North Korea appears to have started building a new submarine, which could be nuclear-powered, according to a South Korean ...

BOTTOM LINE UP FRONT — Headlines from North Korea rarely bring good news in the realm of global security, but this week’s ...

North Korea condemned an ongoing U.S.-South Korea joint military exercise Wednesday, saying another incident like Seoul's ...

Pyongyang fired several ballistic missiles into the sea to confront the joint military drills between Seoul and Washington.

As one of the most advanced military assets on the planet, submarines represent a huge financial commitment from any given ...

North Korea has conducted a slew of underwater-launched ballistic missile tests since 2016, but all launches were made from ...

U.S. allies around the world are warming to the idea of developing their own nuclear weapons, the result of a growing sense that U.S. President Donald Trump may abandon key international security ...

U.S. National Security Council spokesman Brian Hughes said that “we’re aware of these claims and do not have additional ...

Mr. Rubio and Trump adviser Elon Musk engaged in a war of words with Polish Foreign Minister Radoslaw Sikorski over the ...

On a day when Ukraine felt the pain of a pause in intelligence sharing from the U.S. in the form of deadly [...] More ...

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North Korea on March 8 released images of leader Kim Jong-un inspecting the construction of what it calls a “nuclear-powered ...