This 5,000-year-old tablet is believed to hold the world's first signature — and it's on a receipt for beer. Experts believe ...

How Lockheed’s P-3 kept the Cold War from turning hot. Submarines are hard to kill. For military strategists, no warship ...

A photograph genuinely shows a 2,700-year-old Assyrian deity statue that was discovered in Iraq in 1992, intentionally buried ...