A major question is emerging over North Korea’s unveiling of what it claims to be an 8,700-ton nuclear-powered strategic ...

North Korea state media photos showed a largely completed nuclear-powered submarine hull as leader Kim Jong Un condemned ...

North Korea displayed apparent progress in the construction of a nuclear-powered submarine, with state media photos showing a ...

Kim Jong Un unveils a new 8,700-ton nuclear-powered submarine, escalating tensions in the Pacific. Learn how this stealth ...

Nuclear-powered submarines should be viewed as an industrial, technology and energy strategy before they are treated as a ...

New photos show North Korea's apparent progress in the development of a nuclear-powered submarine as Kim Jong Un condemns ...

North Korea released new images showing apparent progress on a nuclear-powered submarine as Kim Jong Un criticized South ...

A vessel described by North Korea as its first nuclear-powered submarine is nearing completion while South Korea has plans to ...

A former Navy lieutenant commander and defense industry executive who was indicted for illegally leaking submarine design ...

North Korean leader Kim Jong Un observed construction of a submarine with his daughter, a potential heir, and oversaw the ...

Ukraine claims it has carried out the first successful combat strike by an underwater drone against a submarine, damaging a ...

Russia is developing a new type of nuclear submarine to boost its defenses as it faces sanctions and the fast upgrades of ...