China’s nuclear weapons development has long concerned the U.S., which has warned that the East Asian power could possess ...

The global salience of nuclear weapons — once expected to diminish after the Cold War — is instead rising sharply. This ...

Democratic U.S. Senator Edward Markey on Tuesday urged President Donald Trump not to resume explosive nuclear weapons testing ...

Russian President Vladimir Putin has directed officials to prepare for potential nuclear weapons tests, a move not seen since the Soviet era. This dir ...

The memo came from Brandon Williams, the head of the National Nuclear Security Agency, which carries out U.S. nuclear tests.

RECA expansion is a victory for those affected by nuclear fallout, but we can't allow the mistakes of the nuclear testing age to be made again.

ASTANA — Community leaders, researchers and practitioners gathered for a roundtable on the humanitarian consequences of ...

The nation conducted its last explosive nuclear test in 1992, after a series of treaties limited testing capabilities.

WASHINGTON, DC – President Donald Trump says Pakistan is among the countries that are testing nuclear weapons. He stated that the US like other nations will test nuclear weapons and stressed that the ...

Nevada's elected officials are concerned that nuclear weapons may again be tested here, after President Donald Trump declared ...

Nearly half of surveyed Americans say they are worried that the U.S. could enter a nuclear war within the next 10 years, according a new survey. The YouGov poll, released Wednesday, found that 46 ...