SEOUL (Reuters) -North Korea has conducted a test of its underwater nuclear weapons system in a protest against this week's joint military drills by South Korea, the United States and Japan, state ...

DEEP's leaders are hoping to help humans to remain underwater for days at a time without using a submarine A company aiming to "make humans aquatic" has launched its first underwater test mission.

North Korea said Friday it had tested a purported underwater nuclear attack drone in response to a combined naval exercise between South Korea and the United States and Japan this week, as it ...

North Korea said Friday it had tested a nuclear-capable underwater attack drone designed to launch a "radioactive tsunami," as its leader Kim Jong Un vowed to make his rivals "plunge into despair." ...

North Korea said Friday that it had tested an underwater nuclear attack drone in response to a naval exercise by South Korea, the United States and Japan. North Korea’s military said it conducted the ...

SEOUL, South Korea — North Korea has conducted a test of its underwater nuclear weapons system in a protest against this week’s joint military drills by South Korea, the United States and Japan, state ...