Kim Jong-un has no intention of giving up his nuclear weapons and sees the upcoming second summit with US President Donald Trump as a chance to cement his country's status as a nuclear weapons state, according to a former North Korean diplomat.

US President Donald Trump has falsely claimed that North Korea agreed to "denuclearisation" before his potential meeting with Kim Jong-un.

US president Donald Trump is leading international efforts to persuade North Korea to give up its nuclear weapons, the US ambassador to Canada has said.

Reducing and eliminating nuclear risks is an existential interest that all countries share, write Des Browne, Wolfgang Ischinger, Igor S Ivanov, and Sam Nunn

Cyber attacks on nuclear weapons systems could lead to the "inadvertent" launch of missiles, a defence think tank has warned.

Donald Trump is ill-informed and living in a "cowboy world" when it comes to the nuclear threat from North Korea, a prominent activist has said.

It is unlikely the volatile US president would limit his power to press a nuclear button, so cabinet members should be authorised to oversee first-strike orders, says John Mecklin

Pope Francis has warned that international relations can no longer be "held captive" by policies of fear and nuclear deterrence, as he urged the world to get behind his vision of a future free from atomic weapons.

The awarding of the 2017 Nobel Peace Prize to the International Campaign to Abolish Nuclear Weapons (ICAN) represents a timely recognition of the urgency of ridding the world of horrific weapons of mass destruction, according to Irish CND.

Nonproliferation expert Bruce G Blair tells Tobin Harshaw of the danger of a ‘nuclear monarch’

LATEST: Boris Johnson has said the regime of Kim Jong Un is responsible for the crisis over North Korea's nuclear programme and must now "fix it".

Guam residents should take cover from a North Korean missile attack quickly, in a concrete structure, preferably underground - and stay there until told otherwise, a survival guide advises.

There has been little else but talk about North Korea’s weapons programme for almost quarter of a century. That may not be true for much longer, says Michael Mandelbaum

Iran's foreign minister has brushed aside new pressure from the United States, declaring that his country is "unmoved by threats" but responds well to respect.

US Defence Secretary Ash Carter has warned that any attack on American allies or use of nuclear weapons by North Korea would be met with an "overwhelming" US response.

The U.S. and China have agreed to work together to prevent further missile tests by North Korea.

World leaders declared progress over safeguarding nuclear materials sought by terrorists, even as President Barack Obama admitted the task was far from finished.

North Korea fired a suspected ballistic missile into the sea, a news report said.

North Korean leader Kim Jong-un has ordered his country's nuclear weapons to be made ready for use at a moment's notice.

Tomorrow is the 70th anniversary of the Hiroshima bombing, which killed 70,000. Geoffrey Roberts looks at how and why we ushered in the age of the megaton bomb.

With enough nuclear weapons in existence to destroy humanity several times over, Hans Blix believes there is still an urgent need for agreements to limit their proliferation 

UN inspectors are in Iran on a long-stalled visit to investigate suspicions that Tehran worked on nuclear weapons – a charge the Islamic Republic denies.

Israeli prime minister Benjamin Netanyahu told Congress yesterday that an emerging agreement between Iran and the US would all but guarantee Tehran gets nuclear weapons and would be a bad deal, drawing a blunt rebuttal from US President Barack Obama.

The United States is “deeply concerned” about North Korea’s nuclear advances, a senior US official said after a US research institute predicted Pyongyang could possess as many as 100 nuclear weapons within five years.