A US nuclear submarine, by contrast, can lurk undetected underwater for months, underscoring American naval supremacy. The sinking shocks India and fellow Indian Ocean nations -- including China -- ...

From hypersonic aircraft to nuclear-powered submarines, many of today's most advanced defense systems rely on a special class of materials known as refractory alloys. This class refers to metals that ...

Follow live updates and the latest news coverage as Iran begins funeral proceedings for Supreme Leader Khamenei, Trump and Israel strike Tehran, and U.S. targets across the Middle East face attacks.

A US submarine sank an Iranian warship off the southern coast of Sri Lanka, US Defense Secretary Pete Hegseth said on Wednesday.

Explosions have sounded sounding in Iran's capital city as the war with the U.S. and Israel enters a fifth day. Iranian state ...

Most refractory alloys currently in service were developed before metal 3D printing existed and are prone to cracking or ...

U.S. Defense Secretary Pete Hegseth says that the United States is winning its military operation against Iran “decisively, ...

Follow live updates and the latest news coverage as the U.S. and Israel strike Iran, Tehran hits back across the Gulf, and ...

U.S. Defense Secretary Pete Hegseth said Wednesday that the United States is winning its war against Iran “decisively, devastatingly and without mercy.” Speaking from the Pentagon’s briefing room, ...

US Defence Secretary Pete Hegseth said an American submarine sank an Iranian warship with a torpedo on Tuesday night - he ...

Senate Republicans rejected a bill to halt the war against Iran in an early show of support for President Trump’s military campaign. The resolution, which failed 47-53, demanded congressional approval ...