The prime minister boarded HMS Vanguard, one of the UK's nuclear-armed submarines, which had been at sea more than 200 days, ...

North Korea has conducted a slew of underwater-launched ballistic missile tests since 2016, all from the same 2,000-tonne ...

State media released photos showing what it called “a nuclear-powered strategic guided missile submarine,” as it reported leader Kim Jong Un’s visits to major shipyards.

Submariners have returned from what is believed to be the longest deployment of a nuclear-armed submarine in Royal Navy ...

The study, published last week by Aston University researchers in the journal i-Perception, recreated one of the few solid ...

In 1917, a civil engineer pioneered the first deep-sea vehicle to attempt filming underwater. A century later, we have James ...

In early March 2025, satellite images revealed the presence of five Russian submarines at Zapadnaya Litsa, the largest naval ...

A 2022 satellite photo shows a large plume of discolored water rising from the undersea Kavachi volcano, during an eruption ...

Sky News Investigations Reporter Jonathan Lea has been given rare access to a $5 billion US nuclear submarine that represents ...

Talk of replacing the American nuclear umbrella over Europe with the small British and French nuclear armories is in the air, ...