Nuclear-powered submarines are among the most advanced and secretive weapons ever built, capable of operating underwater for ...

In 1989, the Komsomolets sank off the Norwegian coast. Four years later, the BBC reported on plans to seal in its torpedoes' toxic plutonium.

THE NETS enclosing the inner harbour draw open. A black-finned predator slips out. Minutes later it reaches the open ocean and, with a great exhalation, disappears beneath the tropical waters. Getting ...