The United States on Friday accused China of carrying out a secret nuclear test in 2020 as the Trump administration calls for ...

The US accused China of secret nuclear tests, banned under international agreement, that were building toward tests of larger ...

The new U.S. accusations about China's nuclear weapons development come at a very turbulent moment for nuclear arms control globally.

The Pentagon wants to get troops new weapons faster, but its testing isn't following best practices, according to a new government watchdog report. Current policies have often focused on looking for ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one. “As of today, the ...

Just over a year after the first inert drop of the new Stand-in Attack Weapon, or SiAW, Northrop Grumman announced on Dec. 11 that another separation test had been completed from an F-16 Fighting ...

Senate Democrats want to curb President Donald Trump’s ability to unilaterally resume nuclear testing, as the president suggested the U.S. would do on an "equal basis" with Russia and China moving ...

Nuclear weapons testing has affected every single human on the planet, causing at least four million premature deaths from ...