Over 1,500 Risso's dolphins formed a rare super pod off Carmel Bay, California, stunning marine biologists as they stretched for miles, leaping and gliding.

Although the U.S. currently has a larger and vastly superior fleet of nuclear-powered submarines, there is no question Xi’s nuclear submarine construction enterprise is striving to catch up.

NAPLES, Italy — A U.S. Navy submarine spotted earlier this week near Gibraltar made a port visit to the city on Saturday, the service said. The fast-attack submarine USS Indiana arrived in ...

Germany's Thyssenkrupp will build six submarines for the Indian Navy along with its Indian partner. However, the deal is not necessarily a sign that New Delhi will end its defense sector ...

The cutting of a submarine cable outside of the Keelung Harbor earlier this month has led to renewed concerns about Chinese attempts to disrupt telecommunications in Taiwan. The disruption ...

Officers and crew aboard a French nuclear submarine have accidentally blown their cover as well as their location and schedule by recording their runs and jogs on a fitness app. The nuclear ...

Crew members of France's nuclear submarines have inadvertently given away sensitive information about their positions and patrol schedules by sharing their workouts on the fitness app Strava ...

Jan. 14 (UPI) --The U.S. Navy is building four new nuclear submarines to supplement its aging fleet. "Today's submarine force is the most capable force in the world and in the history of the U.S ...

The UK has tracked a Russian spy ship in its waters twice in recent months. In November, a British submarine followed the vessel and surfaced nearby to turn it away. The UK defense secretary said ...

The US military is reportedly considering a tactic that involves deploying a submarine near the Chinese coast to release a large number of drones from under the water. These drones would then form ...

A Royal Navy attack submarine surfaced close to a Russian spy ship off the UK coast in an extraordinary warning to stop spying on British undersea cables, the defence secretary has revealed.