My grandfather J. Robert Oppenheimer shared the first principle of nuclear weapons: The only safety from them is in ...

A small group of US officials were granted exclusive access and documented their closely monitored visits before the joint ...

Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

Iran's Parliament Speaker, Mohammad-Baqer Qalibaf, warned that U.S. military bases and allies in the region would be targeted if the U.S. launched attacks on Iran. His statement follows deadly U.S.

President Donald Trump on Friday warned Iran that “bad things” will happen if the nation refuses to reach a deal on its ...

A minute-by-minute guide on how to survive a nuclear bomb attack, and ways to be prepared for war.

The Trump administration should back away from threats and engage Iran in an effort to bring a diplomatic halt to its nuclear ...

Ayatollah Ali Khamenei, facing pressure from the White House for a new nuclear deal, says any action against Iran will be met ...

British and US nuclear history is irrevocably interwoven. The US and UK cooperated on the Manhattan project, under the 1943 ...

Iran is currently mulling over US President Donald Trump’s offer for talks on a new nuclear deal. Its answer will hinge on ...

The U.S. is the biggest nuclear power in Europe, but doubts about Washington’s commitment have leaders questioning their ...