US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...
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U.S. sheds light on its allegation of Chinese nuclear test and urges nations to push for disarmament
Christopher Yeaw, assistant secretary of State for the Bureau of Arms Control and Nonproliferation, spoke to a U.N.-backed ...
Officials have ruled out earthquakes or mining as the source of a 2.75-magnitude event in 2020 near China's nuclear test site.
Scientific knowledge about the damaging effects of nuclear-weapons testing helped to end such tests. Those findings haven’t changed.
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