US-Russia nuclear treaty expires
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The New Start Treaty will expire Thursday, removing limits on the U.S. and Russia's arsenals for the first time in over 50 years.
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China reshaping Central Asia's Russia-dominated nuclear landscape
Haider China is reshaping Central Asia’s nuclear energy sector, challenging Russia’s long-standing dominance in the region. In September 2025, Uzbekistan explored a contingency agreement with China National Nuclear Corporation (CNNC),
China’s top general has been accused of leaking nuclear secrets to the US and accepting bribes as President Xi Jinping purges the country’s senior military leadership. General Zhang Youxi, 75, once considered one of Xi’s most-trusted military allies,
Rubio also said that the venue for talks with Iran is still being worked through, and discussions must address Tehran’s ballistic missiles and nuclear programme.
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Explainer: How the collapse of a US–Russia nuclear pact reshapes China’s role
For more than five decades, the United States and Russia (and before it, the
China’s top general is suspected of passing secret information about the country’s nuclear weapons program to the US, according to a report in the Wall Street Journal, which cited unidentified people familiar with a high-level briefing on the allegations.
Bribery allegations have also been leveled against Gen. Zhang Youxia, whose downfall carries implications for the country’s military readiness.
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China’s most-used nuclear reactor design now rolling out in huge batches
China is no longer just experimenting with advanced nuclear designs, it is standardizing them. The country’s Hualong One reactor, a Generation III pressurized water design, has moved from one-off flagship projects to large-scale deployment as the backbone of new nuclear capacity.