Pyongyang's troops have already been fired open in Russia's Kursk region, according to a Ukrainian military official.

Relations between the neighbors have sunk to the lowest level in years. Now, Pyongyang is blaring eerie sounds across the border that villagers say is making their lives hell.

North Korean troops fighting for Russia could affect East Asia's strategic balance, Sang Hun Seok told Newsweek.

Analysts say the low-cost weapons are attractive to Mr. Kim, who is intent on modernizing North Korea’s military.

SEOUL, South Korea (AP) — North Korea ratified a major defense treaty with Russia stipulating mutual military aid, the ...