The Russian submarine Novorossiysk, an Improved Kilo-class vessel, has been forced to limp home to the Baltic after a ...

A Russian submarine with nuclear capability has reportedly suffered a “serious accident ” in the Mediterranean Sea. The Novorossiysk, a 242ft Kilo-class submarine, is said to have surfaced above the ...

A missing Indonesian submarine has been found cracked apart on the seabed in waters off Bali, the military said Sunday, as it confirmed that all 53 crew perished in the disaster. Authorities said that ...

In 1963, USS Thresher sank, killing all 129 aboard—sparking decades of speculation. It remains the deadliest submarine ...

The National Transportation Safety Board says faulty engineering led to the implosion of an experimental submersible that ...

The diesel-electric submarine Novorossiysk, belonging to Putin's Black Sea Fleet, has reportedly experienced a serious ...

At the end of September, a Telegram channel known for its network of Russian intelligence sources reported that a Black Sea ...

A Japanese submarine and a private ship were involved in a crash off the Pacific coast on Monday and three of the submarine's crew suffered minor injuries and it was slightly damaged but still able to ...

NATO is closely monitoring a Russian submarine sailing on the surface through the English Channel and the North Sea.