US Defense Secretary Jim Mattis says the US and South Korea will reduce the scope of a joint military exercise next year.

North Korea has "postponed" a meeting between US Secretary of State Mike Pompeo and North Korean officials, according to the US UN Ambassador.

The US secretary of state reportedly retracts his earlier remark that North Korea has agreed to a goal of giving up its nuclear weapons by the end of US President Donald Trump’s current term in January 2021.

A US-based monitoring group says North Korea is carrying out rapid improvements to a nuclear research facility.

Republican representatives say President Trump deserves the prize for pressuring North Korea into accepting denuclearization.

A senior North Koran official arrives in China after a diplomatic mission in Finland.

South Korean president says there is still a long way to go to denuclearize North Korea.

Russia warns about an escalation of tensions over the North Korean nuclear program after the US toughened pressure against Pyongyang.

Senior US, South Korean and Japanese military officials urge Pyongyang from Hawaii to walk away from the ‘destructive’ path of weapons development.

Israeli and Saudi Arabian officials have welcomed Trump’s decision not to re-certify the 2015 nuclear deal with Iran.