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

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

President Trump should allow Seoul to develop nuclear weapons in return for ending America’s security guarantee.

Space-based interceptors and "particle beams" are part of a new multi-billion-dollar Trump order to build a new U.S. missile ...

Instead of insisting that such weapons are necessary to deter potential adversaries, members of the nuclear club should listen to the survivors of the Hiroshima and Nagasaki attacks and their call for ...

Time for Change America's outdated nuclear deterrence policy is hindering the country's missile defense program, constraining ...

North Korean ballistic missiles fired at Ukraine by Russian forces since late December have been far more precise than salvos ...

The increase in accuracy to within 50-100 metres of the intended target suggests North Korea is successfully using the battlefield to test its missile technology, senior Ukrainian sources said.

Earlier in the war, the missiles had an accuracy of 1-3 kilometres, but the most recent had an accuracy of between 50 and 100 ...

The 1968 Non-Proliferation Treaty, with over 190 ratifiers, recognizes five nuclear weapons states: the US, Russia, China, France, and the UK. Four other countries have since joined the club: India, ...

The Treaty on the Non-Proliferation of Nuclear Weapons(NPT) is the cornerstone of the international ... Pakistan and South Sudan. In January 2003, North Korea announced its withdrawal from the Treaty.