The Space Force is targeting $50 to $80 million per satellite — a fraction of the $250 million it costs for just one Lockheed ...

Forty years ago, the United States government made a decision that transformed the modern world: it opened the Global Positioning System (GPS) to civilian use. What began as a military technology ...

The best GPS units offer reliable navigation in even the most off-the-beaten-track areas, including topographical and ...