The president has said the U.S. will restart nuclear weapons testing, and claimed other powers were already doing the same.

President Donald Trump's comments Thursday suggesting the United States will restart its testing of nuclear weapons upends decades of American policy in regards to the bomb, but come as Washington's ...

President Trump's claim of Pakistan conducting secret nuclear tests reignited long-standing mysteries surrounding its opaque ...

Eighty years after the first detonation of the atomic bomb, the world is once again witnessing the growing salience of nuclear weapons. Increasing geopolitical competition among the nuclear-armed ...

China’s Foreign Ministry has reiterated that the country remains committed to a self-defense-oriented nuclear policy, as Beijing certified two new nuclear test monitoring stations. Robert Floyd, ...

President Donald Trump said Wednesday he had instructed the Defense Department to “immediately” start testing nuclear weapons "on an equal basis" with other nations. “Because of other countries ...