A massive earthquake and subsequent tsunami off Russia in late July tested an experimental detection system that had deployed ...

WASHINGTON — The U.S. Space Force and Lockheed Martin plan to conduct its first-ever laser communications test from a Global Positioning System (GPS) satellite. If successful, this technology could ...

NASA's new GUARDIAN system successfully detected a tsunami near Russia's Kamchatka Peninsula in near real-time. This ...

A novel method using signals of opportunity from Low Earth Orbit (LEO) satellites is redefining what’s possible in satellite-based navigation. Researchers have developed a joint pseudo-range and ...

WASHINGTON — The U.S. Space Force has ordered two additional Global Positioning System satellites from Lockheed Martin. The $509.7 million contract covers GPS III satellites 21 and 22, which are part ...