Taiwan's first homebuilt conventional submarine completed its first submerged sea trial Thursday, a step in an eight-boat program to deter China.

We examine North Korea’s newly unveiled ballistic missile submarine and cut through the noise surrounding its debut. By ...

Following a disastrous underwater collision, the Connecticut was originally scheduled to complete repairs in 2025—but its return was pushed back to this year, and could be further delayed.

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

In the final weeks of the war, the Navy hunted down and sank five German submarines in the North Atlantic. They stopped what ...

A catastrophic reactor failure left a nuclear submarine on the brink of explosion deep beneath the ocean. With no backup systems and no outside help, the crew faced a crisis that threatened far more ...

China has overtaken Russia to become the world’s second-largest operator of nuclear-powered submarines. Updated force assessments indicate that China now operates an estimated 32 active nuclear ...

Last year, a Russian “shadow fleet” vessel transported two submarine nuclear reactors to an uncertain destination in the Far East—but it never arrived. Rumors abound about the true extent and nature ...

The pressure hulls of U.S. Navy nuclear submarines consist of many steel plates joined by precision manual or robotic welding methods. The long-term integrity of the welded joints are the subject of ...

America's national security relies in part on the U.S. Navy's nuclear-powered submarines, which can operate more than 800 feet below the ocean's surface. At such dark, unforgiving depths, the crew's ...

The United States Navy has the largest fleet of nuclear submarines on the planet, and it just added a new one to the inventory. This new fifth generation submarine is an incredible machine, and it was ...

Jan 6 (Reuters) - Russia has deployed a submarine and other naval vessels to escort an empty, ageing oil tanker that has been trying to evade the U.S. blockade near Venezuela, the Wall Street Journal ...