The U.S. claims China is conducting secret nuclear tests. Here's what that means

The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing ...

US accuses China of secret nuclear test as Trump admin calls for broader nuclear weapons agreement

The United States on Friday accused China of carrying out a secret nuclear test in 2020 as the Trump administration calls for ...

Newly Unbound, Trump Weighs More Nuclear Arms and Underground Tests

It remains to be seen whether the three big nuclear powers are headed into a new arms race, or whether President Trump is ...

Did China test a nuclear weapon in 2020 after Galwan clash? What do experts think?

The US has accused China of secretly carrying out a nuclear test in June 2020, a week after the Galwan Valley clash in which ...

US accuses China of secretive nuclear test as arms-control agreements lapse

Top U.S. nuclear official accuses China of conducting a secret nuclear test in 2020 and confirms plans to restart U.S.
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China conducted secret nuclear tests, US alleges a day after new arms control proposal

China has been accused of carrying out secret nuclear testing in 2020 by the ...

With last nuclear treaty gone, Trump considers expanding arsenal and resuming tests

As New START expires, the administration signals it may deploy more warheads and revisit underground testing, raising questions about whether this is leverage or the start of a new arms race.

China Secretly Testing Nuclear Weapons And Covering Its Tracks, U.S. Alleges (Updated)

The new U.S. accusations about China's nuclear weapons development come at a very turbulent moment for nuclear arms control globally.
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U.S. restarts nuclear diplomacy with Iran amid escalating threats. Here's what to know

The U.S. faced two very different nuclear challenges across two continents Friday. For the first time since last year’s war ...