The beginning of World War 1 was a nightmare of alliances. Three empires - Britain, Russia, and Austria-Hungary - were trying to hold on to their power, and the German Empire had recently come into ...

In a historic deep-sea expedition off the coast of San Diego, researchers have captured stunning, never-before-seen imagery of the U.S. Navy submarine USS F-1, which sank on December 17, 1917, ...

As GPS-spoofing disrupts flights, networks and navigation systems worldwide, governments are accelerating efforts to build new PNT backups to secure critical infrastructure ...