A magnitude 4.1 earthquake in southern Iran has reignited online speculation that Tehran may be conducting underground ...

The United States military has tested its Minuteman lll nuclear ballistic missile at Vandenberg Space Force Base in ...

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 ...

A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...

CHINA has been accused of a massive nuclear expansion as well as carrying out secret tests, as the United States bids to force Beijing to join a future arms control treaty. Washington has claimed ...

The US tested a doomsday ballistic missile off the California coast Tuesday night — as war raged in the Middle East. The ...

Prior to his meeting with China’s President Xi Jinping in Busan, South Korea on October 30, United States President Donald Trump wrote that he has ordered the U.S. military to resume nuclear testing ...

WEST PALM BEACH, Fla. (AP) — New tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions, Energy Secretary Chris Wright said Sunday. It was ...

Energy Secretary Chris Wright revealed the U.S. will not be testing nuclear explosions, putting to rest questions over whether the Trump administration would reverse a decades-old taboo. Testing will ...