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The Soviet atomic bomb test that proved Stalin had caught up
After the first Soviet nuclear detonation in 1949, Moscow pushed hard to create a more practical and efficient weapon. The ...
Add Yahoo as a preferred source to see more of our stories on Google. Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, ...
Late last week, the U.S. leveled an explosive claim: China is planning secret nuclear weapons tests and has already conducted at least one. China denied the allegations, but experts are worried that ...
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