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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The US said it has intelligence that China conducted banned nuclear explosive tests. The nuclear monitoring organization said it ...

At least 127 earthquakes have been recorded in a highly restricted region of central Nevada that contains several major US military and nuclear-related facilities. The seismic activity began on ...

Late last week, the U.S. leveled an explosive claim: China is planning secret nuclear weapons tests and has already conducted at least one. China denied the allegations, but experts are worried that ...

VIENNA (AP) — In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear testing, a U.S. government representative defended the stance at a global ...