Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the Earth, sea, air, and even in orbit. The physics of shock waves, sound, and ...

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 ...

Secretary of War Pete Hegseth’s recent announcement that the U.S. will resume testing nuclear weapons has alarmed some nuclear-arms experts. It shouldn’t. President Trump had already announced earlier ...

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 ...

The State Department’s allegation that China conducted a yield-producing nuclear test in 2020 is reigniting debate in Washington over whether the United States can continue its decades-long moratorium ...

A senior U.S. official offered new details Tuesday night about an alleged nuclear bomb test conducted by China in June 2020. Assistant Secretary of State Christopher Yeaw spoke at a Hudson Institute ...

Earlier this month, the New START treaty, a strategic-arms reduction agreement between Russia and the United States to limit their nuclear arsenal, expired. That accord was the last in a series of ...

The president wants to resume nuclear testing. Senator Edward Markey asks, “Is he a warmonger or just an idiot?’ It would be a mistake of radioactive proportions to resume nuclear testing. None of the ...

VIENNA — 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 nuclear ...

The US said it has intelligence that China conducted banned nuclear explosive tests. The nuclear monitoring organization said it hadn't detected activity related to an explosive test. China is ...