Solar Cycle 25 has reached its most active phase, bringing stronger solar flares and geomagnetic storms that may affect Earth’s technology.

American families, businesses, and the military rely on the Global Positioning System for advanced positioning, navigation, and timing. When people use navigation apps to drive across town, they ...

Lockheed Martin is stepping up its argument that the U.S. military’s GPS constellation is becoming more resilient, even as military leaders warn publicly about rising jamming and spoofing threats and ...