The U.S. Navy has tapped startup Castelion Corporation with a $49.9 million contract to advance its Blackbeard hypersonic ...

WASHINGTON: President Donald Trump has ignited a firestorm of controversy and confusion with his announcement that the United States will begin nuclear weapons testing. It's unclear whether he was ...

Add Yahoo as a preferred source to see more of our stories on Google. The US Air Force is conducting a routine test of a Minuteman III intercontinental ballistic missile. The last Minuteman III test ...

“The mere suggestion that the US may resume nuclear testing could give the green light to China to resume explosive testing, and the Chinese would benefit comparatively more than anyone else if ...

President Donald Trump announced on Oct. 29 that the United States will "immediately" resume nuclear weapons tests, a move he said is needed to ensure the country keeps up with its rival nuclear ...

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 ...

The United States has not conducted a working test of a nuclear weapon since the early 1990s. That could change. President Donald Trump has repeatedly vowed to restart testing, raising alarms about a ...