A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...

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

While China is expanding its nuclear arsenal at a dramatic pace, Russia and the U.S. are also testing new delivery platforms.

A Trump administration official said that a remote seismic station in Kazakhstan measured an “explosion” in western China on ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

Operation Shakti was remembered for the explosions, but it succeeded first as a logistics-and-deception operation run under tight civil-military control in the Rajasthan desert ...

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