Leader Kim Jong Un pledged to pursue "sustained countermeasures," citing security ties between the U.S. and its regional allies.

According to Sergey Ryabkov, "the Western group is trying to turn the non-proliferation treaty into a tool to exert pressure on undesirable states" ...

We have never been this vulnerable, and it may be our last chance to obtain one before it’s too late,” an official was cited ...

Russia is yet to see any positive steps from the new U.S. administration on disarmament, Russia's permanent representative to ...

Ukraine is fighting a war against two nuclear weapons nations: Russia, a signatory of the non-proliferation treaty, and North Korea, which is not.

Mohammad Eslami, head of the Atomic Energy Organization of Iran, said on Wednesday that Iran has never sought to obtain ...

Time for Change America's outdated nuclear deterrence policy is hindering the country's missile defense program, constraining ...

Here’s a look at Iran’s nuclear capabilities. Since 2003, worldwide concern over Iran’s nuclear program has increased as Iran and the International Atomic Energy Agency (IAEA) spar over investigation ...

On Wednesday, Iran's nuclear agency chief Mohammad Eslami insisted that his country remains committed to the nuclear Non-Proliferation Treaty, saying "Iran does not have, and will not have a nuclear ...

President Trump’s blueprints to build a space-based missile defense shield could help him push for cuts in atomic weapons arsenals with Russia and other nuclear powers.

The Iranian foreign ministry's comments come after Trump said he will reimpose the 'maximum pressure' policy on Tehran like ...