Over the weekend North Korea detonated what it called a hydrogen bomb in an underground test. A hydrogen bomb has much more destructive potential than an atomic bomb-indeed, the U.S. Geological Survey ...
Initial test results suggest that an explosion in North Korean was not a hydrogen bomb, as the state government there has claimed, U.S. officials told ABC News. The initial determination of the tests, ...
People walk by a screen showing the news reporting about an earthquake near North Korea's nuclear facility, in Seoul, South Korea, Wednesday, Jan. 6, 2016. South Korean officials detected an ...
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