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

In a move that sent tremors through the global security landscape, the United States, in February 2026, publicly accused ...

GENEVA, Feb 6 (Reuters) - The United States accused Beijing on Friday of conducting a secret nuclear test in 2020 as it called for a new, broader arms control treaty that would bring in China as well ...

China—the world’s third-largest nuclear power, behind Russia and the United States by number of warheads—is unlikely to increase transparency around its buildup in the new year, following this year’s ...

Late last week, the U.S. leveled an explosive claim: China is planning secret nuclear weapons tests and has already conducted at least one. The undersecretary of state for arms control and ...

At a event in Washington D.C., A U.S. official said a remote earthquake in 2020 was caused by a Chinese nuclear test.

News last week that China had published a white paper on arms control seemed promising, because it raised hopes that Beijing would provide some rationale or plan for its nuclear expansion of the past ...

GENEVA — The United States accused Beijing on Friday of conducting a secret nuclear test in 2020 as it called for a new, broader arms control treaty that would bring in China as well as Russia. The ...

A DF-17 road-mobile medium-range ballistic missile is seen during a military parade in Beijing's Tiananmen Square on September 3, 2025. China may want to develop new nuclear warheads for its ...