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

China has been accused of carrying out secret nuclear testing in 2020 by the ...

It remains to be seen whether the three big nuclear powers are headed into a new arms race, or whether President Trump is trying to spur negotiations on a new accord now that a last Cold War treaty ...

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

President Donald Trump "will decide the path forward on nuclear arms control, which he will clarify on his own timeline," a White House official told Breaking Defense.

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 ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

MOSCOW — Russian President Vladimir Putin ordered officials on Wednesday to submit proposals for a possible resumption of nuclear tests in response to President Donald Trump’s statements last week ...

The Ministry of External Affairs (MEA) on Friday responded to US President Donald Trump’s recent comments suggesting Pakistan was secretly testing nuclear weapons, saying that clandestine and illegal ...