In 1967, U.S. spy satellites captured an impossible image over the Caspian Sea: a 325-foot-long beast skimming the waves at ...

Beached on the western shores of the Caspian Sea, it looks like a colossal aquatic beast -- a bizarre creation more at home in the deep than above the waves. It certainly doesn't look like something ...

Poseidon Aerospace emerges from stealth with its uncrewed seal glider dubbed the Seagull. Inspired by the Soviet Caspian Sea Monster, Seagull uses low-altitude flight to reduce drag. Poseidon plans to ...