Diesel-powered submarines present a challenge that may seem paradoxical at first. Their engines require ...

If diesel engines need air for combustion, then how can submarines use them? Here's what you need to know about the clever ...

Hai Kun (SS-711), also known as Narwhal, successfully completed its first submerged sea trials on January 29, 2026.

The new submarines of Pakistan use a special technology known as Air Independent Propulsion (AIP). It allows them to be ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist rendering of the future Columbia-class ballistic missile submarines. (U.S. Navy illustration) Leonardo DRS announced the ...

The debate over nuclear-powered submarines is likely to serve as a critical indicator of Japan’s strategic trajectory.

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, ...