Thick smog hangs over the Iranian capital. Arne Immanuel Bänsch/dpa Iranian air defence is in action in the Iranian city of Rasht on the Caspian Sea, Iranian media reports said late Wednesday. Small ...

For decades, American intelligence struggled to understand a colossal metal beast racing across the Caspian Sea under cover of darkness. This is the secret history of the Soviet Union’s bizarre ...

In 1967, CIA spies detected a monstrously huge Soviet aircraft parked on the Caspian Coast. Mysteriously labeled “KM”, the top-secret Soviet development appeared to be the largest plane ever built, ...

A U.S. military program that sought to resurrect a secretive Soviet aircraft design has been scrapped, meaning no American successors to a plane dubbed the Caspian Sea Monster are on the horizon ...

At the height of the Cold War in the 1960s, CIA analysts spotted a mystery vehicle being developed on the Caspian coastline of Soviet Russia. The craft was dubbed the “Caspian Sea Monster” and was ...