The Soviet Komsomolets submarine, sunk in 1989, continues to leak radioactive materials into the Norwegian Sea from its ...

In the dead of night, somewhere in the vast expanse of an ocean, one of the most powerful weapons ever created by mankind ...

The Ministry of Defence has awarded a contract for a temporary container-based storage and working facility at HM Naval Base ...

In February 2001, the Japanese training vessel Ehime Maru sank off Hawaii after a U.S. Navy submarine surfaced directly ...

Iranian sailors are recovering in a Sri Lankan hospital after surviving a U.S. submarine attack in the Indian Ocean that killed at least 87 people. Search operations continue for 60 missing ...

History was unmade last year, as engineers began the massive project of ripping the first-ever transoceanic fiber-optic cable from the ocean floor. Just don’t mention sharks.

While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...

The U.S. Navy today possesses the most technologically advanced submarine force in the world. Its nuclear-powered attack submarines and ballistic missile submarines remain unmatched in speed, ...

South Korea wants to join the undersea naval elite – and has received the blessing of US President Donald Trump to do just that. Having Seoul become the seventh country in the world operating ...

Ukraine says underwater drone strike is historic first Russia denies attack caused any damage Attack hits Kilo-class, missile-carrying submarine Vessel was in Russia's Novorossiysk port in Black Sea ...

As it tried to demonstrate its continuing ability to fight, Ukraine said it had used drones to inflict serious damage on a Russian Kilo-class submarine at a Black Sea port. By Maria Varenikova ...