Refueling a nuclear submarine is a grueling process not only in the time it takes to accomplish but also because of the ...

Submarines have come a long way since their humble beginnings, evolving from rudimentary leather bladders to the cutting-edge ...

Fifth strategic submarine of the Borei-A project enters service as part of Russia’s strengthened nuclear triad ...

A deal for Britain and Australia to build nuclear-powered submarines in Adelaide was due to be inked by the defense ...

Former submarine commander L. David Marquet explains how nuclear-powered submarines work and what life is like aboard one.

A Norwegian P-8A "Poseidon" flew close to Russia's major submarine hubs in the Murmansk region before heading to the ...

The following is the July 14, 2025, Congressional Research Service In Focus report, Navy Next-Generation Attack Submarine ...

Russian President Vladimir Putin has told both President Trump and Iranian officials that he supports the idea of a nuclear deal in which Iran is unable to enrich uranium, sources familiar with those ...

The delay could have an impact on the country's warfighting capabilities and ability to maintain undersea superiority, a new report to Congress says.

Each Ohio-class ballistic missile submarine is capable of carrying up to 20 nuclear-armed ballistic missiles.

A US Navy nuclear-powered attack submarine just made an unprecedented stop. A top admiral says it sent a message.

A US Navy nuclear-powered attack submarine stopped in Iceland for the first time on Wednesday. A top admiral told Business Insider that the unprecedented port call sent a message to American foes.