The test of the “Haeil-5-23” system, a name North Korea has given to its nuclear-capable underwater attack drones, was carried out by the defense ministry’s think tank in the waters off its ...

The treaty prohibited nuclear tests in the atmosphere, in outer space and underwater, which were all drastically more harmful ...

North Korea has conducted a test of its underwater nuclear weapons system, known as "Haeil-5-23," in response to joint military drills by South Korea, the United States, and Japan, as reported by ...

The mushroom clouds that reared over the South Australian desert during British nuclear testing in the 1950s will ... “This is the main one, the bomb blowing up at Maralinga,” Bryant says ...

North Korea has tested an underwater nuclear drones system off its east coast. The system is designed to destroy naval strike groups and launch attacks in enemy waters through underwater explosions.