In a Looming Nuclear Arms Race, Aging Los Alamos Faces a Major Test

The lab where Oppenheimer developed the atomic bomb is the linchpin in the United States’ effort to modernize its nuclear weapons. Yet the site has contended with contamination incidents, work disruptions and old infrastructure.

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Burevestnik Nuclear Missile Tests Successful, Russia Says

Because of its power source, the Burevestnik can remain airborne far longer than other nuclear-armed missiles.

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Russia Welcomes Trump’s Blessing of Proposal to Extend Caps on Nuclear Weapons

President Trump said a Russian proposal to extend by one year the limits on long-range nuclear weapons sounded “like a good idea to me.”

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Putin Proposes One More Year of Nuclear Caps With U.S.

Mr. Putin said Russia didn’t want to provoke a strategic arms race with the United States.

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How Trump’s Meeting With Putin Could Unfold, as Trump Seeks Cease-Fire in Ukraine

A sudden feud, an impasse or a first step toward a cease-fire are all possible at the summit in Alaska as the two leaders navigate thorny issues such as Ukraine’s territory and NATO expansion.

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Russia Says It Will Stop Abiding By INF Treaty

The United States has accused Russia of violating the pact, which expired in 2019, for more than a decade.

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