

T HE NAVSTAR GLOBAL POSITIONING SYSTEM, commonly known as GPS, is familiar to many smartphone users as the technology behind the blue location dot on map apps. But GPS, which is operated by the ...