The USS Nautilus was the world's first nuclear-powered submarine. It participated in scientific and military operations ...

Australia’s ambitious plan to acquire nuclear-powered submarines under the AUKUS agreement is now facing serious challenges.

North Korea has unveiled for the first time what it says is a nuclear-powered submarine under construction, a weapons system ...

Although unthinkable just a few weeks ago, a debate is now taking shape on the possibility of calling into question the ...

North Korea could be building a nuclear-powered submarine, possibly with Russian help, raising security concerns for the US ...

“W E WOULD BE safer if we had our own nuclear arsenal,” Donald Tusk, Poland’s prime minister, told his country’s parliament ...

North Korea revealed Saturday it is building a nuclear-powered submarine — a weapon that experts say would be “absolutely ...

SEOUL, South Korea — North Korea unveiled for the first time a nuclear-powered submarine under construction, a weapons system ...

Britain’s Trident nuclear missiles are the backbone of its nuclear force. The problem? Britain doesn’t even own the ...

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

North Korea currently has an estimated 70 to 90 submarines, but most are old and can only launch torpedoes and mines, not ...

Yonhap, a South Korean news agency, said this was the first time Pyongyang had publicly disclosed the construction of such a ...