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 ...

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 on Friday claimed to have tested an underwater drone capable of carrying a nuclear warhead that could create a “radioactive tsunami,” however, analysts urged skepticism noting a lack of ...

NATO is testing new sea drones that can use artificial intelligence to detect suspicious activity near underwater infrastructure. Fourteen members of the NATO alliance, along with Sweden, have teamed ...

SEOUL, April 8 (Reuters) - North Korea has conducted another test of a nuclear-capable underwater attack drone, its state media reported on Saturday, the latest demonstration of its military ...

What was meant to be a fun science test underwater became a hilarious surprise. We tested how a balloon behaves underwater.

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 ...

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 ...