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Russian President Vladimir Putin issued explicit nuclear threats to the West, even as he assured Russians their country could both win the war in Ukraine and thrive economically.
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The Pentagon's latest report shows China is on track with its efforts to develop a nuclear arsenal — though their total warheads are still a fraction of that of the US.
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The world's major nuclear powers haven't tested a bomb this century, but experts worry that may be about to change.
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President Biden will be the second sitting U.S. president to visit Hiroshima, Japan, the site of the first atomic attack. He is going there for a meeting with G-7 leaders.
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President Vladimir Putin delivered his remarks to a joint session of Russia's parliament. The annual address was canceled last year when the Kremlin's invasion of Ukraine began to falter.
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The world is closer to catastrophe than it ever has been, the Bulletin of the Atomic Scientists said on Tuesday. The group's experts called out Russia's invasion of Ukraine and other threats.
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Some experts say Kim Jong Un's push to make more nukes and new weapons systems reflects his hopes to solidify future negotiating power as he heads into prolonged tensions with the U.S. and its allies.
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It's not the first time for such a dire warning. Here's a brief look at why Guterres and others are raising the alarm now.
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In a speech marking the 69th anniversary of the Korean War Armistice, Kim said his country is ready to use nuclear weapons in potential military conflicts with the U.S. or South Korea.
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NATO has rejected the no-fly zone idea because it comes with significant risks.