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

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

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

The Pakistan Navy has launched its fourth advanced Hangor-class submarine, named Ghazi, at a ceremony in Wuhan, China ...

The Pakistan Navy expects its first Chinese-designed submarine to enter active service next year, the country's top admiral told Chinese state media, bolstering Beijing's bid to counter regional rival ...

New Delhi says it is adding a new naval warship or submarine every 40 days as a counter to Beijing’s Indian Ocean ...

Under an agreement, four submarines are being built in China and remaining four will be constructed in Pakistan ...

Pakistan's Navy on December 17 launched its fourth Hangor-class submarine, the PNS Ghazi, at the Wuchang Shipbuilding ...

China’s military also sent warships and aircraft during a second day of exercises designed to show its ability to claim the ...

China says the drills are a stern warning to pro-independence forces, but they look a lot like a practice run.

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