Gates Warns of North Korea Missile Threat to U.S.

Defense Secretary Robert M. Gates said the country was within five years of developing a missile with the potential of hitting Alaska or the West Coast.

South Korea to Hold Artillery Drills on Island

South Korea said on Thursday it will hold artillery drills in the coming days from the island attacked by the North last month.

U.S. Concludes N. Korea Has More Nuclear Sites

American officials say they see signs that North Korea’s nuclear program is more sophisticated than was thought, adding urgency to efforts to contain it.

Opinion: Drawing a Line in the Water

How naval strife in the Yellow Sea could lead to peace in Korea.

South Koreans Guess at the North’s Next Target

After the shelling of Yeonpyeong Island, South Koreans are convinced that the North will strike again.

North Koreans Unveil New Plant for Nuclear Use

North Korea showed an American scientist last week a vast new facility it secretly and rapidly built to enrich uranium.

Seoul Arrests Alleged N. Korean Spy

South Korea said it arrested a North Korean spy who posed as a defector with the aim of assassinating a former member of the North Korean regime.