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 ...

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

The United States federal government is channeling billions of dollars into keeping existing nuclear plants running, restarting shuttered reactors, and clearing the regulatory path for advanced ...

State Department alleges China conducted nuclear test in 2020, reigniting debate over U.S. testing moratorium and international arms control challenges.

Beijing and Moscow build their arsenals while the U.S. restrains itself.

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

A US official says a seismic station in Kazakhstan collected evidence of an alleged China nuclear test at Lop Nur in June 2020.

Officials have ruled out earthquakes or mining as the source of a 2.75-magnitude event in 2020 near China's nuclear test site.

On Oct. 30, 2025, President Donald Trump ordered the United States to resume nuclear weapons testing for the first time since the early 1990s, arguing the move was necessary to keep pace with Russia ...

The New START agreement between the USA and Russia is dead, and there are concerns this will lead to a nuclear-testing resurgence. Simultaneously, China spurns invitations to join a voluntary nuclear ...

The purpose of this e-learning is to help users understand categorization of nuclear material, which forms the basis for a graded approach to protection against the unauthorized removal of nuclear ...

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 ...