March 8 - South Korean official delivers Kim's invitation for Trump to visit North Korea; Trump agrees to meet Kim. June 12 - ...

Sept. 3 - North Korea carries out its sixth nuclear test, claiming to have mastered hydrogen bomb technology. Sept. 19 - Trump threatens to "totally destroy" North Korea. Sept. 21 - Kim calls ...

South Korean lawmakers have issued a stark warning - that North Korea could soon test very deadly weapons. Nathaniel Dove looks at what that could mean and the country's deepening involvement with ...

North Korea said Sunday that it had developed a more advanced nuclear bomb with “great destructive power,” releasing photos of Kim Jong Un inspecting what it said was a hydrogen bomb that ...

The Columbia-class ballistic missile submarines, designed to replace the aging Ohio-class, come with a hefty price tag—around ...

With undisguised pride, Los Alamos, N.M., the birthplace of the atomic bomb, announced on Oct. 2 the arrival of a new member ...

In Hiroshima, the atomic bomb leveled and incinerated about 70% of the city ... Kim Jong Un wants to make North Korea a ...

Under Kim, North Korea conducted four of its six nuclear weapons’ tests - including what appears to be its first hydrogen bomb - and developed a series of intercontinental ballistic missiles ...

Two sisters who witnessed H-bomb tests over their Pacific island and are still coming to terms with the fallout.