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

The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing are unraveling.

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

Last year, President Donald Trump shocked many people when he instructed the government to resume nuclear testing “on an ...

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 ...

Nevada experiences over 100 minor earthquakes near Tonopah Test Range, sparking speculation of nuclear testing amidst US-Iran tensions.

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 ...

Scientific knowledge about the damaging effects of nuclear-weapons testing helped to end such tests. Those findings haven’t changed.

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

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 ...

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 ...

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 ...