The U.S. operates a fleet of more than 50 nuclear-powered fast attack submarines to counter China's naval threat.

Submarine crews are undergoing more arduous training to sail farther from China, and it's taking a toll.

China’s submarine fleet, long noisy and outdated, is getting quieter and deadlier, a new analysis warns, as it closes the gap with the US within the First Island Chain, a string of islands that could ...

National-security officials say Chinese submarines and icebreakers pose a new military threat from the High North.

Chinese submarines travelled underneath Arctic ice this summer in what US officials have warned is an "aggressive" military ...

Russian and Chinese submarines have carried out their first-ever joint patrol in the Asia-Pacific, the Russian navy's Pacific Fleet has said, building on a pattern of increasing military cooperation ...

China’s submarines, missiles and warships are changing the Pakistan Navy and forcing India to fight a two-front battle at sea ...

Dec. 22 (Asia Today) -- China has voiced strong opposition to potential cooperation between South Korea and the United States ...

Pakistan's Navy on December 17 launched its fourth Hangor-class submarine, the PNS Ghazi, at the Wuchang Shipbuilding Industry Group’s Shuangliu Base in Wuhan, marking the completion of construction ...

Seoul wants to join the undersea naval elite – and has received the blessing of US President Donald Trump to do just that.

North Korea's state media released photos Thursday of what it said was the hull of a nuclear submarine. Its leader denounced ...

(CNN) — Russia and China have conducted their first-ever joint submarine patrol in the Pacific, according to reports in state-run media. The patrol by diesel-electric submarines began in early August, ...