North Korea's defense ministry made the remarks a day after the USS Alexandria, a Los Angeles-class attack submarine, arrived at the Busan naval base, some 320 kilometers southeast of Seoul, to ...

Sens. Susan Collins of Maine and Jeanne Shaheen of New Hampshire have asked the U.S. Navy to seek an exemption for Portsmouth ...

Tensions rise on the Korean Peninsula as North Korea condemns the arrival of a US nuclear submarine in Busan, warning of retaliation. What does this mean for regional security?