The White House says the U.S. government's early analysis of underground activity in North Korea "is not consistent" with that country's claim of having conducted a successful hydrogen bomb test.

"Such actions are fraught with further aggravation of the situation on the Korean peninsula, which is anyway marked by very high potential of military and political confrontation," said the ministry's ...

The U.S. ambassador to the United Nations is calling on the U.N. Security Council to hold North Korea accountable "by imposing a tough, comprehensive and credible package of new sanctions" in response ...

The Trump administration’s decision to bomb nuclear sites in Iran is largely simplified by the United States’ inability to prevent North Korea from becoming a nuclear state – an effort multiple ...