A group that is pioneering underwater sculpture parks as a way to establish human-made coral reefs has deployed its first installation off Miami Beach. Last month, crews lowered 22 life-sized, ...

Poseidon is part of Russia’s line up of “super weapons” meant to gain military parity with the West and it can supposedly drown coastal cities.

President Donald Trump says the United States will share closely held technology to allow South Korea to build a nuclear-powered submarine. Trump made the announcement on social media after meeting ...