On Monday, the Defense Ministry of Japan reported that four Russian vessels were spotted sailing in waters off the northern ...

The French Rubis-class submarine, Saphir, demonstrated its stealth prowess by sinking the U.S. aircraft carrier USS Theodore ...

The authorities said there was no nuclear risk. Two people with smoke inhalation received treatment at a hospital.

India’s first nuclear-powered submarine, INS Arihant, suffered significant damage in 2018 when a crew member left the rear hatch open, allowing seawater to flood the propulsion compartment.

Police say two people have been hospitalized after a fire broke out at the shipyard that builds Britain’s nuclear-powered ...

"We're really experiencing the outcomes of delaying decisions to recapitalize the nuclear triad that happened over a number of years," said Shelby Oakley.

WASHINGTON--China's newest nuclear-powered attack submarine sank earlier this year, a senior U.S. defense official said on Thursday, a potential embarrassment for Beijing as it seeks to expand its ...

And for those on board the Vanguard-class vessels, patrolling at sea in a nuclear submarine, the challenges are all the greater. Last year, one such British submarine broke the record for the ...

Since then it has been in training. Australia to acquire nuclear submarines through new security alliance Australia's prime minister says it has canceled a contract with France for conventional ...

The USS Growler is the only nuclear missile submarine in the US that's open to the public. Commissioned in 1958, the USS Growler patrolled seas off the coast of Russia during the Cold War.

LONDON — Two people were hospitalized after a fire broke out at the shipyard that builds Britain's nuclear-powered submarines, but there was ''no nuclear risk,'' police said Wednesday.