For all its ability to switch to stealth mode and remain unseen for months, refuelling a nuclear submarine is quite a ...

During the Cold War, the United States developed a specialized class of compact submarines designed to quietly track and ...

The debut followed the North’s first test of a new surface-to-air missile and the arrival of a U.S. nuclear-powered attack ...

North Korea's state media released photos Thursday of what it said was the hull of a nuclear submarine. Its leader denounced ...

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

North Korean leader Kim Jong Un has inspected a project to build a nuclear-powered submarine, state-run media reported ...

Kim Jong Un visited a nuclear submarine facility and supervised tests of new anti-air missiles, criticising South Korea’s US-backed submarine plans and calling faster naval nuclearisation an urgent ...

North Korean leader Kim Jong Un has visited a nuclear-powered submarine manufacturing facility and overseen the test launch ...

North Korea on Thursday showcased what it described as the construction site of an 8,700-ton "nuclear-powered strategic ...

In a big flex of its nuclear capabilities, India has tested an intermediate-range ballistic missile launched from a ...